S type : RS232 (SUB D9 Female connector
Ethernet : 10 Base T, RJ45 connector, 10/100 compatible (1)
Power supply : External (jack connector, +4,5VDC to +5,5VDC) and remote power supply through Sub D pin 9 (3)
RS / Ethernet isolation : 1500 Veff
RS & Ethernet LEDs signalling