Technical data

Installing and Operating BayStack ARN/DC Routers
1-16
116273-B Rev 00
Connecting to the 56/64K DSU/CSU Interface
You can use the DSU/CSU interface for direct connection to Telco leased line
circuits. The integrated DSU/CSU supports either 64-Kb/s Clear Channel or
56Kb/s DDS services.
To connect to a DSU/CSU interface:
1.
Connect the Telco cable to the DSU/CSU interface (Figure 1-11).
Figure 1-11. 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).
ARN0065A
DDS
TxD
RxD
CD
Test
1
2
56K/64K
DSU/CSU
Tx
Rx
Cl
Tx
Rx
Cl
10BaseT
Ethernet 1
10BaseT
Ethernet 2
To
Digital line
wall jack
S/T
ISDN BRI
ARN
f
ron
t
pane
l