IA-3178-U2i
8
www.intelligent-appliance.com
Specifications are subject to change without notice
32-ch Relay
USB or RS-232 Controlled
Pin Assignment
J1
– Main Port (USB)
J2
- Secondary Port (RS-232, DB9 Female)
Pin Function
#2 Tx
#3 Rx
#5 GND
J3
– Expansion Port (RS-232, DB9 Male)
Pin Function
#2 Rx
#3 Tx
#5 GND
TB1 to TB8
– Relay #1 to Relay #32
TB9
– Voltage Monitor - Isolated Digital input
TB10
– Power supply input terminal
User Defined Jumpers & Led
UJP Jumper
– User defined jumper
ULD Led
– User defined led