Nortel Networks BCM1000 manual DIP switches, DIP switch positions on the modules

36 Chapter 2 Telephony hardware

Warning: Media bay module wire shorts

The wires that connect the media bay module daughter board to the module can become pinched between the module and the BCM1000 media bay if you insert the modules off the straight or with too much force. This will cause a short in the equipment and could stop the Business Communications Manager from restarting.

Note: Some of the new modules, such as the DECT module, do not have this wiring configuration. However, inserting the module carefully and correctly is still important to securely connect the power connector on the module to the backplane of the media bay.

DIP switches

The six DIP switches that you use to set the DS30 bus blocks and offsets are found either on the bottom of the module or on the rear, behind the power connector. Figure 14 shows the possible locations of the DIP switches on the modules.

For more information about setting DIP switches, refer to Chapter 8, “Installing media bay modules,” on page 107.

Figure 14 DIP switch positions on the modules

Underside of module

DIP switches

Top of module

Rear of module

The Global Analog Trunk Module (GATM), introduced in BCM 3.5, and the (Global) Analog Station Module (ASM8+), introduced with BCM 3.6, have a second set of DIP switches that can be set to a specific country setting to set to allow automatic firmware upgrades to the module, based on the country profile chosen for the system during startup.

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