User's Manual

1027144–0001 Revision D 7–18 Commissioning the RT
RT installation
Perform the applicable tests described below if the newly installed
RT meets the listed requirements. If the RT/network does not yet
meet these requirements, perform the tests at a later time.
This test verifies the DS1 connection from the RT to the HT.
Requirements
The DS1 test described below requires the following:
• The RT must be fully installed, commissioned (except for
tests), and in contact with the EMS through the hub.
• The HT must be operational and in contact with the EMS.
• 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 of the patch panel, as illustrated in figure 7-8.
Figure 7-8 RT to HT connection test setup
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
Hub site
Customer premises
Loopback
connector
QRSS (2E20-1
pseudo-random)
test pattern
DS1
DS3 DS3
DS1
Over the air
interface
T0009007
Test procedure
1. Connect a DS1 test set to the out/input points at DS1 RJ–48
port on the SSI board.
2. Select:
- QRSS (quasi random signal source) test pattern
- Recovered clock
- DS1 interface
3. Run the test for 1 hour.
Results
The RT 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).
7.9
RT to HT connection
tests
DS1 test