4-2-1 retrofit procedure for 256

8/12/2019 4-2-1 Retrofit Procedure for 256

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C-DOT 256P RAX

S/W REL. V4-2-1RETROFIT PROCEDURE

FOR256P RAX


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Table of Contents

Chapter1. Introduction ..............................................................................................................................51.1. General............................................................................................................................5

Chapter 2. Retrofit from V2-1-1 to V4-2-1 .................................................................................................62.1. New Features in c-dot 256p-rax Software Version 4-2-1.............................................62.2. Field Problems solved in V4-2-1 w.r.t. V2-1-1 ..............................................................72.3. Software Changes in V 4-2-1 w.r.t V2-1-1 ....................................................................72.4. Steps in Retrofit Procedure ...........................................................................................92.5. feature details, hardware changes and new commands ............................................11

Appendix-A Comparison List of EPROM Checksums for Different Ver. (V1.04,1.04P,1.05, 2-1-

1 & 4-2-1).................................................................................................................................30Annexure I Procedure for Mounting of Components on RAP Card for Network

Synchronisation ......................................................................................................................32

H:\Home\RAX\WORD\RXRETPRO.DOC February 26, 2001


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S/W REL. V4-2-1 RETROFIT PROCEDURE FOR 256P RAX 5

Chapter 1.

Introduction

1.1. GENERAL

This document provides the detailed procedure for retrofit of 256P RAX Software

V4-2-1 in the field. It is divided into two chapters : Chapter 2 gives the details of

upgrading a V 2-1-1 system to V 4-2-1.

It has the following sections:

Enhancements : All new features/enhancements w.r.t previous software

release i.e. V2-1-1 are listed and described in this section.

Field Problems solved in this version w.rt. V2-1-1

Software changes : This section gives details of the S/W to be changed for

upgrading to V4-2-1 along with guidelines for identifying & changing EPROMs

on various cards.

Retrofit Procedure : This section gives a step by step guideline for upgrading a

working V 2-1-1 system to V4-2-1.

Feature Details & Hardware changes : This section gives details of all the newfeatures and new or modified commands introduced with respect to previous

version for each feature.

A comparison list of checksums for all 256P RAX software releases is provided for

reference in Appendix-I along with list of devices needed for retrofit of V4-2-1 on a

V2-1-1 site.


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6 C-DOT 256P RAX

Chapter 2.

Retrofit from V2-1-1 to V4-2-1

2.1. NEW FEATURES IN C-DOT 256P-RAX SOFTWARE VERSION 4-2-1

1. Provision of selecting external clock for network synchronization.

2. Support for more number of PCM links (i.e. Maximum upto 5).

3. Support for charging on INMARSAT calls.

4. CLIP facility to subscribers.

5. Printout of STD/ISD subscribers.

6. Uniform access restrictions through admin commands and subscriber control

activation.

7. Support for collect calls.

8. System threshold violation report for TAX routes based on charge units for a

call.

9. Provision to maintain system time to be used during system initialization.

10. Provision for controlling access to group dialing routes from CCB non home-

metered subscribers (i.e. Local PCOs).

11. Flexibility of adding upto eight routes for which detailed call record should be

generated in addition to 0, 00 and 90 calls, although subscriber has facility

of DCR long-distance calls.

12. Provision of 14 routes on TAX direction.

13. Provision to check super user password for change from simplex active to

duplex active.

14. Provision to define meter threshold for individual subscribers for purpose of

call budgeting.

15. Provision of maintaining a counter for number of times system is powered on


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RETROFIT FROM V2-1-1 TO V4-2-1


16. Provision to restrict current access level of a subscriber to local call only,

whenever subscriber, controlled outgoing restriction facility is enabled for the

subscriber

17. Deletion of command used for defining type of port (i.e.

I/C, O/G OR B/W).

2.2. FIELD PROBLEMS SOLVED IN V4-2-1 W.R.T. V2-1-1

1. No seizure on MF Digital Trunks although all trunks are free.

2. CLI not available in case of RAX acting as transit for TAX calls on ROD=1

3. Call not passing through in case of RAX acting as transit for calls originated

from C-DOT MAX with ROD=1.

2.3. SOFTWARE CHANGES IN V 4-2-1 W.R.T V2-1-1

The following table (3-1) gives details of software/firmware changes in V 4-2-1 with

respect to V 2-1-1. The corresponding EPROMs should be updated accordingly.

2.3.1. Software Details

Sl.

No.

Card

Type

Card Part Code Programmed Device

Part Code

EPROM

TYPE

Version Position Checksum

1. RSC APC-RSC314/F-S01 PRX-RSC421SW-U47

PRX-RSC421SW-U46

27C010

27C010

4-2-1

4-2-1

U47

U46

E7D2

BA35

2. RAP APC-RAP3--/T-S03 PRX-RAP421SW-U21

PRX-RAP421SW-U22

27C512

27C512

4-2-1

4-2-1

U21

U22

1AD4

9CAD

3. MOC APC-MOC319/T-003 PRX-MOC421SW-U26

PRX-MOC421SW-U27

27C010

27C010

4-2-1

4-2-1

U26

U27

C972

78B4

4. RMF APC-RMF325/T-S01 PRX-RMF421SW-U36 27C256 4-2-1 U36 8B02

Note : NVRAMs at position U11, U18, U19 & U20 of RAP cards should not be

changed

2.3.2. EPROM Identification

Each EPROM of the new set is identified by a label on it which shows


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Chapter 2.

8 C-DOT 256P RAX

1. Card Identification

2. Version No. of S/W

3. Circuit reference code (Position of EPROM on PCB)

A typical label is shown below in Fig. 2.1. This EPROM should be inserted atposition U22 in RAP card.

Card

PRX-RAP421SW-U22

EPROM position

Version of S/W

Fig. 2.1

2.3.3. Dos & Donts While Changing EPROMs

Dos

1. Jack out the card from RAX Cabinet

2. Put the card on a clean flat surface.

3. Using tweezer or small screw driver lift the PROM from its location, say

U22.

4. Pull EPROMs slightly from one end and then slightly from the other end

to avoid bending of pins of the EPROMs.

5. Now, select the EPROM with sticker displaying position U22 and keep its

notch in the same direction in which the notch of the base

6. Now carefully place it on the IC base meant for it and press it gently, so

that all its pins are inserted properly into the base.

7. Ensure that no pin of the EPROM is bending outwards or inwards.

8. Repeat this procedure for the other EPROMs on all cards.


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8/31

Chapter 2.

10 C-DOT 256P RAX

Card Type No. of EPROMs to be changed

RMF 1

Replace RMF cards in slot 10 and 17 of master frame and jack in .

Step 5 Jack out all RSC cards (active/passive /out of service). Replace EPROMs

with those of version 4-2-1 .as per section 2.3.1. Replace cards in masterand slave frame and jack them in .


RSC 2

Step 6 Jack out passive /Out of service RAP card. Replace its EPROMs with

V4-2-1 EPROMs and replace it in master frame BUT DO NOT JACK IN.


RAP 2

Step 7 Jack out active RAP . Replace its EPROMs with those of V4-2-1 and jack

in the card.

Step 8 Switch power ON, and wait till system comes up as simplex active.

1) Take meter printouts and verify that there is no abnormality with

respect to pre -retrofit readings .

2) Make outgoing and I/C calls to and from connected exchanges to

verify proper functioning of the exchange.

Step 9 Login as super user, insert passive RAP, and reset it. Recovery will start

now and system will come to duplex active.

Step 10 Check all cards for healthy status. Give command for copy changeover &

verify proper working in other copy also.

Note :A field exchange may be in one of the following states :

1) Duplex active

2) Simplex, with duplicate copy cards present and healthy but out of service

i.e. not jacked in (this may be due to faulty/missing PROMs in one of the

cards).

3) Simplex with duplicate copy cards missing or faulty.

For state 1 and 2, follow all the above steps to bring system to Duplex active.

For state 3, follow steps 1 to 9 so that all available cards are updated with

latest s/w version and can be used later when repaired cards arrive to bring

system to Duplex.


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2.5. FEATURE DETAILS, HARDWARE CHANGES AND NEW COMMANDS

2.5.1. Provision of Selecting External Clock for Network Synchronization

2.5.1.1. Feature Details

To support Internet connectivity at high speeds there is a need to synchronizeRAX to the network. For this purpose new hardware has been introduced in

256P-RAX. This new hardware is RNS card (RAX NETWORK

SYNCHRONISATION CARD APC-RNS892/T-S00). RNS card can extract

clock from the reference PCM link (E1 link) coming from network,

synchronize with it, and give synchronized output to RAP card. In case PCM

Link is down, it will then supply its own freerun clock, which is better than

RAX Clock.

2.5.1.2. Hardware Requirements

1. Additional components should be mounted on RAP card as per ECN14112A list of these components is given in the table below :

S. No. Component

Ref. Code (CGY)

C-DOT Part Code Description Qty.

1. R21 (A) ERF-K001.200-111 1.2K W 5% MFR 1

2. R35, R40 (A) ERF-E100.000-111 100E W 5% MFR 2

3. RN2 (A) ERN-10470 XXX-120 47E 1/8 W 5% 10 Pin 5

RES ISO SIP NW

1

4. C63 (A) ECC-K00100.0-R10 0.1 MF, 12V - 20% to +

80% CER CAP

1

5. U59 (A) EUI-L0002632-000 Quad Differential

Receiver

1

Please refer Annexure I for a procedure for mounting of these components.

2. RAX Network Synchronization Card (EPC-RNS892/T-S00) 01 no.

3. RNS Digital Trunk Cable (ACB-RNSXDTRX-000) 01 no.

4. RNS 8 MHz Clock and Sync copy 0 cable (ACB-RNSCKSC0-000) 01 no.

5. RNS 8 MHz Clock and Sync copy 1 cable (ACB-RNSCKSC1-000) 01 no.

Note:

1. RNS card can be equipped in any vacant slot

2. For connection details refer to the table below


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Chapter 2.

12 C-DOT 256P RAX

Connection DetailsS.

No.

Cable Part Code

DescriptionSource Destination

1. ACB-RNSXDTRX-000

RNS Digital TrunkCable

Rx Pair of Digital Trunk RNS Card

Connector APosition 1

2. ACB-RNSCKSCO-000

RNS 8 MHz Clock andSync C0 o/p Cable

RNS Card

Position 2 Connector A

RAP Card Copy 0

13 A Position 3

13 B Position 3

c a

x 1 x

x 2 x

x 3 x

x 4 x

x 5 x

x 6 x

x 7 x

Twisted Pair

Cable

(120 Grey)

D

T

N

S

Rx+

Rx-

c a

x 1 x

x 2 x

x 3 x

x 4 x

x 5 x

x 6 x

x 7 x

c b a

x x x 1

x x x 2

x x x 3

x x x 4

x x x 5

x x x 6

x x x 7

S

Y

N

0

c b a

x x x 1

x x x 2

x x x 3

x x x 4

x x x 5

x x x 6

x x x 7

C

K

C

0

C

L

K

0


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Connection DetailsS.

No.

Cable Part Code

DescriptionSource Destination

3. ACB-RNSCKSC1-000

RNS 8 MHz Clock and

Sync C1 o/p Cable

RNS Card

Position 3 Connector A

RAP Card Copy 1

14 A Position 3

14 B Position 3

c a

x 1 x

x 2 x

x 3 x

x 4 x

x 5 x

x 6 x

x 7 x

c b a

x x x 1

x x x 2

x x x 3

x x x 4

x x x 5

x x x 6

x x x 7

S

Y

N

1

c b a

x x x 1x x x 2

x x x 3

x x x 4

x x x 5

x x x 6

x x x 7

C

K

C

1

CL

K

1

2.5.1.3. MMI Commands for selection of External Clock

KEY OPERATION MESSAGE DISPLAYED ONTHE MAINTENANCE PANEL

REMARKS

, , System clock or NW clock or

NW clock down

Status of the clock

System clock? or NW clock? Change the selection of the

clock

2.5.2. Support for more PCM links (i.e. Maximum 5)


RAX can now support a maximum of five PCM links (E1 links). A new card is

introduced to support this feature. This new card is RAX WLL

CONTROLLER (RWC) card. Each RWC card can support upto two E1 links.

These cards can be equipped in slave frame only in slot 10 and 17. These

can be configured for one PCM link (RWC DT30) or two PCM links (RWC 2x

DT30).


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Chapter 2.

14 C-DOT 256P RAX

If RWC is configured for only one E1 link then

(a) RWC equipped and jacked in slot 10 occupies 32 time slots (slot 7 to

10)

(b) RWC equipped and jacked in slot 17 occupies 32 time slots (slot 17 to

20)

If RWC is configured for two E1 links (as RWC2xDT30) then

(a) RWC equipped and jacked in slot 10 occupies 64 time slots (slot 3 to

10)

(b) RWC equipped and jacked in slot 17 occupies 64 time slots (slot 17 to

24)

Note: ECN 14103 is required to be done on the motherboard as per details

given below:

S.

No.

Signal Name Signal

Origination

Card Name

From slot

No./Pin No.

To Slot No. /

Pin No.

Remarks

1. C0-32-D-A-E LCC 21/Ba11 17/Aa20 DT2 Voice I/P

To RWC at

Slot 17

2. C1-32-D-A-E LCC 21/Bc11 17/Aa21 DT2 Voice I/P

To RWC atSlot 17

3. C0-32-A-D-E RWC 21/Bc22 17/Ac20 DT2 Voice O/P

From RWC at

Slot 17

4. C1-32-A-D-E RWC 21/Ba22 17/Ac21 DT2 Voice O/P

From RWC at

Slot 17

5. C0-32-D-A-E LCC 6/Ba11 10/Aa20 DT2 Voice I/Pto RWC at Slot

10

6. C1-32-D-A-E LCC 6/Bc11 10/Aa11 DT2 Voice I/P

to RWC at Slot

10


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S.

No.

Signal Name Signal

Origination

Card Name

From slot

No./Pin No.

To Slot No. /

Pin No.

Remarks

7. C0-32-A-D-E RWC 6/Bc22 10/Ac20 DT2 Voice O/P

from RWC atSlot 10

8. C1-32-A-D-E RWC 6/Ba22 10/Ac21 DT2 Voice O/P

from RWC at

Slot 10

2.5.2.2. MMI Commands for RWC Configuration and testing

2.5.2.2.1. Card Configuration for RWC Card

KEY

OPERATION

MESSAGE DISPLAYED ON

THE MAINTENANCE PANEL

REMARKS

System configuration? System configuration administration

invoked.

Card Configuratn change? Enter to change or display card

type by entering frame and slot no. is

invoked.

Frame no. - : Slot no. - : Enter frame and slot number. Valid

frame number is 02 ie.slave frame.Valid slots are 10 & 17.

F02 S10 LCC Slot 10 of frame 02 is already

configured as line card. (Line card is

the default value). Press key

to change.

Connected Ports get deleted

(Y/N)?

Press Yes key to go ahead.

F.02

S.10 RWC DT30 TI?

If RWC 10 (S) is to be configured as

DT30 (Note 1)

F.02

S.10 RWC DT 30 TI

Frame no. 02, slot no. 10 is configured

as RWC DT30 TI.

Note 1:

Possible values are DT30 TI, DT30 T2, DT30 T3, 2XDT30


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Chapter 2.

16 C-DOT 256P RAX

2.5.2.2.2. Configuration Change of RWC2XDT30

KEY OPERATION MESSAGE DISPLAYED ON


REMARKS

Auxillary configuration? Auxillary configuration

administration invoked

RWC2XDT30DT type cnfg chng. Enter to change or

display DT type of RWC

2XDT30.

Frame no. Slot no. --- Enter frame no. and slot no.

(valid frame number is 02)

i.e. slave frame. Valid slot

numbers are 10 & 17.

RWC2XDT30 not configured

Or

F.02 S.10 RW C2XDT30 DT1T1

Frame 02 slot 10 is not

configured as 2XDT30. Use

commandto configure it as 2XDT30

Or

DT1 of frame 02 slot 10 is

configured as DT30 Type 1

F.02 S.10 RWC2XDT30 DT1T2 Enter to configure DT1

of frame 02 slot 10 as

RWCXDT30 Type 2

F.02 S.10RWC2XDT30 DT1T2 DT1 of frame 02 slot 10 i.e.

RWC2 is configured as

RWC2XDT30 Type 2 (see

note 1)

F.02 S.10RWC2XDT30 DT1T1 DT1 of frame 02 slot 10 is

RWC2XDT30 Type 1

F02S10RWC2XDT30 DT2 T1 DT2 of frame 02 slot 10 is

configured as Type 1 (see

note 2)

Note 1: Possible values are DT1 T1, DT1 T2 and DT1 T3

Note2: Using key DT2 can be configured for type 1, type 2or type 3.


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2.5.2.2.3. Dynamic Status of RWC DT

KEY OPERATION MESSAGE DISPLAYED ON


REMARKS

Maintenance? Maintenance mode invoked.

Dynamic status Display Dynamic status display invoked.

DT Status-RWC10(S)/RWC17(S) RWC10(S)/RWC17(S)-DT Link

block/release status invoked.

Press for RWC1

Press for RWC2

RWC10(S) : DT1-No DT fault

Or

RWC10(S) : DT1 FAS failure

Or

RWC10(s) : DT1 loss of sync.

It will show the status of DT1 link of RWC

10(S)

2.5.2.2.4. Block/Release of DTs RWC10 (S) and RWC17 (S)

KEY OPERATION MESSAGE DISPLAYED ON THE

MAINTENANCE PANEL

REMARKS

Maintenance? Maintenance mode invoked.

Dynamic status display Dynamic status display invoked

RWC10(S) /

RWC17(S)-DT Blk/Release

RWC10 (S)/RWC17 (S)-DT Link

block/release status invokedPress 1 for RWC1

Press 2 for RWC2

RWC10(S)-DT1 blocked

Or

RWC 10 (S)-DT1 released

By default, DT is unblocked when

configured initially.

Press for release and for block.

RWC10(S)-DT2 blocked or

RWC10(S)-DT2 released

displays the DT2 link status

RWC10(S)-Calls cut-block DT2? If RWC10(S)-DT2 was in released state,it can be blocked by entering

RWC10(S)-DT2 blocked

(or) RWC10(S)-DT2 released Status remains unchanged.


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Chapter 2.

18 C-DOT 256P RAX

2.5.2.2.5. Test for RWC Card


MAINTENANCE PANEL

REMARKS

Terminal test?

Diagnostics

RTC/CNF/RWC10(S)/RWC17(S)

RTC diagnostics or CNF diagnostics or

RWC diagnostics. Enter

1 for RTC

2 for CNF

3 for RWC10 (S)

4 for RWC17(S)

RWC10(S) DT1/DT2 RWC 10(S) is selected.

Press 1 for RWC 10 (S) DT1

2 for RWC 10 (S) DT2

RWC 10(S) DT1 RWC 10 (S)-DT1 selected for

diagnostics.

RWC diagnostics over Message for Test Over will be

displayed after few seconds.

2.5.2.2.6. Display of RWC Card Test Results


MAINTENANCE PANEL

REMARKS

Terminal test? Diagnostics result display selected.

Tst Rslt

RTC/CNF/RWC10(S)/RWC17(S)

Here key to be pressed is:

1. RTC diag. Result display

2. For CNF diag. Result display3. For RWC10(S) diag. Result

display

4. For RWC17(S) diag. Result

display

RWC10(S)-DT1/DT2 1. for DT1

2. for DT2

RWC10(S)DT1 Pass Possible diag. Results are as follows:

Card Absent

Mntc Busy

Diag. Aborted SW0

PassFail : Relay loop back

Fail : Relay+PCM loop back

Fail : Diag. Time out


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2.5.3. Support for charging on INMARSAT calls


INMARSAT calls i.e. 00871, 00872 etc. can be charged as per applicable pulse

rates of 150ms or 260 ms with some limitations. Minimum charging possible

for these type of calls is in unit of 100ms or multiple thereof. These pulsescan not be transmitted over the trunks to the preceding exchange, hence

charging can be done for RAX subscribers only.

For 150 ms pulse rate, charging will be done at the rate of 2 pulses at every

300ms. For 260 ms pulse charging will be done at the rate of 5 pulses at every

1300ms.

2.5.3.2. Steps to be followed for creation and charging of INMARSAT routes

1. Create all required INMARSAT Routes with PRIM TAX option as No.

2. Define charge pulses (i.e. number of pulses along with charge period in

hundred of milliseconds) for these routes. e.g. For 150 ms Pulse rate

the charge period is 03 and pulse is 2

3. CRI defined for these routes should not be D, E or F

4. Define all other route parameters for this route number alongwith

required Trunk Group where these calls are to be sent

2.5.3.3. MMI Commands for creation and charging data of INMARSAT routes

2.5.3.3.1. Defining INMARSAT Route as RISD Route


MAINTENANCE PANEL

REMARKS

Auxillary Configurations?

Defining Reg. STD/RISD

parameters

Defining RISD parameters

Direction 0#01 Route no. 01

or

Direction 0#01 not present

Route no. 1 is defined in TAX direction

or

No route present in TAX direction

Direction 0#01 RISD Rt Cd length For defining RISD route code length

Direction#01 RISD RtCd? Define 5 digit (INMARSAT) RISD route

code i.e. 00871


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Chapter 2.

20 C-DOT 256P RAX


MAINTENANCE PANEL

REMARKS

Or

Direction 0#01 RISDRt Cd00871

Prime TAX

Or

Direction 0#01 Route no._

Route defined for primary TAX

Or

Enter route no. for this RISD route code Direction 0#01 RISDRtCd 00871

Rtno. 02

Route 02 added for RISD Rtcd

Are you sure of deletion? If already defined route is to be deleted

Direction 0#01 not present

2.5.3.2.2 Defining Meter Increment at Every Pulse for INMARSAT Routes


MAINTENANCE PANEL

REMARKS

Auxiliary Configurations?

No route no. present No. INMARSAT route is defined.

Route No. ? = Enter route no. of INMARSAT route

Pulse Rate -- : Meter Count. --- Enter Pulse Rate & no. of meter

increment, required at each pulse

Route 02 Pulse 03 :

Met Count 02

or

Route closed

Displays 2 no. of meter increment at

every 300 ms for route 02

or

If route is not defined as RISD route,

define using command

2.5.4. CLIP facility to subscribers

2.5.4.1. Feature details:

Support for calling line identification presentation (CLIP), in form of DTMF

tones sent to the CLIP instrument attached to the subscribers telephone is

provided in this software. For this purpose ECN is to be done on LCC/CCM

card for required subscriber port.

2.5.4.2. MMI Command for CLIP


MAINTENANCE PANEL

REMARKS


19/31




MAINTENANCE PANEL

REMARKS

Sub dir no. ? = - - - Subscriber Administration invoked.

Enter subscriber directory number

Sub dir no. 222 F02:S19:T08 -

Sub dir no. 222 facility type ?- Facility selection invoked.

Sub. dir. No. 222 CLIP barred CLIP facility for this subscriber is

barred.

Sub. dirno. 222 CLIP allowed ? - Should CLIP be allowed for this

subscriber

Sub. dir no. 222 CLIP allowed Subscriber directory no. 222 has been

given CLIP facility

Note:The hardware modification should be done on the LCC or CCM card as perECN no 12280, as in case of C-DOT MAX Exchanges

2.5.5. Printout of List of Regional STD/STD/ISD Subscribers


Provision for taking printout of subscribers having STD facility, Regional

STD facility or ISD facility individually has been added in this release.

2.5.5.2. MMI Commands for Printouts

2.5.5.2.1. Printout of List of STD and Regional STD Subscribers


MAINTENANCE PANEL

REMARKS

Records Printout? Records print out selected.

HWEquip/STD-ISD Print out List of printouts available.

PO for list of STD/ISD subscribe STD/ISD subscriber printout

option invoked

PO for list of STD subscribers Printout of list of STD and

Regional STD subscribers

2.5.5.2.2. Printout of List of ISD Subscribers


MAINTENANCE PANEL

REMARKS


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Chapter 2.

22 C-DOT 256P RAX

Records Printout? Records print out selected.

HW Equip/STD-ISD Print out List of printouts available.

PO for list of STD/ISD subscribe STD/ISD subscriber printout

option invoked

PO for list of ISD subscribers Printout of list of ISD subscribers

2.5.6. Uniform access restrictions through admin commands and

Subscriber control activation


All subscriber access levels i.e. special services, local, regional STD, STD and

ISD can now be enabled in any required combination through MMI

commands. For this purpose Special Service is divided into two categories i.e.

Special Service Emergency only and Special Service All calls. If a subscriberhas Special Service Emergency only facility, then he can dial only Level 1

Emergency Service calls. If he has Special Service All calls, then he can dial

all level 1 calls. This change provides an admin equivalent for certain

combinations, which could be defined through dynamic OG restriction feature

from subscriber, but not through MMI commands in earlier release.

2.5.6.2. Modification in MMI Commands

There are changes in the MMI commands for programming `Special Service

allowed/barred for a subscriber. The new MMI command is as follows :


MAINTENANCE PANEL

REMARKS

Sub dir-no.? = ------ Subscriber administration

invoked. Enter subscriber

Directory no.

Sub Dir-no.230 F01:S19:T08

Sub Dir-no. 230 Service type? Service type invoked.

Sub Dir-no. 230 Spl-Ser Barred Special Service Barred

Sub Dir-no. 230 Spl-Ser All? Whether all types of specialservice are to be allowed for

subscriber 230

Sub Dir-no. 230 Spl-Ser Barred Current Special Service Option

Barred retained for dir. No. 230

Sub Dir-no. 230 Spl-Ser All?


21/31




MAINTENANCE PANEL

REMARKS

Sub Dir-no. 230 Spl-Ser All `Special service All option. (In

this option all level 1 calls will be

allowed)

Sub Dir-no.231 Spl-Ser Emrgn? Whether `Special service

Emergency option is to be

selected for this subscriber

Sub Dir-no. 230 Spl-ser Emrgn `Special Service Emergency

option (In this option only

Emergency Service will be

allowed)

Note :Special service all/emergency refers to subscribers access to special services

like trunk booking, enquiry, police, Fire etc. In case of special service barred

for subscriber, NUT (Number Unobtainable tone) will be fed whenever thesubscriber dials 1 as first digit.

2.5.7. Support for collect calls


Subscribers having outgoing access up to local only can now access Collect

Calls i.e. 000 calls

2.5.7.2. MMI For Collect calls

No new MMI is added for this feature

2.5.8. System threshold violation report for TAX routes based on charge

units for a call


It is possible to define a threshold for TAX calls. Whenever this threshold is

crossed during a TAX call an alarm in the form of threshold violation report

is generated on printer. If call is originated from the same RAX, the calling

subscriber number is printed but if RAX is acting as transit for TAX calls

then only I/C junction port number is printed to identify the exchange from

which call is originated. There is one threshold value for the whole system.

2.5.8.2. MMI Commands for Definition of TAX Threshold


MAINTENANCE PANEL

REMARKS


22/31

Chapter 2.

24 C-DOT 256P RAX

Auxillary configurations

Invalid TAX threshold

or

TAX threshold = XXXX

TAX threshold not defined

or

TAX threshold is defined as

XXXX

TAX threshold? = - - - - If not already defined, define the

value

TAX threshold = XXXX TAX threshold is defined as

XXXX

Are your sure of deletion? Do you want to delete

Invalid TAX threshold TAX threshold not defined

2.5.9. Provision to maintain system time to be used during system

initialization


RAX stores current time every 10 secs in the System NVRAMs. If due to any

reason system is reinitialized, the system will be restored with the last time

stored in the NVRAM. This time will be very close to current time in case of

transient faults.

2.5.9.2. MMI Commands for system time storage

No new MMI is added for this feature

2.5.10. Provision for controlling access to group dialling routes from CCB

non home-metered subscribers (i.e. Local PCOs)


CCB Non Home-Metered subscribers (i.e. Local PCOs) can be barred for

accessing any or all group dialling routes. This is not applicable to CCB

Home-Metered subscribers i.e. STD PCOs.


23/31



2.5.10.2. MMI Commands for controlling access


MAINTENANCE PANEL

REMARKS

Route no? = -- Route administration invoked.

Route no. 01 choice 1 TGP 01 --

Route no. 01 invalid option

or

Route no. 01 nonhmmt CCB brd

or

Route no. 01 nonhmmt CCB ald

If route defined for special

service /TAX analysis directions

or

This route is barred to CCB non

home metered subscriber.

or

This route is allowed for CCB

non home metered subscriber.


24/31

Chapter 2.

26 C-DOT 256P RAX

2.5.11.2. MMI Commands for addition or deletion of routes for DCR purpose


MAINTENANCE PANEL

REMARKS

Auxillary configurations? Auxillary handler invoked

DCR route table # 1 is not defined

or

DCR route table#1 route no. 01

Route no. is not defined at this

index or entry no. in DCR table

Route no. 01 is defined in DCR

table

Enter DCR table # x (index) route no.- Route no. can be added to table

only if its not defined before.


or

DCR route table # X (index) route no.

01

Route cant be added, since its

already defined. Or

Route no. 01 is added in DCR

table as entry no. X..

(AUX) Auxillary configurations? Auxillary handler invoked

DCR route table # 1 is not defined

or


Route no. is not defined at this

index or entry no. in DCR table

Route no. 01 is defined.

Are you sure of delection? Press Yes for deletion.

Note

1. Maximum of 8 indices are possible i.e. 8 route nos. can be added to this

table.

2. The DCRs will be generated for the route nos. defined in this table

alongwith RegSTD/STD/ISD DCRs, if DCR option selected is lng-dst-

call

2.5.12. Provision of 14 routes on TAX direction


On TAX direction it is now possible to open 14 different routes including

INMARSAT routes and one TAX route to be defined as Primary TAX route.(In previous versions only eight routes were possible). This does not include

Regional STD routes.


25/31



2.5.12.2. MMI Commands for TAX direction routes

No new command is added for this purpose. While adding routes to TAX

direction, user is now allowed to add 14 routes (instead of 8 routes as in

previous releases).

2.5.13. Provision to check super user password for change from simplexactive to duplex active


For bringing the system from simplex active to duplex active the exchange

administrator should first login as super user and then jack in the passive

copy cards and give reset to OOS RAP. (This check is not applicable if system

is powered on with both copy cards jacked in). This facility is there to prevent

misuse.

2.5.13.2. MMI Commands for simplex to duplex

No new command is added for this purpose.

2.5.14. Provision to define meter threshold for individual subscribers for

purpose of call budgeting


Meter threshold can be defined for individual subscriber. Whenever this

meter threshold is crossed the ongoing call will be disconnected and

subscriber will not be able to make fresh calls until the threshold isincreased. The announcement facility not available will be fed to subscriber.

The value of threshold to be defined is Current Bulk Meter Value + No. of

units to be allowed. This facility can be of use in case of pre-paid type of

subscribers.

2.5.14.2. MMI Commands for subscriber Meter Threshold


MAINTENANCE PANEL

REMARKS

Sub dir no. ? = - - - Subscriber Administration

invoked. Enter subscriberdirectory number

Sub dir no. 222 F02:S19:T08 - -

Sub dir no. 222 facility type ? - Facility selection invoked

Sub 222 Blg. Threshold is not Defin.

Or

Billing threshold not defined for

sub. dir. No. 222 or


26/31

Chapter 2.

28 C-DOT 256P RAX


MAINTENANCE PANEL

REMARKS

Or

Sub 222 Blg threshold XXXXXXXX

Billing threshold for sub dir no.

222 is defined as XXXXXXXXX

Enter blg threshold = - - - - - - - - Billing threshold value definition

is invoked, enter the value in 8

digits e.g., for value 89342 enter

00089342


27/31




MAINTENANCE PANEL

REMARKS

No. of Time RAX powered on = XXXX No. of times the RAX is powered

on is shown.

No. of COS Modifications = XXXX

2.5.16. Provision to restrict current access level of a subscriber to local call

only, whenever subscriber controlled outgoing restriction facility is

enabled for the subscriber


Whenever a subscriber is granted dynamic outgoing restriction facility, the

current access level of subscriber is set to local allowed only. Subscriber has

to first register the password and then he can open the required access level.

2.5.16.2. MMI Commands for restriction of current access level.

No new command is added for this purpose.

2.5.17. Deletion of command used for defining type of port

(i.e. I/C, O/G or B/W)


There is no need to configure the ports as O/G, I/C or B/W in case of TWT

trunks or Digital trunks. Added ports take the characteristics of TGP where

they are added. This facility already exists for E&M ports in old versions.


28/31

30 C-DOT 256P RAX

Appendix-A

Comparison List Of EPROM Checksumsfor Different Ver. (V1.04,1.04P,1.05, 2-1-1

& 4-2-1)

I. LIST OF EPROM CHECKSUMS FOR DIFFERENT VERSIONS

Checksum

Card Type Component1.04 1.04P 1.05 2-1-1 4-2-1

RSC U47

U46

41EF

869D

A56E

587D

C139

0D04

3ED7

7B5D

E7D2

BA35

RAP U21

U22

CB7F

0ACF

0AB9

099D

0AB9

099D

90ED

E411

1AD4

9CAD

MOC U26

U27

8FF4

7BBC

8FF4

7BBC

5961

FB0A

B7D1

1ED9

C972

78B4

RTC U5 7A1E 7A1E AC51 A8DE A8DE

RMF U36

U10

U11

U17

U18

204B

104C

1739

1739

104C

204B

104C

1739

1739

104C

2F12

433F

17CC

17CC

433F

0792

433F

17CC

17CC

433F

8B02

433F

17CC

17CC

433F

RAT U13

U7

U8

U9

F115

E3F0

4BD4

0F6F

F115

E3F0

4BD4

0F6F

F109

A9FB

769C

E202

F109

A9FB

769C

E202

F109

A9FB

769C

E202


29/31

COMPARISON LIST OF EPROM CHECKSUMS FOR DIFFERENT VER. (V1.04,1.04P,1.05, 2-1-1 & 4-2-1)


Checksum

Card Type Component

1.04 1.04P 1.05 2-1-1 4-2-1

U10

U11

U12

U19

U20

U21

U27

U28

U29

U36

U37

U39

U40

A9F8

290A

-

82F6

EE60

-

B843

298F

-

7510

-

81A0

-

A9F8

290A

-

82F6

EE60

-

B843

298F

-

7510

-

81A0

-

A3CC

E077

1616

A087

8B6C

CF15

2DCB

558F

8F13

6BAD

F964

5D48

3060

A3CC

E077

1616

A087

8B6C

CF15

2DCB

558F

8F13

6BAD

F964

5D48

3060

A3CC

E077

1616

A087

8B6C

CF15

2DCB

558F

8F13

6BAD

F964

5D48

3060

II. LIST OF EPROMS TO BE CHANGED FOR RETROFIT OF V4-2-1 OVER

V2-1-1

EPROM type Number required for

Duplex System

Number Required for

Simplex System

27C010 10 6

27C512 4 2

27C256 2 2 (If both RMFs are present)


30/31

32 C-DOT 256P RAX

Annexure I

Procedure for Mounting of Componentson RAP Card for Network

Synchronisation

Please refer Fig-1 for a layout for mounting of these components. Since no

components were previously mounted at these positions the corresponding

Plated Through Hole (PTH) on the PCB will be filled with solder.

These PTH have to be first cleared using a desoldering pump and soldering

iron. Care should be taken not to damage the PTH and the associated tracks

on the PCB.

Cut the excess leads of the resistances to be mounted at R21, R35, R40 and

capacitance to be mounted at C63.

Now mount these components and solder them one by one. Care should be

taken to mount the IC U59 and resistance network RN2 with proper polarity.

Clean the PCB where these components are mounted with Isopropyl Alcohol.


31/31

PROCEDURE FOR MOUNTING OF COMPONENTS ON RAP CARD FOR NETWORK SYNCHRONISATION

FIG.1

LAYOUTFORMOUN

TINGOFCOMPONENTS

ONRAPCARD

REV.EUROFEMALE

CONNECTORS

CARDEJECTORS

VIEWF

ROMCOMPONENTSIDE

PCB

U67

U56

U45

U57

U58

U59

C63

RN2

R40

R35

R21

Y2

NOT

E:1)NEWC

OMPONENTSTOBEMOUNTED

AREC63,U59,RN2,R21,R35&R40

2)THECOMPONENTSY2,U45,U56,U67

,U57&U58INDICATEDWITHDOTTEDLINE

AREALREADYEXISTINGONTHEPCB

\DESIGN\256RX-RP\2RP-PCB

4-2-1 retrofit procedure for 256

Documents