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Timing Options
Network Receive T1 Data
Timing
S1
Source
1
Recovered
Receive
T1 Clock
To
Network
Network Send T1 Data
Figure D-4
076R155-000
Issue 7
SC553 CSU/DSU
2
3
Tx
7
Mux
Cascade Timing with a Network Timing Source
SpectraComm 553 Fractional T1 DSU
Installation and Operation Manual
Timing Option Descriptions
CH. Receive Data
Receive
Buffer
Clock
Translator
4
Cascade Receive DSX-1 Data
Cascade Send DSX-1 Data
CH. Send Data
Transmit
(Send)
Buffer
CH. Rcv Clk
5
To Remote
Cascade
6
Equipment
CH. Tx Clk
D-7
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