MG3 – Drop-In Replacement Elevator Phone for Otis Nogales Units
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Janus
MG3 – Drop-In Replacement Elevator Phone for Otis Nogales Units
MG3 | Replacement Elevator Phone for Otis Nogales Units
The JANUS - MG3 is a compact, drop-in replacement for Otis Nogales elevator phones. Manufactured by EMS (Emergency Monitoring Systems) and sold under the Janus label, this unit is engineered to fit the OEM plastic bracket (not included) mounted behind the car operating panel. Installation is simple: disconnect the existing wiring, remove the old board, snap in the MG3, and reconnect power and phone line. The MG3 includes a microphone assembly, speaker assembly, 24VDC power supply, LED/button assembly, and telephone line adapter jack.
Key Specifications
| Feature | Details |
|---|---|
| Product Type | Drop-in replacement elevator phone |
| Brand | JANUS |
| Manufacturer | EMS (Emergency Monitoring Systems) |
| Compatibility | Otis Nogales OEM units |
| Mounting Type | Behind car operating panel (C.O.P. mount) |
| Enclosure Size | 1.73" W x 3.74" L |
| Weight | 3 oz |
| Included Components | Microphone, speaker, LED/button assembly, 24VDC power supply, phone line adapter |
| Power Requirement | 24VDC @ 500mA |
| Operating Current Range | 18mA to 55mA |
| Dialing Method | DTMF (dual tone multi frequency) |
| Voice Chip | Fully programmable, bilingual support |
| Dialer | Built-in four-number auto dialer |
| Phone Line Monitoring | Integrated (meets 2009 and newer code) |
| Frequency Response | 550Hz – 3400Hz, ±3dB |
| Ring Sensitivity | 40–120VAC RMS (REN: 0.7B) |
| Operating Temp | -40°C to +85°C |
| Humidity | Up to 95% (non-condensing) |
| Certifications | ADA compliant, FCC registered |
Applications
This unit is recommended for:
- Replacing Otis Nogales elevator phones with minimal wiring changes
- Code upgrades requiring phone line monitoring
- Modernizing elevator communications while preserving existing brackets
- Low-profile installations behind COP panels
Note: Original OEM mounting bracket is not included. Ensure proper 24VDC power is supplied before installation.
