Table 3, Communication interfaces – Nortel Networks Instant Internet 400 Unit User Manual
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Chapter 3 Instant Internet 400 hardware installation
300867-G
shows the communication interface cards available for your Instant
Internet 400 unit.
Table 3 Communication interfaces
Interface name Interface card
Type
ISDN
ISDN interface card (United
States) with one RJ-45
connector (does not support
NT1).
ISDN
ISDN interface card
(international) with two RJ-45
connectors (supports NT1).
Dialup
(Analog)
Note: Depending on the type of analog modem card
you have, the placement of the jacks may be reversed.
Be sure to read the labels of the jacks before you plug in
any cables.
Analog modem interface card
with one RJ-11 connector for
the phone (outgoing to modem)
and one RJ-11 connector for the
Telco (incoming from wall jack).
Note: If you have a dual analog
unit, the first modem is located
in slot A and the second modem
is in slot B.
Serial-1 (port 0)
Serial-2 (port 1)
X.21 interface card (leased-line)
with one 26-pin connector for
X.21port 0 and one 26-pin
connector for X.21 port 1.
9287EB
RJ-45
ISDN
9288EB
RJ-45
ISDN
RJ-45
ISDN
9289EB
RJ-11
Telco
RJ-11
Phone
9290EB
26-pin
X.21 Port 0
26-pin
X.21 Port 1