Stm-1/Sts-3 Transmitter Output Waveshape; Specifications; Description; Equipment Required - HP 37718A Installation And Verification Manual

N OTE
Performance Tests

STM-1/STS-3 Transmitter Output Waveshape

STM-1/STS-3 Transmitter Output Waveshape
Specifications
Pulse Shape
Amplitude

Description

An Oscilloscope is connected to the HP 37718A/19A Transmitter STM-1/
STS-3 output and used to view the waveforms with All Ones and All
Zeros patterns selected in turn. The displayed waveshape is checked
against the relevant mask. The STM/STS Framing is disabled during
this test.

Equipment Required

Oscilloscope
Ω
75 Termination
T Connector

Procedure

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.
Installing the Telecom Masks Option
1 Insert the Disk containing the Telecom Mask into the Oscilloscope
Disk Drive.
2 Press
(Blue Key)
SHIFT
3 Press
DIRECTORY
3-70
Meets ITU Recommendation G.703
± ±
0.5V 10%
: HP 54520A - option 001
: HP 15522-80010
: HP 1250-0781
DISK
then
ROOT DIRECTORY
.