Stm-0/Sts-1 Transmitter Output Waveshape; Specifications; Description; Equipment Required - HP 37718A Installation And Verification Manual

Performance Tests

STM-0/STS-1 Transmitter Output Waveshape

STM-0/STS-1 Transmitter Output Waveshape
Specifications
Level
Cross-Connect 530 mV peak (nominal). Compliant with GR-253, Issue
(450 feet) 1, Figure 4-10 and draft recommendation ITU-R F.750,
Appendix1
HIGH 1 V peak (nominal)
LOW 300 mV peak (nominal)

Description

An Oscilloscope is connected to the HP 37718A/19A Transmitter STM-0/
STS-1 output and used to check the STM-0/STS-1 waveshape against the
relevant mask.

Equipment Required

Oscilloscope
Ω
75 Termination
T Connector

Procedure

Positive Pulse
1 Recall HP 37718A/19A DEFAULT SETTINGS as shown on page 3-4
and set up the
TRANSMIT
3-66
Pulse Amplitude & Shape
: HP 54520A Option 001
: HP 15522-80010
: HP 1250-0781
display as shown on the following page.