Paradyne Hotwire 7974, User Manual

Page: 88 / 165

Testing
6-18
7970-A2-GB20-00 August 1999
Telco-Initiated Tests (Models 7974, 7984)
The Hotwire 7974 and 7984 Standalone Termination Units support Telco-initiated
tests as shown in the following table.
Activation and
Deactivation
Line Loopback Payload Loopback
Remote Line
Loopback
In-Band Signal Supported Not Applicable Supported
Bit-Oriented Supported Supported Supported
Message-Oriented Not Applicable Not Supported Not Applicable
Telco-Initiated Line Loopback
The Hotwire 7974 and 7984 Standalone Termination Units support line loopback
as specified in AT&T TR 54016, AT&T TR 62411, and ANSI T1.403. A
Telco-initiated line loopback loops the received signal on the DSX-1 interface
back to the DSX-1 interface without modification. Framing, CRC, and FDL bits
are returned unaltered, and no BPVs or other line coding errors are removed.
CAP
DSL
Port DSX-1
Port
CAP T1
LIU
Framer Framer Transceiver
99-16252
All Ones
Telco