Page244 of 544 TheTDS/DTR card
553-3011-100 Standard14.00 January 2002
The TDS/DTR card provides:
•30 channels of Tone and Digit Switch
•Two Serial Data Interface ports
•8 tone detection circuits configured as Digitone Receivers
Features

Tone Transmitter

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
Meridian 1 TDS cards. The music source must come from a standard
Meridian 1 trunk card.

Tone Detector

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.

SDI function

The TDS/DTR card provides two SDI (Serial Data Interface) ports.
Refer to the “SDI ports” on page227 in this guide for more information on
the TDS/DTR card SDI ports.

Tones and Cadences

The following tables give the tones and cadences provided by the NTAK03
TDS/DTR card.