ISDN Interfaces
5-20
Strata CTX I&M September 2002
RBSU/RBSS Passive Bus Configurations
Figure 5-17 Point to Point Wiring
Figure 5-18 Short Passive Bus Wiring
Figure 5-19 Extended Passive Bus Wiring
CT I&M fig 14
400m (CW1308) / 800m (CW 1700 or 1750)
Wiring
Point to point
Maximum number of sockets =1
Maximum number of terminals connected = 1
Pin number 1
Pin number 8
Grey RJ45 socket
Top
of
RBSU
Unit
Socket with
terminating resistor
CT I&M fig 15
100m (CW1308) / 150m (CW 1700 or 1750)
Wiring
Short Passive Bus
Maximum number of sockets = 12
Maximum number of terminals connected = 8
Pin number 1
Pin number 8
Grey RJ45 socket
Top
of
RBSU
Unit
Socket with
terminating resistor
CT I&M fig 16
250m (CW1308) / 400m (CW 1700 or 1750)
Wiring
Extended Passive Bus
Maximum number of sockets = 12
Maximum number of terminals connected = 4
Pin number 1
Pin number 8
Grey RJ45 socket
Top
of
RBSU
Unit
Socket with
terminating resistor
45m (CW1308) / 70m (CW 1700 or 1750)
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