Performance parameter
1. Interface characteristics: the interface is compatible with EIA/TIA RS-232C, RS
-485/RS-422 standard.
2. Electrical interface: DB9 hole type connector on the RS-232 end, RS-485
/422 end DB9 pin connector, equipped with terminal.
3. Working mode: automatic selection of asynchronous full-duplex and half-duplex differential transmission,
No jumper setting is required.
4. Transmission medium: twisted pair or shielded wire.
5. Transmission rate: 300-115.2KBS.
6. Dimensions: 60mmX35mmX18mm.
7. Use environment: -25℃ to 70℃, relative humidity is 5% to 95%.
8. Transmission distance: 1,200 meters(RS-485 terminal)5 meters(RS-232 terminal)
Hardware installation and application:
The appearance of this product adopts DB-9/DB-9 universal adapter plug, output connection
The port is equipped with ordinary terminal, can use twisted pair or shielded wire, connect and remove
Very convenient. Wiring principle “Send+”Receive the other party“Send+”、“Receive-”Receive
The other party’s “send-”. When wiring in RS-485 half-duplex mode, connect T/R+ to the other party''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''s
A+, T/R- connect to the other party’s B-. When wiring in RS-422 full-duplex mode, set the T/R+
(Hair+)Pick up the other party''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''s RXD+(Receive +), T/R-(hair-)Pick up the other party''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''s RXD-
(Receive-), RXD+(Receive +)Connect to the other party''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''s TXD+(Hair+), RXD-(Receive-)
Connect to the other party''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''s TXD-(hair-).
The interface converter supports the following four communication methods:
1. Point-to-point/four-wire full duplex;
2. Point-to-multipoint/four-wire full duplex;
3. Point-to-point/two-wire half-duplex;
4. Point-to-multipoint/two-wire half-duplex.