Nortel Networks BCM1000 Benutzerhandbuch
Chapter 2 Telephony hardware
35
Installation and Maintenance Guide
Power connections
The back of the modules have a single connector that provides a DS256 connector and power to
the module. These connectors plug into the back of the media bay on the BCM1000 or
BCM1000e. Some modules also have a cooling fan that runs off the module power source.
the module. These connectors plug into the back of the media bay on the BCM1000 or
BCM1000e. Some modules also have a cooling fan that runs off the module power source.
shows the rear views of the two types of modules.
Figure 13 Rear of modules showing DS256 and power connectors
*Red LED
On
Power converter
failure. Power to
telephones may not
be within spec.
(check base unit
LEDs for possible
power issue or
replace module)
failure. Power to
telephones may not
be within spec.
(check base unit
LEDs for possible
power issue or
replace module)
N/A
Flashing
N/A
Loss of DS256 clock, or
DS256 cable may be
disconnected.
DS256 cable may be
disconnected.
* Not all modules have red LEDs
LED state
Power
Status
DS256 and power
connector
connector
DS256 and
power connector
power connector
Cooling fan
Module wires are vul-
nerable to breakage.
See Warning below.
nerable to breakage.
See Warning below.