Figure 3-2. Rear panel View of Typical RFL 9785 TX/RX Chassis (Dwg. No. D-106577-A)
9785
RFL Electronics Inc.
l 25, 2005
3-9 (3-10 Blank)
(973) 334-3100
9785 SS I/O
STATION TB1-1
BLOCK RELAY+ TB1-2
BLOCK RELAY- TB1-3
1 AMP TB1-4
200 mA TB1-5
180 mA TB1-6
20 mA TB1-7
(OPTIONAL)
CURRENT LIMIT PANEL
IRIG-B CONNECTOR
BLOCK OUTPUT 1 + TB3-1
BLOCK OUTPUT 1 - TB3-2
BLOCK OUTPUT 2 + TB3-3
BLOCK OUTPUT 2 - TB3-4
BLOCK OUTPUT CONNECTIONS
START/STOP INPUT CONNECTIONS
START INPUT + TB4-1
START INPUT - TB4-2
STOP INPUT + TB4-3
STOP INPUT - TB4-4
RESERVE INPUT + TB5-1
RESERVE INPUT - TB5-2
REMOTE INITIATE INPUT + TB5-3
REMOTE INITIATE INPUT - TB5-4
RESERVE AND REMOTE INITIATE
INPUT CONNECTIONS
ALARM RELAY CONNECTIONS
STATION B TB10-1
STATION BATTERY - TB10-2
SWITCHED STATION B TB10-3
SWITCHED STATION BATTERY - TB10-4
INPUT POWER CONNECTIONS
ANALOG COMMON TB2-1
MICROPHONE (INPUT) TB2-2
EARPIECE (OUTPUT) TB2-3
CALL KEY (INPUT) TB2-4
RECEIVED CALL (OUTPUT) TB2-5
12V RETURN TB2-6
EXTERNAL VOICE CONNECTIONS
CHECKBACK ALARM
CHASSIS CONNECTION
BLOCK RELAY 1 COM TB4-5
BLOCK RELAY 1 NO TB4-6
BLOCK RELAY 1 NC TB4-7
BLOCK RELAY 2 COM TB5-5
BLOCK RELAY 2 NO TB5-6
BLOCK RELAY 2 NC TB5-7
BLOCK RELAY CONNECTIONS
EXTERNAL CARRIER RECEIVE LEVEL
METER CONNECTIONS
METER + TB9-7
METER - TB9-8
CONNECTIONS
CARRIER TRANSMIT AND RECEIVE
CHASSIS GROUNDING STUD
(#8 LUG)
TRANSMIT
(NORMALLY INTERNALLY
CONNECTED TO RECEIVE)
RECEIVE
(NORMALLY INTERNALLY
CONNECTED TO TRANSMIT)
UHF
SIG
GND
UHF
SIG
GND
J5
TB9-1
TB9-2
J7
TB9-5
TB9-6
POWER FAIL RELAY
(NORMALLY ENERGIZED)
TRANSMITTER FAIL RELAY
(NORMALLY ENERGIZED)
CHECKBACK TEST IN
PROGRESS RELAY
(NORMALLY DE-ENERGIZED)
CHECKBACK FAIL RELAY
(NORMALLY DE-ENERGIZED)
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
TB7-1
TB7-2
TB7-3
TB7-4
TB7-5
TB7-6
TB8-1
TB8-2
TB8-3
TB8-4
TB8-5
TB8-6
REDUNDANT P.S.
INPUT POWER CONNECTIONS
STATION BATTERY 1 + TB10-1
STATION BATTERY 1 - TB10-2
STATION BATTERY 2 + TB10-3
STATION BATTERY 2 - TB10-4
SINGLE P.S.
CHASSIS GROUNDING STUD
(#8 LUG)
SS INPUT
ALARM RELAY
9785 RF LINE I/O
RX
J7
TX
J5
PA-19
SB-
4A
F1
SW SB-
SW SB+
P.S. I/O
O
I
OFF
SB+
ON
180mA
1 AMP
200mA
1
+SB
6
7
20mA
5
4
3
2
RLY-
RLY+
CURRENT
TB1
1
+
1
+
+
1
IRIG
-B
VO
ICE
MIC
EAR
CALL KEY
REV'D CALL
12V RET.
5
6
TB2
3
4
RS-232
COM
2
1
BLOCK 2
SS
4
-
2
3
-
+
6
NO
6
NO
7
RLY1
BLOCK
NC
BLOCK
NC
RLY2
7
STOP
4
5
C
-
3
2
-
+
START
RMT INIT.
C
-
5
4
RESERVE
-
+
2
3
SOE
BLOCK 1
SS
TB3
TB4
TB5
1
C
C
1
NC
NO
C
NC
CHECKBACK
NO
NC
6
FAIL
TX
C
NO
5
4
NC
NO
3
2
6
FAIL
5
4
3
2
CHECKBACK
POWER
FAIL
TB7
TIP
TB8
5
6
7
8
GAIN
IMP
MTR
EXT
RX
4
3
TB9
1
2
4
3
TX
PWR AMP
LEVEL
ALARM
2
1
TB10
O
I
O
OFF
I
ON
4
B
3
2
A
1
TB10
SB-
F2
P.S.-B
OFF
ON
4A
F1
SB+
SB-
SB+
P.S.-A
DUAL
P.S. I/O
RFL
Apri