User's Manual

1027145–0001 Revision E Commissioning HTs 7–15Hub installation
This test verifies the fractional DS1 connection from the HT to the
RT.
Requirements
The fractional DS1 test described below requires the following:
• The HT must be operational and in contact with the EMS.
• The RT must be fully installed, commissioned, and in
contact with the EMS through the hub.
• DS3/DS1, fractional DS0 services must be configured and
provisioned.
• There must be no alarms present at the RT location.
• A loopback connector must be connected to the input/out
port connector on the RT DS1 SSI used for the test. (See
figure 7-1.)
Test procedure
1. Connect a DS3 test set to the out/input points at the patch
panel.
2. Select:
- C bit framing
- Recovered clock
- DS3 interface
- QRSS test patten
The fractional DS1 services may be dropped and tested after
connecting a DS1/DS0 test set to the input/output ports of
the DS3 test set.
The DS3 test set and HT may be timed from the same
source.
3. Run the test for 1 hour.
Results
The HT passes if there are no errors and no clock or frame slips
during the test.
Record the results on the form on the following page (or make a
photocopy).
Fractional DS1 test