Your Serial and Data Communications Expert
Shenzhen 3onedata Technology Co.,Ltd
RS422 port adopt DB9M (DB9F to 5 bit terminal block), RS232
port adopt DB9F (Female), no power supply Input.
RS-232
RS-232
RS-232
RS-232
(DB9F)
(DB9F)
(DB9F)
(DB9F)
2
2
2
2
TXD
3
3
3
3
RXD
5
5
5
5
GND
1
1
1
1
,,,
,
4
4
4
4
,,,
,
6
6
6
6
Interconnection
7
7
7
7
,,,
,
8
8
8
8
Interconnection
RS-422
RS-422
RS-422
RS-422
(DB9M)
(DB9M)
(DB9M)
(DB9M)
1
1
1
1
T+
2
2
2
2
T-
3
3
3
3
R-
4
4
4
4
R+
5
5
5
5
GND
Terminal
Terminal
Terminal
Terminal
block
block
block
block
(DB9F
(DB9F
(DB9F
(DB9F
to
to
to
to
5
5
5
5
bit)
bit)
bit)
bit)
T+
T+
T+
T+
To external RS-422 signal R+
T-
T-
T-
T-
To external RS-422 signal R-
R-
R-
R-
R-
To external RS-422 signal T-
R+
R+
R+
R+
To external RS-422 signal T+
GND
GND
GND
GND
Signal GND
Specifications:
Specifications:
Specifications:
Specifications:
Standards: EIA RS-232C, RS-422 standard
Working mode: Asynchronism, point to point, 4 wire full-duplex
Transfer rate: 300~115200bps, auto test serial signal rate detect
signal speed automatically, zero delay time
Flow control: Data direction auto-turnaround, no flow control is
required
Max number of drops: 128 nodes
Transfer distance: RS-422 side: 1.2Km
RS-232 side: no less than 5m
Port protect: 1500W surge protection,15KV ESD protection
Connector: RS-232 side DB9 female
RS-422 side DB9M( DB9F to 5 bit terminal block)
Power
Power
Power
Power
Power input: No power supply need, powered from RS-232 port
TXD, RTS, DTR
Consumption: Static less than 10mA, dynamic less than 40mA
Environment
Environment
Environment
Environment
Operating temperature: -10°C to 60°C
