User manual

Chapter 1. Introduction
1-6 Multiplexer Unit : Apr 2003
LED Indicators
Power 1
Green Power Module 1 active
Power 2 Green Power Module 2 active
Optical 1 RED Off = off
On = working (ALS is off)
On = working & linked (ALS is set Auto)
Blinking = working & not linked
(If ALS is disabled, then the not linked condition will
not be indicated by a blinking LED)
Optical 2 RED Off = disabled
On = standby (ALS is off)
On = standby & linked (ALS is set Auto)
Blinking = Standby & not linked
(If ALS is disabled, then the not linked condition will
not be indicated by a blinking LED)
Channels GREEN One LED for each channel (A-D) of each Port (1-4)
or a total of 16 LED.
On = In Service
Off = Out of Service
Blinking = Loss of Signal
Audible Alarm
Cutoff
Amber Audible Alarm has sounded, alarm cutoff switch has
been pushed
Minor Alarm Amber Indicates a minor alarm has occurred
, includes E1 or
T1 BPV or fiber sync slip.
Major Alarm RED Indicates a major alarm has occurred, includes E1,
T1, and fiber signal loss.
Far End Error Amber Indicates a far end (remote) error has occurred
Near End Error RED Indicates a near end (local) error has occurred
System Failure RED Indicates a failure in the "system" such as fiber LOS
Optical (Dual) GREEN = optical link established
RED = optical link failure
E1 (Dual) GREEN = E1 active, no errors
RED = E1 Signal Loss
Off = No E1
T1 (Dual) GREEN = T1 active, no errors
RED = T1 Signal Loss
Off = No T1
RS-232 Console Port
Port interface V.24/RS-232 asynchronous, DCE
Port connector RJ-45
Data rate (*default) 19200 bps
Data format -One start bit
-8 data bits
-No parity
-One stop bit
RJ-45 Pin Usage
RJ-45(DCE) DB9(DTE)
4 GND 5
5 TD 2
6 RD 3