Nortel Networks NN43001-301 manual Using dialup modems, Leased line requirements Hardware Comments

2281.5 Mb ISL implementation

Dedicated mode

Dedicated mode requires modems. See Figure 80 "ISL in dedicated mode using leased line" (page 228) and Figure 81 "ISL in dedicated mode using dialup modem" (page 229) for details.

The requirements for using a leased line are

Table 80

Leased line requirements

Hardware	Comments
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
	• must support leased line (also known as private
	line or point-to-point) operation

NTAK19BA

Four port break out cable.

Figure 80

ISL in dedicated mode using leased line

Using dialup modems

The requirements for using a dialup modem are:

Nortel Communication Server 1000

ISDN Primary Rate Interface Installation and Commissioning

NN43001-301 02.03 Standard

Release 5.5 7 December 2007

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