Chapter 5: Setting Up WAN Firmware and Hardware

 

 

 

 

Option

Description

 

 

Facility Data Link

Facility Data Link protocols are used to exchange

Protocol(s)

messages between the adapter and the remote end of the

 

network. Such messages are issued by the Telco to put

 

the adapter 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: the

 

ANSI-T1-403 and the ATT-54016 protocol. Both are

 

compatible with each other.

 

Use the protocol(s) indicated by your Telco. If this

 

information is unavailable, the best choice is to use both

 

protocols.

 

 

iSPAN PRI PCI ISDN Users Guide

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