Specifications

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50x0CTC3 Series C-Touch Colour Touch Screen Installation Instructions
© 2012 Schneider Electric. All Rights Reserved.
4.4 USB Connections
One or two optional USB devices can be installed in the sockets on the rear panel.
Using a USB extension cable is recommended for all devices. When using extension
cables, place any USB devices outside of the metal box (see Figure 16).
Adapter
USB extension
Figure 16. USB device and extension cable.
To install the adapter, follow these steps:
1. Install optional USB devices in one of the USB sockets on the back panel.
2. In applications using a wall box or nail bracket, a Wi-fi adapter requires an
extension cable and must be placed outside the box for proper reception.
3. When using an extension, attach the cable to the back of the touch screen and
allow excess cable to lie loose in the wall cavity.
4.5 RS232 Serial Connection
The RS-232 serial port connection uses standard EIA 574 pinouts (see Table 3).
The RS-232 port lets you to connect external devices such as security and control
equipment. Be sure to use a suitable shielded data cable. The cable length should
be limited to 15 metres for communication up to 19,200 bps, or 7.5 metres at 38,400
bps.
Pin Name Description
1 DCD Data Carrier Detect
2 RD Receive Data
3 TD Transmit Data
4 DTR Data Terminal Ready
5 GND Ground
6 DSR Data Set Ready
7 RTS Request to Send
8 CTS Clear to Send
9 RI Ring Indicator
1
2
3
4 5
6
7
8
9
Table 3. RS232 Serial Interface