PictureTel Concorde 4500, Administrator'S Manual

Page: 177 / 250

Using the Diagnostics Menus
7-23
3. Change the number of channels to test by selecting Number of
Channels.
The following message appears:
❑
If you want to test one channel, press
ENTER
again.
❑
If you want to test two channels, select
Two
and press
ENTER
.
A message appears listing the number you selected.
4. Change the test data rate by selecting Test Data Rate.
The following message appears:
❑
If your system is conÞgured with an internal four-wire CSU
interface and you are not using the RS-449 port, press
ENTER
in response to this screen message
:
❑
If your system is conÞgured with RS-449 or another
interface, or you are using the RS-449 port on the internal
four-wire CSU, enter the
new test data rate, and press
ENTER
.
For example, you can enter a rate of 768 kbps when testing
one channel or a rate of 64 kbps when testing two channels.
A message appears listing the test data rate you entered.
Number of Channels [n] Two
Test Data Rate [nnnn]
Test rate for Switched-56 mode
MUST be 56 kb.
Automatically changed to 56 kb.
Use RS-449 mode for other rates.
One