To Connect An Expansion Unit - Nortel BCM50 3.0 Installation And Maintenance Manual

If your BCM50 system does not have an expansion unit, proceed to
on page 106.

To connect an expansion unit

Note: Keycodes are required for the expansion ports to function. If you purchase a
keycode for one expansion port only, expansion/LAN port 2 (on the left) is active.
1 Locate the expansion cable supplied with the expansion unit.
If have no expansion cable, you can use a shielded category 5e-compliant Ethernet cable
(maximum length of 10 m).
2
Plug one end of the expansion cable into the expansion port on the expansion unit.
3 Perform one of the following tasks (see the figure
BCM50 main unit
• To connect the first expansion unit: Plug the other end of the expansion cable into
expansion/LAN port 2 on the main unit. This expansion unit is now designated as
Expansion 1 in Element Manager.
• To connect the second expansion unit: Plug the other end of the expansion cable into
expansion/LAN port 3 on the main unit. This expansion unit is now designated as
Expansion 2 in Element Manager.
Note: When you plug an expansion unit into the correct port on the main unit, the
LEDs on the expansion unit port light, while the LEDs on the main unit port turn
off.
Figure 50 Connecting the expansion unit to the BCM50 main unit
Expansion unit 1
Chapter 9 Connecting the cables to the BCM50 system
on page 105):
Main unit
Buses 5/6 Buses 7/8
Connecting the power supply
Connecting the expansion unit to the
Expansion unit 2
Installation and Maintenance Guide
105