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72
Installation and Verification Manual
3
Performance Tests
9
Set the Test Set to display the Frequency Measurement and
ppm Offset results and check these are between:
1543993 and 1544007 Hz.
–4.5 and +4.5 ppm
10
Change the test setup as follows. Disconnect the loopback
connection between Test Set Tx/Rx then connect the
OmniBER OTN 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:
–9 ppm and +9 ppm
13
Subtract the ppm Test Set error noted in step 9 from the
result in step 12 to give the OmniBER OTN Transmitter DS1
Bits frequency error in ppm and check this is between:
–4.5 ppm and +4.5 ppm
14
Test Complete.
panther3_iv.book Page 72 Wednesday, January 15, 2003 12:03 PM
Содержание OmniBER J7230A
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