3-16
Performance Tests
PDH/DSn Transmitter Output
Equipment Required
Procedure
NOTE This performance test is written using the HP 54520A Oscilloscope with
Option 001 - Telecom Masks Application. If any other Oscilloscope is used
the keystrokes given in this procedure will not apply.
The Positive pulse masks are contained in the ROOT directory of the
Telecom Mask Application Disk and the Negative pulse masks are in the
INV_MASK directory.
Installing the Telecom Masks Option
1 Insert the Disk containing the Telecom Mask into the Oscilloscope
Disk Drive.
2 Press SHIFT (Blue Key) DISK
3 Press softkey then softkey
139.264 Mb/s - All 1’s Pulse
1 Recall the HP 37718A Default Settings as shown on page 3-4.
2 Set the display as shown below.
Oscilloscope : HP 54520A Option 001
110Ω/75Ω Balanced to
Unbalanced Converter
: HP 15508B
75Ω Termination
: HP 15522-80010
DIRECTORY ROOT DIRECTORY
TRANSMIT
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