![Voscom VOS-4020FDMR Скачать руководство пользователя страница 4](http://html1.mh-extra.com/html/voscom/vos-4020fdmr/vos-4020fdmr_installation-manual_1051169004.webp)
1
1
2
3
Fiber Optic Connector, FC/PC or ST/PC
V1~V4 BNC Connector, 75-ohm analog video input (Transmitter)/output (Receiver)
Stand-alone Power supply Connector, DC5V 3A Input.
Panel & Cable Connection
En_3
NOTE1:
Digital video optic transmitter and receiver should be used in pairs, one is
Transmitter
(LED is red)
, the other is
Receiver (LED is green)
.
NOTE2:
Avoid simultaneously connecting video signals to both the front BNC and rear BNC of the
same channel. Also, since each video channel is factory terminated to 75 ohm, unused BNCs
should not be used for loop-through video connections.
4
Data Connector, Terminal Block, Data support one duplex Rs485, Rs232 or Rs422.
Transmitter (Rs485):
Two Duplex Rs485 Data Connection (Input/Output)
FTX
REAR PANEL
DC5V
DATA
1 2 3
1
3
FRONT PANEL
V1
V2
V3
V4
EXT1
A+ A- B+ B- C+ C- D+ D-
EXT2
2
None
4
None
8 Pin Terminal Block
A+
A-
B+
B-
C+
C-
D+
D-
2-Channel Rs485+(A)
None
PIN
1-Channel Rs485+(A)
1-Channel Rs485
-
(B)
None
2-Channel Rs485
-
(B)
None
None
C+ C - D+ D -
A+ A - B+ B -
Input/Output
Input/Output
Input/Output
Input/Output