Tracing D Channel Messages; Capturing Messages - JDS Uniphase HST-3000 User Manual

Tracing D channel messages

Capturing
messages
The Tracer test function allows you to trace D channel
messages to troubleshoot problems with call establishment.
You can view current messages or retrieve previously saved
messages. For information on interpreting the messages, see
"Interpreting D channel decode messages" on page
NOTE:
DTMF tones are not available when tracing D channel mes-
sages.
The following procedure describes how to capture D channel
messages.
To capture D channel messages
1 Select Tracer from the test function screen (see
"Selecting a test function" on page
The Tracer screen appears.
2 Verify your test settings. (See
page 52)
3 Connect to the line. (See
page 68
4 Verify that the Sync LED is illuminated to ensure that the
HST is synchronized with a valid signal.
HST-3000 E1 Testing User's Guide
Chapter 3 ISDN PRA testing
Tracing D channel messages
50).
"Specifying test settings" on
"Connecting to the line" on
106.
95