Connections To Terminals And Rs-232C/Rs-485 Connectors - Sony YS-DX516P Bedienungsanleitung

Connection

Connections to terminals and RS-232C/RS-485 Connectors

External alarm sensors
(door bell, interphone, etc.)
1 2 3
14
(GB)
1RS-485 (RJ-11) connectors
6-pin (RJ-11) connector layout
Pin No.
A: Non-inverting driver output/receiver input
B: Inverting driver output/receiver input
4
Transmission line: 2 conductors
Transmission system: Half duplex
Make the connection to the RS-485 connector using a
modular cable (not supplied).
• If using a straight type cable, connect it between the
A connectors, or between the B connectors (see
illustration below).
• If using a crossed type cable, connect it from the A
connector to the B connector, or from the B
Switching
connector to the A connector (see illustration below).
output terminal
COM
To connector A
COM
Alarm input
terminal
A terminal signal
1 Not used
2 Not used
3 A signal
4 B signal
5 Not used
6 Not used
Straight-type cable
Straight type
B terminal signal
Not used
Not used
B signal
A signal
Not used
Not used
To connector A
Cross-type cable
Cross type