Codan Radio MT-4E Paging - Manual (Page 39)

MT-4E PAGING SYSTEMS | USER GUIDE
Chapter 3: MT-4E Paging System Components Page 31
The A-PNL-SCARB-01 Connector replaces the A-PNL-AUX96-3 Auxiliary Connector. The SCARB
mounts on the back wrap-around cover of the subrack and connects to the auxiliary connector on the
motherboard. A close-up view of the SCARB connector label is shown in Figure 3-21.
Figure 3-21: System Control and Relay Board Pin-Out
J1
Tx
A CSel D2 J2
Tx
A CSel D0
Tx
A CSel D1
Tx
A CSel D3
Tx B CSel D0 Tx B CSel D1 Tx B CSel D2 Tx B CSel D3 Tx
A Dir Mod
Tx B Dir Mod Tx
A PTT
Out
Tx B PTT
Out
Rx
A Sql Over
Rx B Sql Over Rx A
Mute
Rx B Mute
J3
GPIO 1 GPIO 2 GPIO 3 GPIO 4 GPIO 5 GPIO 6 GPIO 7 GPIO 8 GPIO 9 GPIO 10 GPIO 1
1
GPIO 12 GPIO 13 GPIO 14 GPIO 15 GPIO 16
GPIO 17 GPIO 18 GPIO 19 GPIO 20 Ground Ground 13.8 Vdc 9.5 Vdc Rx A
RSSI
Rx B RSSI RL
Y 1 NO
RL
Y 1 COMM
RL
Y 1 NC
RL
Y 2 NO
RL
Y 2 COMM
RL
Y 2 NC J4
Conn PTT PTT
Disable
Remote Ana
PTT
Con A/D
CTRL
PWR CTRL
1 I/P
PWR CTRL
2 I/P
PWR CTRL
O/P
PA
Alarm
I/P
AC Fail ICT
I/P
RL
Y 3 NO
RL
Y 3 NC
RL
Y 4 NO
RL
Y 4 COMM
RL
Y 4 NC J5
RL
Y 3 COMM
Spare VDC I/P
1
RL
Y 5 NO
RL
Y 5 COMM
RL
Y 5 NC
Spare
Alarm I/P
1
Spare
Alarm I/P
2
Spare
Alarm I/P
3
RL
Y 6 NO
RL
Y 6 COMM
RL
Y 6 NC
RL
Y 7 NO
RL
Y 7 COMM
RL
Y 7 NC
RL
Y 8 NO
RL
Y 8 COMM
RL
Y 8 NC
Spare VDC I/P
2
J6
Pin 1 Pin 16 Wire Sizes: 22 AWG Min, 16 AWG Max
Tx
A Bal I/P
1
Tx A
PTT
Rx
A Bal O/P
1
Rx
A Bal O/P
2
Rx A
COR
Rx
A Disc O/P
Tx B Bal I/P
1
Tx B Bal I/P
2
Tx B PTT Tx B Subt I/P
1
Rx B Bal O/P
1
Rx B Bal O/P
2
Rx B COR Rx B Disc O/P Tx
A Subt I/P
1
Tx
A Bal I/P
2
A-PNL-SCARB-01