Nortel Meridian 1 Option 11C Manual page 82

Page 82 of 100 ISL Implementation
553-3011-310 Standard 13.00
Using Dial-up modems
The requirements for using a dial-up modem are:
Hardware
NT8D09
NTAK02
Modem
NTAK19BA
Figure 16
ISL in Dedicated Mode using Dial-up Modem
Option 11
DCHI
500
line
TIE
TIE
January 2002
Comments
500 set line card
D-channel Handler Interface (DCHI) Card (for
ISL mode)
Modem capable of the following: (such as Ventel
2400-33 or 2400 Plus II)
-minimum of 2400 baud
-synchronous operation
-Modems are programmed such that one
modem originates the call while the other
auto-answers
-auto-dial capability
Four port break out cable
modem modem
twisted
pair
ISL D-channel
ISL TIE trunks
Meridian 1 or SL1
DCHI
twisted
500
pair
line
TIE
TIE
553-8292