Nortel Networks NN43001-301 - Manual (Page 229)

ISL hardware installation (dedicated mode) 229
Table 81
Dial-up modem requirements
Hardware Comments
NT8D09 500 set line card.
NTAK02 D-channel Handler Interface (DCHI) Card (for ISL
mode).
Modem 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
NTAK19BA Four port break out cable.
Figure 81
ISL in dedicated mode using dialup modem
ISL hardware installation (dedicated mode)
Use Procedure 37 "Installing ISL hardware" (page 230) to install hardware
for an ISDN Signaling Link (ISL) in dedicated mode using dedicated
leased lines. For shared mode, hardware installation is identical to the PRI
installation found in
"1.5 Mb PRI implementation" (page 195) , with the
addition of analog or digital TIE Trunks or both.
Nortel Communication Server 1000
ISDN Primary Rate Interface Installation and Commissioning
NN43001-301 02.03 Standard
Release 5.5 7 December 2007
Copyright © 2003-2007, Nortel Networks
.