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Installing and Operating BayStack ARN Routers
C-12
114200 Rev. A
56/64K DSU/CSU Interface
The ARN supports DSU/CSU connectivity using an optional DSU/CSU adapter
module. The integrated DSU/CSU functionality allows you to connect directly to
a dataphone digital service (DDS) line. This solution reduces equipment costs and
simplifies connection to a wide area network.
Table C-10
lists the DSU/CSU interface pin assignments.
Table C-10.
DSU/CSU Interface Pin Assignments
Pin Assignment
Pin No.
Signal
1
TD (Ring)
2
TD (Tip)
3
Not used
4
Not used
5
Not used
6
Not used
7
RD (Tip)
8
RD (Ring)
1 2 3 4 5 6 7 8