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2-1
3162-A2-GB20-30
March 1999
Installation
2
Overview
This chapter contains information for installing your DSU/CSU. It includes
application examples, cabling, and power-up information.
Application Examples
The DSU/CSU acts as an interface between the T1 digital network and the
customer’s equipment.
The DSU/CSU is connected to the customer’s equipment through one of the
synchronous data ports (PORTs 1– 2) or the DTE Drop/Insert (DSX-1) interface. It
is connected to the T1 digital network through the network interface.
Some common applications for the DSU/CSU are:
H Point-to-Point LAN interconnection (Figure 2-1).
H Shared access to network-based services (Figure 2-2).
H Fractional T1 network applications (Figure 2-3).
NETWORK
496-15218
DSU/CSU
DSU/CSU
LAN
ROUTER
LAN
ROUTER
Figure 2-1. Point-to-Point Application Example