2 RS-232/422/485 COM Port Module, Cresnet.
This product has been discontinued. Please contact Crestron True Blue Support at 1-888-CRESTRON for a replacement solution or more information.
An expansion module for Crestron control systems to provide two bidirectional COM ports.
The ST-COM is a Cresnet® expansion module that provides two independent bidirectional RS-232/422/485 COM ports. Typical applications include control of display devices, switchers, lighting systems, security systems, and more. The ST-COM may be used to provide a serial control interface at a remote location, or may be rack mounted in the central equipment cabinet to expand the number of control system ports (ST-RMK rack mount kit sold separately). Communication with the control system is via a single Cresnet connection.
| Connectors |
| | COM A - B | (2) DB9 male, bidirectional RS-232/422/485 ports;
Up to 115.2k baud; hardware and software handshaking support |
| | NET | (2) 6-pin RJ11 female, Cresnet slave ports, paralleled;
Connect to Cresnet control network |
| | 12VDC | (1) 2.5mm barrel DC power jack;
12 Volt DC power input (PW-1205 power pack included) |
| Indicators |
| | PWR | (1) green LED, indicates power supplied from Cresnet network or local power pack |
| | NET | (1) amber LED, indicates communication with Cresnet system |
| | RXD, COM A – B | (2) red LEDs, indicate data signal reception at corresponding COM port |
| | TXD, COM A – B | (2) red LEDs, indicate data signal transmission at corresponding COM port |
| | RTS, COM A – B | (2) red LEDs, indicate corresponding COM port is ready to receive data if handshaking is enabled |
| | CTS, COM A – B | (2) red LEDs, indicate a “clear to send” signal from the device connected to each corresponding COM port |
| Power Requirements |
| | Power Pack | 0.5 Amp @ 12 Volts DC;
120 Volts AC, 60 Hz power pack, model PW-1205, included |
| | Cresnet Power Usage | 2.5 Watts (0.11 Amp @ 24 Volts DC) with no power pack connected |
| Environmental |
| | Temperature | 41° to 113°F (5° to 45°C) |
| | Humidity | 10% to 90% RH (non-condensing) |
| Enclosure |
| | Chassis | Metal, black finish |
| | Faceplate | Extruded aluminum, black finish with polycarbonate label overlay |
| | Mounting | Freestanding or 1U 1/2-width 19-inch rack-mountable (adhesive feet included, ST-RMK rack kit sold separately) |
| Dimensions |
| | Height | 1.80 in (46 mm);
1.70 in (44 mm) without feet |
| | Width | 7.07 in (180 mm) |
| | Depth | 6.32 in (161 mm) |
| Weight |
| | 2.0 lb (0.93 kg) |
| INTERNATIONAL VERSION (230 VAC) |
| | STI-COM |
| | All the features and specifications of the ST-COM except: |
| | Power Requirements |
| | Power Pack | 0.5 Amp @ 12 Volts DC;
230 Volts AC, 50 Hz power pack, model PWI-1215, included |
| | Cresnet Power Usage | 2.5 Watts (0.11 Amp @ 24 Volts DC) with no power pack connected |
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