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Installation and Verification Manual
9 Set the Test Set to display the Frequency Measurement and
ppm Offset results and check these are between:
1543993 and 1544007 Hz.
10 Change the test setup as follows. Disconnect the loopback
connection between Test Set Tx/Rx then connect the
Transmission Test Set DS1 Clock Out port to the Test Set DS1
Receive port using the Bantam to Bantam cable.
11 Check there are no Alarms/Errors indicated by the Test Set
Receiver.
12 Set the Test Set to display the Frequency Offset Measurement
result and check this is between:
13 Subtract the ppm Test Set error noted in step 9 from the
result in step 12 to give the Transmission Test Set
Transmitter DS1 Bits frequency error in ppm and check this
is between:
14 Test Complete.
–4.5 and +4.5 ppm
–9 ppm and +9 ppm
–4.5 ppm and +4.5 ppm
Performance Tests
77
3
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