Installation (Getting Started)
2
Installation Manual
49
DCC/GCC Port and Trigger Ports
DCC/GCC Connector
R5449 15-way D-type.
Use this port to drop and insert OTN GCC channels (OTU GCC0,
ODU GCC1, ODU GCC2), the D1-D3 DCC channel or the D4-D12
DCC channel.
Rate
D1-D3 DCC: 192 kb/s, D4-D12 DCC: 576 kb/s, OTU/ODU
GCC0/GCC1/GCC2: 1.3124 Mb/s.
DCC/GCC Port Input Termination
100 ohms differential. The first
bit of data inserted will be put into the MSB of the DCC channel.
The MSB of the dropped data bytes will be output first. The
drop and insert capabilities are independent, meaning the
transmit and receive clock rates can be set to different rates.
Note that the instrument acts as a DCE (Data Communications
Equipment), supplying the clock signal for both drop and insert
operation.
Trigger Ports
SMA connectors. Use these ports to output
transmitter and receiver triggers.
Pin Number
DCC/GCC
1
Rx Data Output (+)
2
Rx Clock Output (+)
3
Signal ground
4
Tx Clock Output (+)
5
Tx Data Input (+)
6
Rx Data Output (-)
7
Rx Clock Output (-)
8
Tx Clock Output (-)
9
Tx Data Input (+)
Installation.book Page 49 Monday, January 12, 2004 1:13 PM
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