5 Cards
Table 5-34 Interfaces (Continued)
Identifier Meaning Description
ALM
Alarm port
Outputs equipment alarms to the PDP, the top
of the cabinet, or the head of row cabinet.
DC1-7
Dry contact interface Connects to dry contact signals.
Table 5-35 Indicator LEDs
Identifier
Meaning
Color Status
Description
ACT
Working
indicator LED
Green
ON
The card is working normally.
Blinking
slowly
The card is being initialized.
OFF
The card is not powered on
normally.
ALM
Alarm
indicator LED
Red
ON
The card is being reset or has an
urgent alarm.
OFF
The card has no urgent alarms.
Function
u Provides an EMS port for out-of-band network management of the system.
u Provides an alarm monitoring port (ALM).
u Provides a dry contact interface for 7 lines.
u Provides clock ports.
Working Principle
u The conversion module transmits data transparently, and provides an out-of-
band management network port, an alarm port, a dry contact interface and
clock ports.
Version: B
71