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RS422 port adopt DB9M (DB9F to 5 bit terminal block), RS232
port adopt DB9F (Female), no power supply Input.
RS-232
(DB9F)
RS-232 (DB9F)
RS-232
(DB9F)
2 2 2 TXD
1 1 1 , , , 4 4 4 , , , 6 6 6 Interconnection 7 7 7 , , , 8 8 8 Interconnection
RS-422
(DB9M)
RS-422 (DB9M)
RS-422
(DB9M)
1 1 1 T+
2 2 2
4 4 4 R+
Terminal
block
Terminal
Terminal block
block (DB9F
T+
To external RS-422 signal R+
T+
T+
T- T- T-
To external RS-422 signal R-
R-
To external RS-422 signal T-
R-
R-
R+
To external RS-422 signal T+
R+
R+
GND Signal GND
GND
GND
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
Flow control: Data direction auto-turnaround, no flow control is
Max number of drops: 128 nodes
Transfer distance: RS-422 side: 1.2Km
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 input: No power supply need, powered from RS-232 port
Consumption: Static less than 10mA, dynamic less than 40mA
Environment
Environment
Environment
Operating temperature: -10°C to 60°C
3 3 3 RXD
5 5 5 GND
T-
3 3 3 R-
5 5 5
GND
(DB9F to to to 5 5 5 bit)
(DB9F
signal speed automatically, zero delay time
required
RS-232 side: no less than 5m
TXD, RTS, DTR
Your Serial and Data Communications Expert
bit)
bit)
Shenzhen 3onedata Technology Co.,Ltd
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