NETGEAR XM128 ISDN - Manual (Page 23)

Reference Guide for the Model XM128 ISDN Digital Modem
Introduction 1-3
Interface Options
Several interfaces are available. Table 1-1 lists the interface options for the Model XM128 modem
as applicable for each region.
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.
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)
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
7848MEA
DTR DSR RTS CTS TD D PWR B1 B2 AA CP
ISDN
RD
1 2
ISDN Digital Modem
INTERFACE
128Kpbs
MODEL XM128 S
COM
2 3 4 1