Wj-Pb85R08 Rs-485 Data Board - Panasonic System 850 Operating Instructions Manual

WJ-PB85R08 RS-485 Data Board

Preface
The WJ-PB85R08 RS-485 Data Board is an optional board for exchange of control data between the Camera Control Cage
(MXCONT) and the camera site.
Appearance
q Data Connectors (TA/TB/RA/RB/G 1 - 8)
These connectors are used to exchange control data with the camera site devices. For con-
nection, use a data grade shielded 4-wire twisted pair cable suitable for RS-485 communica-
tion.
TA (+)
TB
1 RA (+)
RB
GND
R
T
SW:
GND: Ground; Connected to each channel and
21
TXD
S W
R RXD
T
: Termination Resistor
Selection Switch, Full Duplex/ Half Duplex
common ground.
RS485
A
T
B
A
1
R
B
G
A
T
B
A
2
R
B
G
A
T
B
A
3
R
B
G
A
T
B
A
4
R
B
G
q
A
T
B
A
5
R
B
G
A
T
B
A
6
R
B
G
A
T
B
A
7
R
B
G
A
T
B
A
8
R
B
G