HP 37718A Installation And Verification Manual page 32

CLOCK TRIGGER
DCC
PROTECTED
MONITOR POINT
INPUT
Installation
Connecting to the Network
Reference SDH/SONET clock trigger output 51 MHz; nominal +/- 400
mV into 50 ohms.
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:
Table 1
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
52/155/622 Mb/s (NRZ); Line Code NRZ; Level nominal 1 V p-p into 50 ohms;
SMA connector.
2-8
DCC Connector Pin-out
Connection
Shield Ground
Data input for Tx(-)
Tx Clock
Data Output from Rx(-)
NC
Rx Clock(-)
NC
Signal Ground
Data Input for Tx(+)
Tx Clock(+)
Data output from Rx(+)
NC
Rx Clock(+)
NC
NC