Intercom - TE903A Master
General Information

A surface mount telephone entry intercom system for 1 to 1,000 apartments (suites). Available with No-Phone-Line option. Can be supplied with/without privacy handset.
The TE903A/TE904 series Tek-Entry III telephone entry intercoms are fully surface mount painted steel master stations that can be used with 1 to 1,000 remote apartment telephone locations. Built-in (and add-on) alphabetical directory modules make finding the tenant\’s 4-digit code very easy, even in larger buildings. By entering a simple 4 digit code, the system calls the correct phone number, to allow access. The called party\’s phone number remains secret. Programming and re-programming are pushbutton simple, and are done right at the keypad. The TE903A unit has a built-in 100 name directory and electronic capacity for 1,000 users. The TE904 unit has a built-in 200 name directory and electronic capacity for 1,000 users. For additional directory requirements, simply add the AM903D (200-name) expansion directory unit(s) to the TE903A series master unit(s).


Can be used with either Rotary or Touch-Tone service
Memory retention during power failure (EEPROM)
Crystal decoder guarantees correct touch-tone decoding
Programmable system master code
Night service feature will redirect all calls to guard/concierge station
Tamper-resistant programming security
Vandal-Resistant Painted Steel Construction
Multiple entrance capability (add only additional lobby entry panels)
Door timer cut-off
Fire alarm input for emergency door release
Modular Construction allows use in almost any size building
Panel access protected by built-in keyed lock

No monthly line rental or message unit fees.
Provides intercom for tenants that do not have outside telephone line service
Distinctive double ring differentiates between visitor calls and incoming calls
Connection for guard or concierge phone
Multiple entrance capability
Only two wires to interface with lobby equipment
Built-in call-waiting feature
DOC and FCC approved

TE903A Height: 16.00″ (406mm)
Width: 11.00″ (279mm)
Projects: 2.65″ (67mm) (From finished wall surface–not including optional handset).
TE904 Height: 13.00″ (330mm)
Width: 19.00″ (483mm)
Projects: 2.75″ (70mm) (From finished wall surface–not including optional handset).
AM903D Height: 16.00″ (406mm)
Width: 11.00″ (279mm)
Projects: 2.65″ (67mm) (From finished wall surface).
Construction: 16 gauge painted steel front panel.
Housings: None required. Fully surface mount construction.

Telephone Entry system shall be Alpha Communications/Tektone TE903A/TE904 Tek-Entry IIIў series or approved equal. The system shall operate on standard dedicated telephone lines (unless the No-Phone-Line) options are used. All TE903A/TE904 units shall a zinc die-cast marine quality metal telephone keypad, postal release option, and speaker/microphone (or optional handset). The TE903A/TE904 system shall allow for 1 to 1,000 apartment capacity. The TE903A/TE904 system shall provide a relay output for controlling door, gate, elevator, etc., and shall be able to dial out on either rotary or touch-tone service. It shall also provide built-in capability for multiple entrances, and it shall be possible to program the system right at the master unit itself.Construction shall be of 16 gauge (painted) steel built into a weather-resistant hooded housing.Contractor shall provide the proper number of AM903D alphabetical directory add on modules, depending upon the number of apartments served. Directory modules shall be protected by a clear sheet of polycarbonate plastic. —–ADD FOR NO-PHONE-LINE OPTION—–For No-Phone-Line service capability, contractor shall include all of the required components of a standard TE903A/TE904 system, plus a PM900 No-Phone-Line controller, one or more IH996 relay board cabinets, RY912 relay boards and the CT925 relay board connector assemblies. All equipment shall be located in the telephone equipment room, adjacent to the RJ71C jacks, installed by the local phone company.


TE903A Master Control Module for 1 to 1,000 remote stations. Includes speaker/microphone, and built-in 100-name directory module. Requires SS106 transformer for power.
TE904 Master Control Module for 1 to 1,000 remote stations. Includes speaker/microphone, and built-in 200-name directory module. Requires SS106 transformer for power.
AM903D 200-Name Capacity Alphabetical Directories (for TE903 master units).
SS106 16VAC transformer. One (1) required to power the TE903 (or TE904) and one (1) required to power the 16VAC electric door opener (if used). One (1) additional SS106 is required when using the PM900 “No-Phone-Line” optional controller. One (1) additional SS106 is required when using the PK124 battery charge, for battery back-up capabilities.

PK124 Battery Charger. One (1) required if system battery back-up is required. Requires SS106 transformer for power and two (2) BA001 batteries.
BA001 12VDC Battery. Two (2) required when using the PK124 battery charger unit.
TA902 Privacy handset module. Used on TE903A or TE904 masters when open-voice is not wanted. NOTE: Must be ordered at same time as the master station. The TA902 is a factory-wired option only and cannot be installed in the field.

PM900 No-Phone-Line Control Unit. One (1) required per system, for No-Phone-Line option. Requires one (1) SS106 transformer for power.
IH996 Relay Board Cabinet (surface mount). Each IH996 can hold up to (8) RY912 relay boards.
RY912 No-Phone-Line Relay Board. One (1) required for each 12 remote apartment stations. Each RY912 requires a CT925 connector assembly.
CT925 Connector Assembly. One (1) required for each RY912 relay board.
WT2833NL “Dummy Telephone”. Used on No-Phone-Line systems to allow tenants who do not have outside phone lines to answer the lobby intercom call, and release the electric door opener. Plugs into existing apartment phone jack. Has built-in flashing red neon lamp, for the hearing-impaired.NOTE: The “No-Phone-Line” option requires that the contractor have the local phone company install one (1) RJ71C type interface jack, for each 12 (or less) remote apartment stations.

Intercom – TE903A Master
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