Modem Requirements; Maintenance And Administration Terminals; On-Site Access - Nortel Meridian 1 Option 11C Planning And Installation Manual

Page 54 of 408 System and site requirements

Modem requirements

Maintenance and administration terminals

On-site access

553-3021-210 Standard 7.00
• rated for 120 or 240 V, 15 or 20A, 50-60 Hz, 3-pole, 3-wire, grounded
• grounded to the same location so as to form a Single Point Ground.
It is recommended that the system be equipped with a modem to allow remote
access. Setup information for modems recommended for use with the
Option 11C system is found in "Modem setup requirements" on page 214.
With or without Meridian Mail
The minimum requirement is a 1200 bps auto-answer modem.
If an error-correcting modem is connected to the Meridian 1 Option 11C
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.
Setup information for Option 11C recommended terminals is found in
"Terminal setup" on page 224.
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.
The following outlines the minimum requirements for a TTY device:
Without Meridian Mail
The minimum requirement is a VT100 compatible device when Meridian
Mail is not installed, and will not be installed in the future.
With Meridian Mail
With Meridian Mail, use a VT220 compatible device.
Each system should be equipped with an M2616 or M2008 telephone with a
display assigned as a maintenance telephone.
January 2002