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TD-H/B Audio: Selective Call Intercom System

TD-H/B Audio: Selective Call Intercom System by Aiphone

System Components

Features

  • Handsets available in 1, 3, 6, 12 and 24-station sizes
  • Audio door stations can be added (1 or 2 doors)
  • Paging zone with optional talkback
  • External signaling device when calling a handset (RY-AC/A required)
TD-H/B CAD drawings available - download here

Specifications

Power Source
12V DC, 70wA - Use PS-1225UL
Communication
Simultaneous through handset
Door Release
Contact rating: 30V AC/DC, 1A
Wiring
2 or 3 + number of TD-H/B in loop, non-shielded
Distance
IE Doors to DE-UR: 500’(22AWG) 1,200’(18AWG) Between masters: 2,000’(22AWG) 4,800’(18AWG)
Wire Type
See “Wiring” for details

Product Literature

Modification Manual(s) Available

Free PDF downloads for in field technicians.
ModificationDifficulty
TD-H Zone Page & All Page (8.13 KB)Level 1 - Easy
TD-H 70V Door-Gate Speaker (9.52 KB)Level 2 - Easy/Moderate
TD-H External Signaling from door (66.79 KB)Level 2 - Easy/Moderate
TD-H One Button Ringing (24.91 KB)Level 2 - Easy/Moderate
TDH with TBF (17.56 KB)Level 2 - Easy/Moderate
TD-H Change Call-In Time from Door (195.96 KB)Level 3 - Moderate
TD-H Eliminate Paging Pretone (115.72 KB)Level 3 - Moderate
TD-H Lower Call Tone Frequency (91.52 KB)Level 3 - Moderate
TD-H Lower Call Tone Volume (85.85 KB)Level 3 - Moderate
Third Call Tone from DE-UR (197.60 KB)Level 3 - Moderate
TD-H Call Tone Volume Control (92.70 KB)Level 4 - Moderate/Hard
TD-H Contact When Off Hook (89.42 KB)Level 4 - Moderate/Hard
TD-H Dry Contact when Paging (127.94 KB)Level 4 - Moderate/Hard
TD-H LED Call Indicator (14.86 KB)Level 4 - Moderate/Hard
TD-H Off Hook RInging (1,007.37 KB)Level 4 - Moderate/Hard
TD-H Smoother Call Tone (89.43 KB)Level 4 - Moderate/Hard
TD-H Tape Record output (98.96 KB)Level 4 - Moderate/Hard

All modifications are ranked into these five levels of difficulty:

Level 1 - Easy
Wire Connection Only
Level 2 - Easy/Moderate
Component Connection to External points
Level 3 - Moderate
Removal and replacement of internal Components
Level 4 - Moderate/Hard
Internal connection or component addition
Level 5 - Hard
Circuit Creation and Internal Addition

Please note that modifying a unit will not void it's warranty unless while doing the modification you damage the unit. Aiphone is not liable for any damaged caused during modification. Modifications should only be performed by a person with the skills and knowledge necessary to successfully complete the modification.

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