Nortel Meridian Meridian 1, Planning, Installation And Operating Instructions

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Page 36 of 536 Chapter 3 — System and site requirements
553-3121-210 Standard 3.0 January 1999
Modem requirements
The system can be equipped with a modem to allow remote access. See
“Chapter 15 – Installing and connecting SDI and Ethernet ports” on page 125
for information about setting-up modems recommended for use with the
Option 11C Compact system.
The minimum requirement is a 1200 bps auto-answer modem.
If an error-correcting modem is connected to the Option 11C Compact
system, all flow-control and error-correcting functionality of the modem must
be disabled to ensure proper operation. Refer to the modem manufacturer’s
instructions for information.
Maintenance and administration terminals
A Modem Eliminator (NULL Modem without hardware handshaking)
A0601397 F-F converter or A0601396 M-F converter may be required to
interface the TTY to the system.
See “Terminal setup” on page 131 for terminal set-up information.
On-site access
Each system should be equipped with an M2616 or M2008 telephone with a
display assigned as a maintenance telephone.
A variety of TTY terminals can be used to access the Option 11C Compact
system. However, a VT220 terminal is recommended as an on-site terminal.
It can be used to perform service changes, maintenance and diagnostic
functions, as well as Meridian Mail Option 11C Compact administration
activities.
Remote access
Although several types of modems can be used to access the system, a 2400
baud auto-answer modem is the recommended modem and 1200 baud is the
minimum. It can be used to perform service change, maintenance and
diagnostic functions, as well as Meridian Mail Option 11C Compact
administration activities from a remote location.