User manual
Installing and Operating BayStack ARN Routers
1-18 114200 Rev. A
Connecting to a DSU/CSU Interface
You can connect a DSU/CSU cable to any ARN that contains a DSU/CSU adapter
module.
To connect to a DSU/CSU interface:
1. Insert the DSU/CSU cable connector into the DSU/CSU interface labeled
DDS (F
igure 1-12).
Figure 1-12. Connecting a DSU/CSU Cable
2.
Connect the other end of the cable to a digital line (for example, a digital
line wall jack that connects to an office channel unit [OCU]).
ARN0065A
DDS
TxD
RxD
CD
Test
1
2
56K/64K
DSU/CSU
Tx
Rx
Cl
Tx
Rx
Cl
10BaseT
Ethernet 1
10BaseT
Ethernet 2
COM
RLSD
Serial
To
digital line
wall jack