Reference Guide for the Model XM128 ISDN Digital Modem

Interface Options

Several interfaces are available. Table 1-1 lists the interface options for the Model XM128 modem as applicable for each region.

Table 1-1.

Interface options

 

 

 

 

 

 

 

 

 

 

 

 

XM128NA

XM128GE

XM128UK

XM128AU

XM128JP

 

 

 

 

 

 

 

Unit

 

XM128U

XM128S

XM128S

XM128S

XM128D

 

 

 

 

 

 

 

Region

 

North America

Germany

UK

Australia

Japan

 

 

 

 

 

 

 

Interface

 

U (internal NT-1)

S/T

S/T

S/T

Internal DSU

 

 

 

 

 

 

 

 

 

Auto SPID Switch

 

 

 

 

 

 

 

 

 

 

 

For the North American ISDN, NETGEAR provides an optional 2B1Q U interface to allow direct connection to the network without the use of an external NT-1 device.

Front Panel

For easier management and control of the Model XM128 modem, familiarize yourself with the components on the front panel, as illustrated in Figure 1-1 and Figure 1-2. Use the key at the bottom of each illustration to identify the panel components.

1

2

3

4

 

 

 

S

INTERFACE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

128Kpbs ISDN Digital Modem

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PWR

 

 

 

 

D B1 B2 AA CP

 

DTR DSR RTS CTS TD RD

 

 

 

 

 

 

 

 

 

 

 

ISDN

 

 

 

 

 

COM

MODELXM128

1 2

7848MEA

Key:

1 = PWR (power) LED

2 = ISDN LEDs

3= RS-232 COM LEDs

4= PHONE 1 and PHONE 2 LEDs

Figure 1-1. Front panel of the Model XM128 modem (with S/T interface)

Introduction

1-3

Page 23
Image 23
NETGEAR XM128 ISDN manual Front Panel, Interface Options, Interface options