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2 wan connection, 3 atm connection – Hitachi GR2000 User Manual

Page 101

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Product Overview

GR2K-GA-1002

2-45

Rev 6.03

2.5.2.2

WAN Connection

The following WAN connections are possible:

Leased line connection

Connects to a leased line via modem.

Highspeed digital line connection

Connects to a highspeed digital leased line via DSU.

Frame relay network connection

Connects to a frame relay network via DSU.

Ultrahighspeed digital line connection

Connects to a ultrahighspeed digital line via DSU.

ISDN Network Connection

Connects to an ISDN network via DSU.

2.5.2.3

ATM Connection

Connects to ATM Service via DSU/ONU.

Leased Line

Device

Device

M

M

M Modem

Device

Device

Highspeed Digital Line

DSU

DSU

Device

Device

Frame Relay Network

DSU

DSU

Device

Device

Ultrahighspeed Digital Line

DSU

DSU

Device

Device

ISDN Network

DSU

DSU

Device

Device

ATM Service

DSU/ONU

DSU/ONU