GE 90-30 PLC Series Installation And Hardware Manual page 387

Specifications
Mechanical
RS-485
Installation Hardware
Electrical
Voltage Supply
Typical Current
Ground Isolation
Conformance
Operating
Temperature
Baud Rate
GFK-0356Q Appendix E IC690ACC903 Port Isolator
15-pin D shell male for direct mounting to serial port on the programmable
controller
15-pin D shell female for communication cable
Two M3 thread connector thumbscrews. Recommended torque: 8 in./lbs. (0.9
Newton-meter). These are supplied with Isolator.
Two user supplied #6/32 (4mm) thread panel mounting screws. Recommended
torque: 12 in./lbs. (1.4 Newton-meter)
+5VDC (supplied by port)
25 mA
100 mA available for external equipment
500 Volts
EIA-422/485 Balanced Line
0° - 60°C (32° - 140° F)
Those supported by PLC
This appendix is based on Data Sheet GFK-1663.
Note:
E
E-7