HP 37718A Installation And Verification Manual page 134
Communications performance analyzer
Hide thumbs
Also See for 37718A:
- User manual (190 pages) ,
- Installation and verification manual (202 pages)
Table of Contents
Advertisement
Performance Tests
SDH/SONET Receiver Equalization
SDH/SONET Receiver Equalization
Specifications
Rate
STM-0/STS-1 - 51.84 Mb/s
STM-1/STS-3 - 155.52 Mb/s
Description
The Receiver Equalization is checked by looping the transmitter output
to receiver input through a special Cable Simulator. This device is
designed to simulate the specified cable loss at the rate under test. A
BER measurement is run and a check made for no errors in the results
page.
Equipment Required
Cable Simulator STM-0/STS-1 50 metres of 8120-0049
Cable Simulator STM-1/STS-3 75 metres of 8120-0049
Procedure
STM-0/STS-1
1 Recall the HP37718A/19A Default
Settings as shown on page 3-2 and
set the
OTHER
SETTINGS
display as shown
CONTROL
opposite.
3-66
Equalization
12dB for root f cable at 1/2 bit rate
12dB for root f cable at 1/2 bit rate
Advertisement
Table of Contents
