Nortel Communication Server 1000S Installation And Configuration Manual page 371

• A 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 4-Port SDI Cable
Figure 89
ISL in dedicated mode using leased line
Small System
ISL in dedicated mode using dial-up modem
The requirements are as follows:
• NTAK02 SDI/DCH D-channel handler interface.
2.0 Mb ISL implementation
ISL D-channel
leased lines
NTAK02
modem
DCHI
NTAK19AB
Analog/digital
TIE trunks
ISDN Primary Rate Interface
modem
QCAD42A
ISL
Installation and Configuration
Page 371 of 394
Large System
DCHI
553-AAA1075