Extron Electronics DVS 605 User Guide - Manual (Page 17)

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RS-232/IR port — For serial RS‑232 control, connect a host computer or control
system to the 5‑pole captive screw connector. This port is also a hard wired IR control
for use with an external IR controller.
The default RS‑232 protocol is 9600 baud, 1 stop bit, no parity, 8 data bits, no flow
control.
By default the IR port is disabled. When enbled, the IR port accepts 38 kHz to 1 MHz,
modulated signals at TTL level (0‑5 V)
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Remote contact closure port — For remote input selection of any of the five
inputs, connect a suitable contact closure control device to this 5‑pole captive screw
connector. The contact closure port and the RS‑232 port share a common ground.
DVS 605 • Rear Panel Connections 11