Verilink Access Manager 2000 (896-502037-001) Product Manua Manual de usuario Pagina 105

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Configuring the site
Access Manager 2000 User Manual
4-19
The connection choices and their descriptions are as follows:
Type of connection Description
Direct
Either:
Hardwired to a node.
Connected to a node through a pair of full-time (dedicated)
modems using a dedicated facility.
Connected to a node via a dedicated port into a
multiplexer and conveyed in the multiplexer’s payload.
Modem
Call/Answer
This choice provides dial-out call to a node and dial-in call
from a node. A
Modem Call/Answer
Comline uses the
Hayes
AT command set at 1200, 2400, or 9600 (for AS2000
equipment only) baud.
If a combination of 1200-baud and 2400-baud call/answer
modems are connected to the computer, install the 2400
baud modems with higher Comline numbers than the 1200-
baud modems. If answer-only modems are connected, install
them with higher Comline numbers than the call/answer
modems. If multiple modems are used for alarm reporting,
their phone lines should be installed by the telephone
company or in a PBX (direct inward dial) as a hunt group.
This allows the hunt group master number to be used as an
alarm report number for all nodes. If you configure a Comline
for 9600 baud, that comline cannot be used to query a node
configured for 1200 baud although on incoming calls to
Access Manager, a 9600-baud modem adapts to the baud
rate (1200, 2400, or 9600) of the incoming call.
Modem Answer
Only
Dial-in call (from a node) only. A
Modem Answer Only
Comline (normally used with INWATS lines) uses the Hayes
AT command set on a modem at 1200, 2400, or 9600 baud.
ComDesign Mux
Connection to multiple nodes through a routing multiplexer
such as a ComDesig nRS2000 Statistical Multiplexer. Refer
to the ComDesign Multiplexer manual for proper
configuration of the multiplexer.
X.25 PAD
For use with AS2000 (NCC 2020) only.
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