Features - Nortel Circuit Card Installation Manual

Page 886 of 906

Features

Tone transmitter
Tone detector
SDI function
553-3001-211 Standard 3.00
The TDS/DTR card
The TDS/DTR tone transmitter provides 30 channels of tone transmission.
Up to 256 tones are available as u-Law or A-Law and up to 256 bursts and
cadences are downloaded from the CPU.
The TDS/DTR card does not provide the Music on Hold feature as do other
TDS cards. The music source must come from a standard trunk card.
The TDS/DTR card provides eight channels of DTMF (Dual Tone
Multi-Frequency) detection in A-Law or µ-Law.
In North America, pre-programmed data is configured for µ-Law tone
detection.
The TDS/DTR card provides two SDI (Serial Data Interface) ports.
Refer to "SDI ports" in Installation planning (553-3001-120) for more
information.
August 2005