Installation Manual

1027145–0001 Revision D 7–8 Commissioning HTs Hub installation
Perform the applicable tests described below if the newly installed
HT meets the listed requirements. If the HT does not yet meet
these requirements, perform the tests at a later time.
This test verifies the DS1 connection from the HT to the RT.
Requirements
The 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.
• DS1 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 of the RT SSI used for the test, as illustrated
in figure 7-1.
Figure 7-1 HT to RT connection test setup
T0006029
DS3
mux
Bit error
rate test
set
P
a
t
c
h
p
a
n
e
l
HT
RT
P
a
t
c
h
p
a
n
e
l
Loopback
connector
QRSS (2E20-1
pseudo-random)
test pattern
DS1 DS3 DS3
Over the air
interface
DS1
Hub site
Customer premises
Test procedure
1. Connect a DS1 test set to the out/input points at the patch
panel.
2. Select:
- QRSS (quasi random signal source) test pattern
- Recovered clock
- DS1 interface
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).
7.3
HT to RT connection
tests
DS1 test