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Chapter 5: Setting Up WAN Firmware and Hardware
5536 PRI RAS Communications Controller Users Guide 85
Setting Up Digital Modem Port Properties
If the 5536 Digital Modem RAS Support driver is installed on
the machine, you can use the WAN Adapters Setup Utility to
change the board’s digital modem port properties. These
properties identify the speech coding law to use with modems
in your geographic location.
To set up digital modem port properties:
1. Select the digital modem port (x Digital Modems
where x is the number of modems on the board) in the
Facility Data
Link Protocol(s)
Facility Data Link protocols are used to exchange
messages between the board and the remote end of the
network. These messages are issued by the Telco to put
the board in loopback mode for testing when problems
occur. They are also used to transmit statistics about
physical transmission errors on the line.
Two protocols are available for the facility data link:
ANSI-T1-403 and ATT-54016. They are compatible
with each other.
Use the protocol(s) indicated by your Telco. If this
information is unavailable, select both protocols.
Option Description