Performance Tests
3
Installation and Verification Manual
77
(External 10M Clock as Reference)
8
Now set the instrument to
External Clock, 10M Ref.
9
Disconnect the 10M Reference signal from the PDH/DSn Test
Set and connect it directly to the OmniBER OTN as shown in
the diagram above.
10
Repeat
through
(External 2M Unbalanced Data as Reference)
11
Re-connect as in the diagram below.
12
Change the OmniBER OTN
External Clock
,
Format
setting
to
2 Mb/s Data
.
13
Change the 2 MHz CLOCK OUT connection at the PDH/DSn
Test Set to connect the Transmit 2 Mb/s DATA out BNC to the
OmniBER OTN CLOCK IN BNC port.
14
Ensure the PDH/DSn Test Set Transmitter is set as follows.
SIGNAL to 2 Mb/s rate
10MHz Reference to External 10M Clock Input
PDH/DSn Test Set
2 Mb/s DATA OUT
UNBAL/BAL
2 MHz Clock O/P
Matching pad
and/or termination
53181A Counter
Counter 10 MHz
Reference OUTPUT
OmniBER OTN
panther3_iv.book Page 77 Wednesday, January 15, 2003 12:03 PM
