EasyManuals Logo

TTC PCM30U User Manual

Default Icon
44 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #22 background imageLoading...
Page #22 background image
PCM30U, PCM30U-OCH – User's, Operating and Maintenance Manual
E.1.9 LED indication
E.1.9.1 LED - PWA variant
PBS
ERR - Urgent alarm
Red
Transmission
protocol error
Identification error
Opposite PBS error
(duplex mode)
Red –
flashing
quickly
Invalid
configuration
Red –
flashing
slowly
Not specified
TEST
Orange
Test in
progress
Orange -
flashing
Test error
PWR
Green
Operational
state
Dark
No power or
“out of order!
LM – GREEN
Activity at LM interface
1, 2
Green Line interfaces in
operational state
Yellow
High BER, slip at
line interface 1,2
Yellow -
flashing
Loop at line
interface 1,2
Laser
permanently ON
Red Loss of signal
IN
Orange
Input command
active
Orange
and test
Command being
tested
Orange
flashing
and TEST
Test error at this
command
OUT
Orange
Output command
active
Orange
and test
Command being
tested
Orange
flashing
and TEST
Test error at this
command
E2 – other alarms
Red
Single bit error (light
prolonged to 100 ms)
-48 V DC for relays
and bias source below
threshold
Opposite PBS error
(simplex mode)
Yellow
flashing
Service alarm
Data signal loop
detected
Green Not specified
Power Channel Modules E-21 446S037.914.14N00

Table of Contents

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the TTC PCM30U and is the answer not in the manual?

TTC PCM30U Specifications

General IconGeneral
BrandTTC
ModelPCM30U
CategoryControl Unit
LanguageEnglish