Black with
white stripe
Black wire
ifs
International
Fiber
Systems
Incorporated
VT1910
FM VIDEO TRANSMITTER
+
DATA TRANSCEIVER
- 2
+ 12 VDC - 1
- 7
- DATA (IN/OUT) - 6
+ DATA (IN/OUT) - 5
RS232 DATA OUT - 4
- DATA OUT - 3
+ DATA OUT - 2
- 1
POWER
CARRIER DETECT
RS422/
2W RS485
RS422/
4W RS485
RS232
VIDEO INPUT
OPTICAL OUT
OPTICAL IN
Black with
white stripe
Black wire
ifs
International
Fiber
Systems
Incorporated
VR1910
FM VIDEO RECEIVER
& DATA 2 WAYS
- 2
+ 12 VDC - 1
POWER
CARRIER
DETECT
LOSS OF VIDEO/
TAMPER SWITCH
VIDEO OUTPUT
OPTICAL OUT
OPTICAL IN
Coax cable
Coax cable
Video source
Video
monitor
Duplex multimode
fiber optic cable
Switch 1
NOTE: Switch 3
ON:
will pass data.
OFF:
will pass Tamper Switch status and data
from VR to VT, but not from VT to VR.
RS232
RS422
RS485 (2-wire)
RS485 (4-wire)
Switch 2
OFF
OFF
OFF
OFF
ON
OFF
ON
ON
- 2
+ 12 VDC - 1
- 7
NC - 6
i OUT - 5
NC - 4
NC - 3
NC - 2
I IN - 1
POWER
CARRIER DETECT
VIDEO OUTPUT
OPTICAL IN / OUT
ifs
International
Fiber
Systems
Incorporated
203.426.1180
VR193WDM-TTY
www.ifs.com
1
2
SW
2
1
FM VIDEO RECEIVER
+
CURRENT LOOP TRANSCEIVER
TAMPER SWITCH
3
3
232
OFF
OFF
422
OFF
OFF
2W
485
OFF
OFF
4W
485
OFF
OFF
OFF = TAMPER SW
ON = BYPASS
TAMPER SW
1
2
SW
2
1
232
OFF
OFF
422
OFF
OFF
2W
485
ON
OFF
4W
485
ON
ON
1
2
SW
2
1
3
3
232
OFF
OFF
422
OFF
OFF
2W
485
ON
OFF
4W
485
ON
ON
OFF = TAMPER SW
ON = BYPASS
TAMPER SW
- 7
- DATA (IN/OUT) - 6
+ DATA (IN/OUT) - 5
RS232 DATA OUT - 4
- DATA OUT - 3
+ DATA OUT - 2
- 1
RS422/
2W RS485
RS422/
4W RS485
RS232
LOSS OF VIDEO / TAMPER SWITCH
FUNCTIONALITY OF TAMPER SWITCH:
The tamper switch terminals on the VR will
open upon one of the following conditions;
loss of carrier, loss of video, switching of SW3
on the VT to the ON position.