Citrix Systems Citrix MetaFrame Application for Windows 1.8 - Manual (Page 153)

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u The DTR (Data Terminal Ready) and DSR (Data Set Ready) modem signals
are not supported
u The RI (Ring Indicator) modem signal is not supported; most applications use
CD (Carrier Detect) instead
Some applications can only access COM1 or COM2. In this case, you can
reassign this port using the change port command; for example change port
com1: = dcomx, where x is the DirectICA station number for which to reassign
the port.
Serial port operation does not depend on the status of the DirectICA station.
The serial port is available even if the DirectICA station is disabled.
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The printer port and second COM port on Maxspeed MaxStations are system-
wide devices. All users logged on to that MetaFrame server can print to printers
connected to these ports. These printers can also be shared across a network. Just
like printer ports physically connected to a Windows NT server, only
administrators can add printers connected to Maxspeed MaxStation printer ports.
Serial and printer port support is manufacturer-dependent and not a function of the
DirectICA software. At present, only Maxspeed MaxStations support using these
ports with DirectICA for MetaFrame.
Printer port operation does not depend on the status of the DirectICA
station. The printer port is available even if the DirectICA station is disabled.
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To add a printer connected to a DirectICA station
1. Open the Printers folder: click the Start button, point to Settings, and then
click Printers.
2. Double-click Add Printer.
3. Select My Computer and click Next.
4. In the Available ports box, select the port the printer is connected to and then
click Next.
The DirectICA parallel ports are listed as \\.\DLPTx and the DirectICA COM
ports are listed as \\.\DCOMx, where x is the station number of the DirectICA
station.
5. Continue following the instructions of the Add Printer Wizard.
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