ITR2000A Tone Remote Desk Set
Description
5
04/15
Internal Microphone and Speaker
The handset must be on-hook in order to use the internal microphone, which is intended for use in low
noise environments. The internal microphone and speaker are provided to allow hands-free
communication.
Handset
The desk set is equipped with a handset with a coil cord used for receiving and transmitting calls. The
handset includes a push-to-talk (PTT) pressbar.
Connectors
The ITR2000A includes a five-pin 12 V dc nominal power connector, an eight-pin audio accessory
connector, and a modular phone line connector on the rear. The locations are shown in the figure below:
Figure 2. ITR2000A Desk Set – Rear View
Power Connector
The ITR2000A is powered by a listed ac wall transformer supplying nominal 12 V dc. The operating
range is 10.5 to 16 V dc. The five-pin power connector diagram and pinout are shown below:
Figure 3.
Pin Function
1 -IN
2 Battery
+IN
3 +IN
4 -IN
5 +IN
Summary of Contents for ITR2000A
Page 28: ...CARD Suite Software ITR2000A Tone Remote Desk Set 04 15 24...
Page 31: ...27 04 15 Circuit Boards...
Page 32: ...Circuit Boards ITR2000A Tone Remote Desk Set 28...
Page 33: ...ITR2000A Tone Remote Desk Set Circuit Boards 29...
Page 34: ...Circuit Boards ITR2000A Tone Remote Desk Set 30...
Page 35: ...31 04 15 Schematics...
Page 36: ...Schematics ITR2000A Tone Remote Desk Set 32 Line Interface Schematic Sheet 1...
Page 37: ...ITR2000A Tone Remote Desk Set Schematics 33 User Audio I O Schematic Diagram Sheet 2...
Page 39: ...ITR2000A Tone Remote Desk Set Schematics 35 DSP Block Schematic Diagram Sheet 4...
Page 40: ...Schematics ITR2000A Tone Remote Desk Set 36 Tone Keypanel Schematic Diagram Sheet 5...
Page 41: ...ITR2000A Tone Remote Desk Set Schematics 37 Power Supply Schematic Diagram Sheet 6...
Page 42: ...Schematics ITR2000A Tone Remote Desk Set 38 Signaling Section Schematic Diagram Sheet 7...
