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MERLIN LEGEND Communications System Release 6.1
Installation
555-661-140
Issue 1
August 1998
Connecting the Control Unit to the Network Interface
Page 4-17
Installing the Channel Service Unit
■ The ACCULINK front panels include an LCD display and 7-button
keypads composed of three functional and four directional keys.
■ They contain integral 2400-bps modems for remote access and
alarm reporting.
■ The front-panel LEDs are labeled and colored differently from the
ESF T1 CSU.
■ The NETWORK connectors on the rear of the ACCULINK models
are 8-pin modular jacks (RJ48C) instead of male 15-pin
D-connectors. Cables are shipped with the units for the
CSU-to-Smart Jack connection.
■ There are no DIP switch options. All options are set via software
commands. Access the options in the following ways:
— Locally, from the front panel
— Remotely, using the integral 2400-bps modem. The front
panel of a local ACCULINK, in Passthrough mode, can
access and option a remote CSU
— Locally and remotely, through the COMPORT connector on
the rear and a PC loaded with a Windows
software
package (available at an extra charge from Paradyne)
NOTE:
If you are upgrading to Release 6.0 or 6.1, make sure the
CSU is programmed for PRI signalling at either end of a PRI
tandem trunk. You may have an existing setting for T1 or
robbed-bit signaling rather than PRI signaling. If the CSU is
not set for PRI signalling, you will get an error message,
“PRI D-channel inoperative.”
The ACCULINK CSUs come equipped with two factory-set option
configurations: Factory 1 (Fact 1) and Factory 2 (Fact 2). They leave the
factory set at Fact 1. Two of the default parameters in Fact 1 are
ESF/B8ZS. In the Fact 2 setting, two of the default parameters are
D4/AMI.