Perle LINKSTREAM, Руководство по установке

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LINKSTREAM USER GUIDE
Page 9
The user channels on LINKSTREAM have 5 control lines
for modem access, 3 outputs (DCD, DSR, CTS) and 2 inputs
(RTS, DTR). The 2 inputs are monitored for call status
whilst 2 outputs (DCD and CTS) are used by LINKSTREAM
to control access. DSR is permanently 'ON' by being tied
high through a resistor.
LINKSTREAM is capable of working in 3 different modes
with a modem to suit every application :
1. Initiate call only (Dial Out)
2. Receive calls only (Dial In)
3. Bidirectional calls (Dial In/Out)
This User Guide only deals with bidirectional call set up.
Full details of configuration for each mode are available
in the
LINKSTREAM Range Reference Manual.
An optional ISDN2e Terminal Adaptor (TA) can be installed
in LINKSTREAM
. This can be used to replace one or both
of the WAN links with an ISDN interface running at 64Kbps
on each link.
We recommend that you configure your LINKSTREAM
before connecting the TA or serial link cable. The ISDN
cable is supplied with the TA. A second serial link cable
can be ordered separately for connection to a NTU.
MODEM CONTROLS
SECTION 2.0 CONNECTING TO YOUR LINKSTREAM
ISDN CONNECTION