RECEIVE PATH
Integrated T1/E1/J1 Short-Haul and
Long-Haul Protection Switch
LINE CARD 1
RTIP
LIU RX
RRING
LINE CARD 2
RTIP
LIU RX
RRING
LINE CARD 3
RTIP
LIU RX
RRING
MAX4670
COM1
NO1
COM2
NO2
1:1
Rr
Rr
PROTECTION
BUS
MAX4670
COM1
NO1
COM2
NO2
1:1
Rr
Rr
MAX4670
COM1
NO1
COM2
NO2
1:1
Rr
Rr
BACKUP LINE CARD
RTIP
LIU RX
RRING
Figure 9. Adjacent-Card-Architecture Receive Path
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