RS-232/422/485 COM Module
Crestron
ST-COM
mutually exclusive in the ST-COM. If both are enabled, RTS/CTS is
used. If CTS handshaking is enabled, the CTS line is monitored by the
ST-COM. The CTS line can also be enabled as a digital input to the
control system; the RTS line can be enabled as a digital output.
•
Specify RS422 for standard if RS-422 compatible levels must be
supported.
•
Break statement is generated for as long as the signal is held high.
•
Provides character pacing in units of milliseconds for all of the data
specified. The range of the pacing is from 1 to 31 milliseconds. Pacing
greater than 31 milliseconds defaults to the maximum (31 ms).
•
Supports RS-485. However, additional drivers are required and specific
protocol must be followed. The unit remains in receive mode until
transmission is enabled with one character switching. Consult
Crestron’s award winning customer service team in your area.
Physical Description
The ST-COM is housed in a black enclosure with silk-screened labels on the front
and rear panels. On the front of the unit there are 10 LEDs for indicating the unit’s
current status. All connections are made on the back of the unit. Refer to the physical
views shown below. There are four rubber feet on the base of the unit for stability
and to prevent slippage.
ST-COM Physical Views
1.500 in
(3.810 cm)
6.134 in
(15.580 cm)
1.700 in
(4.318 cm)
6.322 in
(16.058 cm)
6.940 in
(17.628 cm)
7.066 in
(17.948 cm)
2
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RS-232/422/485 COM Module: ST-COM
Operations Guide - DOC. 5695A