Cisco Proteus Node Return Digital Transmitter with Ethernet Installationsanleitung
3-10
Setup and Operation
78-4028521-01 Rev B
Alarm Tables
1310 nm Forward Transmitters Alarm Table
Models
(front panel
label)
Description
Vital Sign
VS#/Pin#
Vital Sign Description
Logic
LLII
LLII+
Laser Link II
identified by 2.4 mm
pigtail
#1/#5
Redundant Power Alarm
– active when module
detects loss of +24 V DC
“A” supply
0 V = normal
+5 V = alarm
#2
No connection on this
module
No connection
#3/#12
Laser Temp./Laser Bias –
alarm when laser
temperature or laser bias
current is out of range
0 V = normal
5 V = alarm
#4/#4
Global Alarm – any above
condition and +5 or -5 V
DC fails
24 V = normal
0 V = alarm
LLII
LLII SP
LLII+
LLII+LP
LLII+SP
LLII+HP
Laser Link II
transmitters with 900
mm pigtail or rear
panel optical
connector
#1/#5
#2
Redundant Power Alarm
– active when module
detects loss of +24 V DC
“A” supply
No connection on this
No connection on this
module
0 V = normal
+5 V = alarm
No connection
#3/#12
Laser Temp./Laser Bias –
alarm when laser
temperature or laser bias
current is out of range
0 V = normal
5 V = alarm
#4/#4
Global Alarm – any above
condition and +5 or -5 V
DC fails
24 V = normal
0 V = alarm