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Option 11C and 11C Mini Technical Reference Guide
270
Chapter 11 — Meridian Digital
Telephones
Contents
This section contains information on the following topics:
Reference List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266
Volume control . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266
Line engineering . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266
Local alerting tones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266
Powering requirements . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
Data characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
Reference List
The following are the references in this section:
• Administration (553-3001-311)
• Maintenance (553-3001-511)
Introduction
Meridian Digital Telephones are connected to the system through a 2-wire
loop carrying two independent 64 kb/s PCM channels with associated
signaling channels. One of the two PCM channels is dedicated to voice, while
the other is dedicated to data traffic. Line cords and handset cords on all
Meridian digital telephones are equipped with snap-in TELADAPT
connectors for quick and easy connecting procedures.