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8-1
Chapter 8
HSIM-W87 Configuration
Configuring the T3 interface; configuring T1 connections; setting priority IP Addresses
The HSIM-W87 is a High Speed Interface Module that provides Wide Area Network
(WAN) services. The HSIM has a DS3 interface (T3), providing up to 28 separate DS1
connections (T1). The HSIM-W87 design provides WAN connectivity to any
SmartSwitch or Matrix E7 that supports HSIM connections.
The HSIM-W87 operates in a switching/bridging mode. With minimal user configuration,
the HSIM-W87 forwards data packets received by the host out the logical DS1 interfaces
(the T1 lines). It will also forward packets received on the DS1 interfaces to or through the
host. Up to 16 IP addresses can be configured for priority transmission across the
HSIM-W87.
The HSIM-W87 is configured using three windows: the T3 Configuration window, the T1
Configuration window, and the IP Priority Configuration window. These windows are
explained in the following sections.
The T3 Configuration Window
You can set certain variables for the DS3 interface using the T3 Config window. To access
the T3 Config window:
1. Click on the T3 port to access the Port menu. (To determine which port is a
T3, select I/F Type from the Port Status menu. The T3 port will be labeled
“DS-3”.)
2. Select HSIM W87 Config (T3). The T3 Config window, Figure 8-1, will
appear.