Crestron CEN-IO Operation Manual page 8

Ethernet Input/Output Module
4 • Ethernet Input/Output Module: CEN-IO
CEN-IO Physical Views
CEN-IO Ports
Most ports are provided on the back of the CEN-IO. Each has a silk-screened label.
Refer to the illustration and descriptions below. There is only one port on the front
panel of the CEN-IO.
CEN-IO Ports (Rear Panel)
INPUT/OUTPUT
12 VDC .5A
This DC power socket connector is used to supply external power via the supplied
500 mA power pack (1000 mA power pack for CENI-IO configuration).
PC
This 6-pin, 6-position RJ11 modular jack is used to load the IP address and run
diagnostics. Refer to the pinout table below.
PC Port (RJ11) Pinouts
PIN DESCRIPTION
1 CTS
2 GND
3 RXD
4 TXD
5 RTS
6 No Connect
Crestron CEN-IO
INPUT/OUTPUT
RELAY OUTPUT
RELAY OUTPUT
Operations Guide - DOC. 5718