Cisco Laser Link Ancillary Modules 安装指南
78-4028521-01 Rev B
Setup and Operation
3-17
Alarm Tables,
Continued
Models
(front panel
label)
Description
Vital Sign
VS#/Pin#
Vital Sign Description
Logic
EDFA
LLOA-C-
LLOA-C-
14BM
LLOA-C-
LLOA-C-
17BM
LLOA-C-
LLOA-C-
20BM
LLOA-C-
LLOA-C-
22BM
Laser Link
#1/#15
#2/#5
#3/#6
#4/#7
Redundant Power Alarm
– active when module
detects loss of +24 V DC
“A” supply
Optical Receive Power
Optical Receive Power
Optical Power Out
Global Alarm – RPAN
high, optical power alarm
out of tolerance, laser bias
alarm high, laser temp
high, fan failure
0 V = normal
+5 V = alarm
0 V = -20 dBm
2.5 V = -5 dBm
5.0 V = +10dBm
0 V = 6 dBm
2.4 V = 30 dBm
2.6 V = 6 dBm
5.0 V = 30 dBm
24 V = normal
0 V = alarm
Forward Receivers Alarm Table
Models
(front panel
label)
Description
Vital Sign
VS#/Pin#
Vital Sign Description
Logic
RCVR
50-550 MHz
RCVR
RCVR
EAW32
50-750 MHz
Laser Link II full-
width receiver
module, 50-550
MHz, rear panel
optical connector
Laser Link II full-
Laser Link II full-
width receiver
module, 50-750
MHz, rear panel
optical connector
#1/#5
#2/#11
#3
#4/#4
Redundant Power Alarm
– active when module
detects loss of +24 V DC
“A” supply
Optical Receive Power
Optical Receive Power
Alarm (< -17 dBm)
No connection
Global Alarm – any above
No connection
Global Alarm – any above
condition
0 V = normal
+5 V = alarm
0 V = normal
5 V = alarm
No connection
24 V = normal
No connection
24 V = normal
0 V = alarm