Isl In Dedicated Mode Using Dial-Up Modem - Nortel Meridian 1 Option 11C Manual

Page 114 of 126

ISL in dedicated mode using dial-up modem

553-3011-315 Standard 13.00
ISL Implementation and Maintenance
Figure 15
ISL in dedicated mode using leased line
Meridian 1
Option 11
NTAK02
DCHI
The requirements are as follows:
• NTAK02 SDI/DCH D-channel handler interface
• Modems such as Ventel 2400, Hayes 2400 (the Hayes Smartmodem
2400 cannot be used on leased lines) or Gandalf 2400 that can support 2
or 4-wire leased line operation (4-wire operation must be specified when
ordering otherwise modems are factory shipped for 2-wire operation).:
— autodial capability
— minimum of 2400 baud
— synchronous operation
— programmable so that one modem originates the call while the other
auto-answers
• NTAK19BA 4-port SDI cable
• NT8D09 500 set line card
January 2002
ISL D-channel
leased lines
modem
modem
NTAK19BA
QCAD42A
•
•
ISL
Analogue/digital
TIE trunks
Meridian 1 or SL1
DCHI