Cabletron Systems SSIM-A8-01 Spécifications Page 51

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9032563 E1 WAN Application
5-1
Chapter 5
WAN Application
Wide Area Network (WAN) data link technology is generally used to implement point-to-point
connections between devices. This chapter describes the views accessed from the WAN application.
WANs, or wide area networks, connect networks or devices separated by long distances. A phone
company, or similar common communications service with analog telecommunications circuit
equipment, usually provides the interconnection. The circuitry itself ranges from ordinary
telephone circuits to specialized high-speed telecommunications circuits. Examples of WAN
technologies include Frame Relay, Switched Multimegabit Data Service (SMDS), X.25 and
Asynchronous Transfer Mode (ATM).
Most telecommunications common carriers provide high-speed T1 and T3 transmission facilities,
which have 1.544 megabit per second (Mbps) and 45 Mbps digital transmission rates, respectively.
CtWANApp, the Cabletron proprietary MIB for the WAN application, references RFC 1406.
WAN Views
There is one application-specific view accessed from the CtWANApp Icon
Subviews menu: the WAN Connection Table View.
The WAN Connection Table View is shown in Figure 5-1.
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