Install Manual

BRITECELL System Manual MN010-04 June 2003 Page 38 of 78
The company has a policy of continuous product development and improvement and we therefore
reserve the right to vary any information quoted without prior notice.
Master/Local Sub-rack Alarm status (SUB-D Male)
PIN Name Meaning Description
1 not connected
2 DL Summary Alarm Common contact
3 not connected
4 UL Summary Alarm Common contact
5 not connected
6 DL Summary Alarm
To choose in conjunction with PIN 2,
Normally Closed
2 - 6 = Open circuit if Local Sub rack
Downlink is in alarm
7 DL Summary Alarm
To choose in conjunction with PIN 2,
Normally Open
2 – 7 = Short circuit if Local Sub rack
Downlink is in alarm
8 UL Summary Alarm
To choose in conjunction with PIN 4,
Normally Closed
4 - 8 = Open circuit if Local Sub rack
Uplink is in alarm
9 UL Summary Alarm
To choose in conjunction with PIN 4,
Normally Open
4 – 9 = Short circuit if Local Sub rack
Uplink is in alarm
Tab. 6 Master sub-rack alarm connector pinout
normal condition (no alarm) Alarm Condition
Down Link
Up Link
If a slave sub-rack is connected via TSU012 Control Unit or TFLB Interconnect Link
Unit, alarms from slave/remote sub rack are also reported through the TPR back
plane at the auxiliary DB9 female connector, providing alarm relay logic similar to
the master ( see Tab. 7)
NOTE: TPR subrack provides connections for more detailed alarms, at the right
most slots (see TSU012 control unit product specification)
2
6
7
4
8
9
2
6
7
4
8
9