Product Specification Sheet APS218

Rev. 07/2013

RM5000 Series Central Exchange Unit

This Specsheet is for a product which is discontinued. Please contact us for alternative products.
  • Clear two-way communications
  • Hands-free/loudspeaking
  • Confidential/Softspeaking capabilities
  • Manual Simplex operation at master stations
  • Microphone Cut-Off
  • Camp-on busy extension
  • All-Call (standard)
  • Simple home-run wiring - simple to install
Architects' And Engineers' Specifications

The central exchange/system shall be Alpha Communications® / Ring RM5000 series or approved equivalent. System shall have a maximum capacity of 56 total master and/or remote stations, in multiples of 8 stations. System shall have four (4) conversation paths (links), permitting up to four (4) simultaneous conversations. The RM5000 central exchange (if less than 56 station capacity) can be field upgraded with the addition of subscriber card(s) and required extension rack(s).

The RM5000 system shall require simple 2 twisted pair home-run wiring from the central exchange to each master and/or remote station, and shall feature all-call, group call, hunt, priority, privacy, direct dialing, conference, camp-on busy, hurry-up, call-back, call-forwarding, secretary transfer, battery back-up and manual simplex override at the master station(s).

Optional features include radio paging, public address tie-in, 2 channels of program distribution, and emergency elevator annunciation.

Contractor shall observe all local and national electrical and building codes.

RM5000 Series
Microprocessor Intercom System The RM5000 is a fully electronic, microprocessor controlled system, which fully satisfies the requirements for a modern and effective internal communication system. The RM5000 system is modular in concept and the central exchange can be expanded in multiples of 8 stations, up to a maximum of 56 total stations (masters and/or remotes). The central exchange has 4 conversation paths (links), permitting up to four (4) simultaneous conversations.

A variety of master and remote stations is available to meet virtually any system need.

Central Supply:
Transformer 24 VAC +/- 10%, 50/60Hz or rectifier 24VDC, (battery for no break) Power
Approx. 20W plus 1W per 8 station subscriber card
Maximum Input to Program Distr.: 
Aux. line, 100mV/600 ohm Cable
1 Pair for system information/audio 1 Pair for DC power supply
EPROM 256 kbyte RAM 64 kbyte
Ambient Temp:
+10 to +35 degrees C. (+77 to +95 degrees F.)
Line Specs: 
Frequency Range: 300-5000Hz
Galvanic Line: 0 dBm (1mW/600 ohm)
Speech level, idle: -12 dBm
Speech level, max: +4 dBm 
Signaling Level: -10 dBm
Signaling Frequencies: CCITT specifications
Pearl Grey
Alpha Communications
42 Central Drive • Farmingdale • NY • 11735-1202 • Phone: (631) 777-5500 • Fax: (631) 777-5599
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Due to continuous product improvement, all colors, sizes, materials, finishes and specifications are subject to change without notice.