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RS-232/RS422
Software
description
Terminal Server
POWER
Serial Ports
1
Figure 4: Hardware description - 102/104 Terminal Server
1
Power Indicator
2
Network indicator
3
Reset switch cover
4
Port activity indicators
5
10BASE-T socket
6
Power input socket
Functionally, the difference between RS-232 and RS-422
versions is the absence of support for hardware flow control
lines (RTS and CTS) and modem control lines (DSR, DTR and
DCD) in the RS-422 version. The performance and support
for 115.2k baud are unaffected by the different serial ports.
RS-422 uses differential signalling and is capable of handling
longer distance due to superior noise immunity when
installed with suitable cabling.
The Terminal Server comes with the Software Support Disk.
This disk contains the latest 'released' firmware and the
redirector software for Unix systems called ioland . The
firmware is a backup copy and generally not used. The
ioland software is used for setting up printers and dial-out
modems on Unix.
NET
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Introduction
724-746-5503
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