User Manual

BRITECELL System Manual MN010-04 June 2003 Page 39 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.

Slave/Remote Sub-rack Alarm status (SUB-D Female)

PIN Name Meaning Description

1 UL Summary Alarm

To choose in conjunction with PIN 2,

Normally Open

2 – 1 =Short circuit if Remote Sub

rack Uplink is in alarm

2 UL Summary Alarm Common contact

3 DL Summary Alarm

To choose in conjunction with PIN 5,

Normally Closed

5 - 3 =Open circuit if Remote Sub

rack Downlink is in alarm

4 DL Summary Alarm

To choose in conjunction with PIN 5,

Normally Open

5 – 4 =Short circuit if Remote Sub

rack Downlink is in alarm

5 DL Summary Alarm Common contact

6 UL Summary Alarm

To choose in conjunction with PIN 2,

Normally Closed

2 - 6 =Open circuit if Remote Sub

rack Uplink is in alarm

7 not connected

8 not connected

9 not connected

Tab. 7 Slave sub-rack alarm connector pinout

Normal Condition (no alarm) Alarm Condition

Down Link

Up Link