Issue 1.34
IBDH/IBUH/TLTH/ILAH Installation and Operation Handbook
Page 6
REAR PANEL PINOUTS
Remote
15 Way D type Female on the chassis with connections as follows
Alarms
15 Way D type Male on the chassis with connections as follows
There are 2 independent relays controlled together designated (1) and (2) as follows. Important
note : N/O means 'normally open' in the non fail state with STATUS LED Green
If the mute option is fitted then the unit will be muted unless the above Ext. Mute pin is joined to
GROUND.
Redundancy
9 Way D type Male on the chassis with connections as follows
RS485 Rx +
1
RS485 Tx +
2
Not used
3
Not used
4
Not used
5
Not used
6
RS232 Rx In
7
Not used
8
9
RS485 Rx -
10
RS485 Tx -
11
Not used
12
Not used
13
Not used
14
GROUND
15
RS232 Tx Out
Unit fault (1) COM
1
Unit fault (1) N/C
2
Ext Mute (1)
3
Unit fault (2) COM
4
Unit fault (2) N/C
5
Not used
6
Not used
7
Not used
8
9
Unit fault (1) N/O
10
Not used
11
Not used
12
Unit fault (2) N/O
13
Not used
14
Not used
15
GROUND
Not used
1
CAN
Low
2
GND
3
Power A
4
Power B
5
6
GND
7
CAN
High
8
Tellback A
9
Tellback B
