Paradyne 7112 manual Typical DSU/CSU Configurations, Typical Configuration through a T1 network

About the T1 DSU/CSU

HManagement. Provides management via:

ÐASCII terminal connection through the Terminal port

ÐExternal modem through the Terminal port

ÐTelnet through the Ethernet port or the FDL

ÐSNMP through Ethernet port or the FDL

HAlarm Indication. Activates front panel LEDs.

HDiagnostics. Provides the capability to diagnose device and network problems and perform tests, including digital loopbacks, pattern tests, and self-test.

HDevice and Test Monitoring. Provides the capability of tracking and evaluating the unit's operation, including health and status, and error-rate monitoring.

HSecurity. Provides multiple levels of security, which deters unauthorized access to the DSU/CSU.

Typical DSU/CSU Configurations

Figures 1-1and 1-2show typical LAN/WAN interconnection applications for the DSU/CSU. The routers connected to the DSU/CSU at each location provide the LAN interconnection.

Router

T1	Router
DSU/CSU	DSU/CSU
	98-15688-01

Figure 1-1. Typical Configuration (through a T1 network)

Two SNMP DSUs can be connected back-to-back to act as Local Area Data Sets.

Router		Router
DSU/CSU	DSU/CSU	98-15697-01

Figure 1-2. Typical Configuration (DSU/CSU to DSU/CSU)

1-2 March 1998 7112-A2-GB20-20