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HSIM-W84 Installation Guide 2-1

About the HSIM-W84

The HSIM-W84 (

Figure 2-1

) is a Wide Area Network (WAN) Remote Access High Speed

Interface Module (HSIM). The HSIM-W84 supports OSI Layer 2 Inverse Multiplexing (IMUX)

across groups of two, three, or four T1 ports, IEEE 802.1d transparent bridging, and IP/IPX

Routing. In addition, the ASYNC port connector can be used as a local console connection.

Figure 2-1 The HSIM-W84

HSIM-W84 Hardware

This section details the HSIM-W84 hardware capabilities.

WAN Connection

In Inverse Multiplexing mode, the HSIM-W84 uses a proprietary protocol based on Point-to-Point

Protocol (PPP). The HSIM-W84 supports PPP, and Frame Relay protocols through the four T1

interfaces in bridging or routing mode.

•

The HSIM-W84 provides four T1 interfaces through four front panel RJ45 ports. Each port

includes a built-in Channel Service Unit/Digital Service Unit (CSU/DSU) for direct

connections to T1 lines. The HSIM-W84 provides both Full T1 or Fractional T1 using

56 or 64 Kbps timeslots, with a total throughput of up to 1.544 Mbps per T1 interface.

2360-01

CPU

HSIM-W84

TELCO

CPU

T1-1

LNK

STS

T1-4

LNK

STS

T1-3

LNK

STS

T1-2

LNK

STS

ASYNC

LNK

STS

Status

Link

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Cabletron Systems HSIM-W6 Installationsanleitung Seite 13