Nortel Networks Option 11C User Manual
Page 244 of 544
The TDS/DTR card
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.
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.
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.
Frequency) detection in A-Law or µ-Law.
In North America, pre-programmed data is configured for µ-Law tone
detection.
detection.
SDI function
The TDS/DTR card provides two SDI (Serial Data Interface) ports.
Refer to the “SDI ports” on page 227 in this guide for more information on
the TDS/DTR card SDI ports.
the TDS/DTR card SDI ports.
Tones and Cadences
The following tables give the tones and cadences provided by the NTAK03
TDS/DTR card.
TDS/DTR card.