Figure 4-5. backup v.35 interface switch – Comtech EF Data SMS-758 User Manual
Page 79
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SMS-758 Modem Protection Switch
Theory of Operation
MN/SMS758 Rev. 3
4–19
DATA PATH
SELECTION
TRANSMIT CLOCK
TRANSMIT DATA
RECEIVE DATA
RECEIVE CLOCK
RECEIVE EXTERNAL REFERENCE CLOCK
MOD AND DEMOD FAULTS
DECODER
INSTRUCTION
BACKUP
DATA I/O
DATA SWITCH
MOTHERBOARD
MOD RELAYS
DEMOD RELAYS
Figure 4-5. Backup V.35 Interface Switch
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