Panasonic WJ-SX550A Operating Instructions Manual page 47

WV-PB5548E Data Board
1. Data Connector (TA/TB/RA/RB/GND, 1 - 8)
These connectors are used to transmit/receive control data to/from the camera site. Use data
grade cable, suitable for RS-485 (shielded, twisted pairs). Cable length may be extended up to
1,200 m (4,000 ft).
TA (+)
TB
1 RA (+)
RB
GND
R :
T
SW:
GND: Ground; Connected to each channel and
S W
R
T
Termination Resistor, 150 1/2W
Selection Switch, Full Duplex/ Half Duplex
common ground.
-43-
DATA
(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
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
3