2-9
Installation
Connecting to the Network
STM-1 / STM-4 IN
Allows connection of STM-1 / STM-4 optical input for SDH Jitter
Measurement.
2M REF IN
Allows the connection of a 2 Mb/s reference, either Clock or Data for
Wander measurement.
DEMOD OUT
Provides a demodulated Jitter output.
TRIG OUT
Not used in option 110 instruments.
RS 449
Allows the Drop and Insert of Regenerator Section (192 kb/s) and
Multiplexer Section (576 kb/s) Data Communication Channels (DCC).
The following connections are available:
Pin Number Connection
4 Send Data (A)
5 Send Timing (A)
6 Receive Data (A)
8 Receive Timing (A)
19 Signal Ground (Chassis)
22 Send Data (B)
23 Send Timing (B)
24 Receive Data (B)
26 Receive Timing (A)
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