Timing Options
Timing Option Descriptions
D-8
SpectraComm 553 Fractional T1 DSU
076R155-000
Installation and Operation Manual
Issue 7
Figure D-5
Cascade Timing with a Cascade Timing Source
Receive
Buffer
Transmit
(Send)
Buffer
SC553 CSU/DSU
Network Receive T1 Data
Clock
Translator
CH. Receive Data
CH. Rcv Clk
Network Send T1 Data
Recovered
Receive
T1 Clock
CH. Send Data
CH. Tx Clk
S1
Timing
Source
1
2
Tx
Mux
To
Network
Cascade Receive DSX-1 Data
To Remote
Cascade
Equipment
Cascade Send DSX-1 Data
3
