Nortel Networks BCM1000 Media bay module common features

34 Chapter 2 Telephony hardware
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Figure 11 Telephony hardware components.
Media bay module common features
Media bay modules are designed within a common casing, which includes the following common
features:
LEDs
All media bay modules have power and status LEDS.
Figure 12 shows the location of the (Power) and (Status) on a CTM. These LEDs are
located in the same place on all modules. Table 2 describes the common LED states.
Table 2 Module Power and Status LED states
LED state Power Status
Figure 12 Module LED locations Indicates state of
module power
Indicates condition of
module status
Green LED
On Normal operation All monitored services
are working.
Flashing
N/A KSU startup (slow flash)
or (fast flash) there may
be a problem with the
DS256 cable or the
DS256 clock
Off Module is not
powered
Module not powered
(reseat module) OR
hardware fault (replace
module)
“Trunk media bay modules”
on page 37
“Station media bay modules”
on page 42
“Specialized media bay
modules” on page 47
“Telephones and adapters”
on page 50
Refer to “Media bay module availability by region” on
page 237 and “FEM-trunk module combinations by
region” on page 238 to determine which media bay
modules and which types of trunk lines are available in
CTM
Power LED
Status LED