Sdh/Sonet Transmitter Clock Accuracy; Description; Equipment Required; Procedure - HP 37718A Installation And Verification Manual
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 Transmitter Clock Accuracy
SDH/SONET Transmitter Clock Accuracy
Specification
Description
The test uses a Frequency Counter connected to the Multirate Analyzer
module Clock Trigger output port. This output is derived from the Clock
module internal 10MHz clock oscillator providing a 51.84 MHz that is
directly related to all SDH/SONET output rates.
Equipment Required
Frequency Counter
Procedure
1 Recall the HP37718A/19A DEFAULT SETTINGS as shown on Page 3-
2.
2 Set the Transmitter Output to SDH/SONET.
3 Connect the HP37718A/19A Multirate Analyzer module CLOCK
TRIGGER port to the Frequency Counter Input A, set the input
termination to 50
4 Adjust the Frequency Counter Trigger Level to obtain a stable reading
and ensure that the Frequency Counter reads between 51.839670
MHz and 51.840230 MHz.
5 Disconnect all the test equipment.
Bit Rate
Accuracy
51.84 Mb/s
4.5 ppm
: HP 5335A Option 010
Ω
.
3-51
Advertisement
Table of Contents
