6
ASYNC RS-232 TO 2-WIRE RS-485 CONVERTER
1. Specificatons
Transmission Format
— Asynchronous
Data Rate
— Up to 115,200 bps
Distance
— Up to 4000 feet (1219.2 m)
on Category 5 solid cable
Connectors
— IC520A-F: (1) DB25 female,
(1) 4-screw terminal block; IC520A-M: (1) DB25
male, (1) 4-screw terminal block;
IC521A-F: (1) DB25 female, (1) RJ-45 female;
IC521A-M: (1) DB25 male, (1) RJ-45 female
Interface
— RS-232 is DCE
Transmit Line
— 2-wire unconditioned twisted pair
(24 AWG, solid, unshielded twisted pair [CAT-5])
Transmit Mode
— 2-wire half-duplex
Surge Protection
— 600 W power dissipation at 1 ms
Temperature
— 32 to 122 °F (0 to 50 °C)
Humidity
— 5 to 95%, noncondensing
