general hardware reference: changing the sim in a bandit

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Version A, March 2008

Copyright 2008 Encore Networks, Inc.All rights reserved.

Changing the SIM in a BANDIT™ Product’s GSM Card

ireless connections use radiofrequencies (RFs) through airwaves instead of electrical signals through cables. A wireless connection obviates the need to use cables; it also allows free physical movement within the broadcast radius of a wireless access point

(AP)—for example, a cell tower.

Most BANDIT products can support a wireless card that uses Code Division Multiple Access (CDMA) technology or Global System for Mobile Communications (GSM) technology.1 This document discusses replacement of a Subscriber Identity Module (SIM) in a GSM card.

Note: For information on how the BANDIT products use wireless technology, including activation and configuration of wireless cards, see Activating a Wireless Card in a Carrier Network.

B.1 The GSM Card’s Subscriber Identity Module

A GSM card, for connection to wireless networks that use the GSM technology, supports a removable SIM (also known as a GSM smartcard) to identify the user to the GSM network. When you order your BANDIT’s wireless card, you specify which carrier and network it will use. This specification also indicates a SIM that has the selected GSM carrier’s chip.

The BANDIT is not a traveling device, so you will not need SIMs for different countries. However, if you change GSM providers, the GSM card will need a SIM from the new provider. To change the SIM, use the following procedure.

How to Install or Replace the SIM in a BANDIT Product’s GSM Card

Note: If you are replacing the entire wireless card, do not use this document; instead, see Changing the Card in a BANDIT™ Product’s Expansion Slot.

1. All BANDIT chassis that use wireless cards can support the following technologies: • CDMA• GSM using General Packet Radio Service (GPRS GSM)

The BANDIT II and the BANDIT III can also support the following technologies: • CDMA Evolution, Data Optimized (EVDO) • GSM using Enhanced Data Rates for GSM Evolution (EDGE GSM)

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Home Module: General Hardware ReferenceDocument B

B-2 General Hardware Reference, Document B

Warning: Follow all precautions against electrostatic discharge (ESD) when removing or installing modules in a BANDIT device. (For example, wear an ESD wrist-strap to protect the unit from ESD.) Allow only qualified service personnel to install and maintain this equipment. See Basic Safety Guidelines.

To prevent electrical shock, do not power on the equipment until all cables are connected.

Caution: After you replace the SIM, you must activate the GSM card in the carrier network.

1 Unplug the BANDIT device’s power supply from the power source.

2 Disconnect all network connections.

3 If this is a BANDIT Plus chassis with a cable to a Remote Data Unit (RDU), disconnect that cable from the BANDIT Plus chassis.

4 If this is a BANDIT Plus chassis, loosen the retaining screws holding the chassis to the equipment rack, and remove the chassis from the rack.

5 Place the chassis on a flat, stable surface.

6 Do the following:

a Remove the screws from the bottom of the chassis. (There are four screws on the bottom of a VSR-30, original BANDIT, BANDIT III, or BANDIT IP chassis. There are six screws along the bottom of a BANDIT Plus chassis.)

b If this is a BANDIT Plus, remove the screws along the top of the chassis.

7 Do one of the following:

a Lift the top off the VSR-30, original BANDIT, or BANDIT IP chassis (Figure B-1).

b Lift the top off the BANDIT III chassis (Figure B-2).

Note: The BANDIT III uses a daughterboard only if the chassis has an Internal Data Unit (IDU)— four DB25 serial ports along the top of the backplate. For information on the BANDIT III chassis, see the BANDIT III™ Hardware Description.

c Slide the front faceplate and chassis bottom of the BANDIT Plus forward, out of the chassis frame (Figure B-3).

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Changing the SIM in a BANDIT™ Product’s GSM Card B-3

Figure B-1. Lifting the Top Off the Original BANDIT, Bandit IP, or VSR-30 Chassis

Figure B-2. Lifting the Top Off the BANDIT III Chassis


Figure B-3. Sliding the Front Faceplate and Chassis Bottom of the BANDIT Plus Forward

8 If this is a BANDIT III, lift the motherboard-and-daughterboard assembly out of the chassis base (Figure B-4). Set the assembly on a stable work area. (The motherboard is the lower card in the assembly. The daughterboard, if present, is the upper card in the assembly.)

Figure B-4. Lifting the Motherboard–Daughterboard Assembly out of the BANDIT III Chassis Base


9 Do one of the following:

a On BANDIT devices other than the BANDIT III, locate the SIM socket on the top of the GSM wireless card (Figure B-5). It should have a SIM in it. Continue to Step 10.

Caution: Leave the GSM card in place, and leave all of its connections in place. There is no need to move it.

Figure B-5. GSM Wireless Card (in a Chassis’s Expansion Slot)

b If this is a BANDIT III, turn the motherboard–daughterboard assembly over. The SIM sockets used for GSM cards are on the underside of the BANDIT III’s motherboard (Figure B-6).

Note: On the underside of the BANDIT III motherboard, the SIM socket closer to the BANDIT III’s expansion slot is used for a GSM wireless card (if any) in the expansion slot. The other SIM socket is used for the BANDIT III’s internal wireless card (if that card uses GSM technology).

Each SIM socket on the underside of the BANDIT III motherboard should hold a SIM if there is a GSM wireless card in the corresponding position in the BANDIT III chassis.

In a BANDIT III, the SIM socket on the top of each GSM wireless card should be empty; that SIM socket is not used.

Caution: There is no need to look at a GSM card in the BANDIT III unless you are replacing that card. Each wireless card in a BANDIT III is attached to the motherboard and can be reached only by disassembling the motherboard–daughterboard assembly. Do not disassemble that assembly unless you are replacing a card in the expansion slot.

If you do need to replace a card, see Changing the Card in a BANDIT™ Product’s Expansion Slot.

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Figure B-6. Underside of BANDIT III Motherboard, Viewed from Backplate of Chassis

10 Note that the SIM socket has a latch to unlock or lock its door. The latch should be in the locked position (Figure B-7). For the SIM socket, do the following:

Figure B-7. Empty SIM Socket (Top View), with Latch in Locked Position

a Slide the metal latch toward the end of the SIM socket’s door (Figure B-8). You might hear a slight click when it unlatches (Figure B-9).

OPEN

LOCK

When the SIM-holder's door is locked, the flanges of the lock are under the catches.


Figure B-8. Unlocking the SIM Socket’s Door

Figure B-9. Unlocked SIM Socket

b Swing the hinged door up (Figure B-10), so that the SIM socket is open (Figure B-11 and Figure B-12). The door can swing open 180° (Figure B-13 and Figure B-14), to provide easy access.

Figure B-10. Opening the SIM Socket’s Door (Side View)

OPEN

LOCK


Figure B-11. Partially Opened Empty SIM Socket (Side View)

Figure B-12. Partially Opened Empty SIM Socket (Top View)

Figure B-13. Fully Opened Empty SIM Socket (Side View)

Figure B-14. Fully Opened Empty SIM Socket (Top View)

c If a SIM from a former GSM provider is in the door, slide it out (Figure B-15). (Use care not to touch the contact pad.) Put the old SIM into an anti-static bag.


Figure B-15. Sliding an Old SIM out of the SIM Socket

d Open the package holding the new SIM. Hold the new SIM by its edges and take it out of the package. (Figure B-16).

Note: The SIM has a notch out of one corner, to fit into the beveled corner of the SIM socket. The SIM will fit into the socket in only one way.

Figure B-16. Example of SIM, Front

Caution: Be careful not to touch the contact pad on the back of the SIM (Figure B-17).

Figure B-17. Example of SIM, Back

e Make sure the SIM’s contact pad will face the contacts in the bottom plate of the SIM socket when the door is closed. Then slide the new SIM into the door (Figure B-18 through Figure B-20). (The door has guides to hold the card in place.)

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Figure B-18. Inserting the New SIM into the SIM Socket’s Door

Figure B-19. SIM Partially Inserted into the SIM Socket’s Door

Figure B-20. SIM Fully Inserted into the SIM Socket’s Door

f Gently swing the door shut (Figure B-21 through Figure B-23).


Figure B-21. Closing the SIM Socket, at about 45° Rotation (Side View)

Figure B-22. Closing the SIM Socket, at about 135° Rotation (Top View)

Figure B-23. Closed SIM Socket with New SIM (Side View, Door Not Yet Locked)

Caution: The SIM fits into the SIM socket in only one way. When you gently swing the door shut, you will see whether the notched corner of the SIM fits into the socket’s beveled corner.

If the SIM is not in the correct position, its notched corner will not match the beveled corner in the SIM socket, and the door will not close (Figure B-24 and Figure B-25). In that case, remove the SIM and replace it in the correct position (Figure B-26).

Figure B-24. SIM in Incorrect Position (Side View)

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Figure B-25. SIM in Incorrect Position (Top View)

Figure B-26. SIM in the Correct Position (Top View)

g When the SIM is correctly positioned and the SIM socket’s door is fully closed, slide the metal lock toward the center of the door (Figure B-27) until it stops (Figure B-28).

Figure B-27. Locking the SIM Socket’s Door (Top View)

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OPEN

LOCK


Figure B-28. Locked SIM Socket with New SIM (Top View)

11 For the BANDIT III: Turn the motherboard–daughterboard assembly rightside up, and place the assembly onto the bottom of the chassis.

Note: Do not use the chassis top. The chassis bottom has rubber feet (Figure B-29).

Figure B-29. Bottom of BANDIT III Chassis

Note: The front and back bays of the BANDIT III chassis bottom are the same. The motherboard–daughterboard assembly will fit into the chassis bottom regardless of the bay that you choose as the front.

12 For any BANDIT device, do one of the following:

a Place the top back onto the VSR-30, original BANDIT, BANDIT III, or BANDIT IP chassis.

Note: The top of the chassis will fit in only one direction. One side has a tongue and the other side has a groove, to fit the groove and tongue on the corresponding sides of the bottom of the chassis.

b Slide the BANDIT Plus chassis back together.

13 If this is a BANDIT Plus, tighten the screws on the top of the chassis.

14 For all BANDIT devices, tighten the screws on the bottom of the chassis.


15 If this is a BANDIT Plus, mount it back into its rack.

16 If you had disconnected the BANDIT chassis’s grounding wire, reconnect it to the chassis.

17 If this is a BANDIT Plus that uses an RDU, reconnect its cable to the RDU.

18 Reconnect the BANDIT device’s network connections.

19 Reconnect the device’s power supply.

❖ The device powers up.

20 Open the BANDIT device’s ELIOS™ software, and use the initialization stream provided by the GSM carrier to reactivate the wireless card in the carrier network.

Note: Follow the procedure for your GSM carrier in Activating a Wireless Card in a Carrier Network.

21 After you have activated the card, save (Write) the configuration and Reset the BANDIT device.

general hardware reference: changing the sim in a bandit

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