DDA-4320 & ZDA-4320RH Instruction Book
Revision 7
www.irtelectronics.com
Page 11 of 16
4320-DDA_ib_Rev7.doc
Front & rear panel connector diagrams
The following front panel and rear assembly drawings are not to scale and are intended to show connection order
and approximate layout only.
ZDA-4320
- Standard rear assembly for single card use.
ZDA-4320RH - Double width rear assembly for switching between two DDA-4320’s.
1
Alarm on loss of input, input signal invalid, AIS detected, or loss of power.
2
Alarm on loss of power.
3
Ground.
PL2
INPUT
OUT 1
OUT 5
OUT 2
OUT 6
PL5
PL6
1
2
3
PL2
INPUT A
OUT 5A
OUT 6
OUT 5B
OUT 2
PL3
PL2
PL5
PL4
OUT 1
INPUT B
1
2
3
4
5
PL1
1
2
3
4
5
PL6
*
*
NOTE:
Relay bypass between INPUT and OUT 6 on loss of power.
*
ZDA-4320 ZDA-4320RH
N140
ALLOW
INHI BIT
REQUEST
STANDBY
CHANGE
DATA
LOSS
MAIN
D D A - 432 0
STM-1
270Mb
AIS
SK5
SK6
SK1
SK3
SK11
SK9
SK8
SK2
SK3
SK5
SK7
SK9
1
Tally B - unit B is Main.
1
Tally A – unit A is Main.
2
C/O request – select B as Main.
2
C/O request – Select A as Main.
3
3
4
Alarm on loss of B power.
4
Alarm on loss of A power.
5
Ground.
5
Ground.
PL1
PL6
Alarm on loss of B input, B input invalid,
Alarm on loss of A input, A input invalid,
AIS detected on B, or loss of B power.
AIS detected on A, or loss of A power.