The Series 1500i is Frequency Modulated (FM) fiber optic telephone transmission system that operate over one (1500i) to any Meridian FM fiber optic audio units. This system can transmit telephone signals up to 6km on multimode fiber and up to 80km on singlemode fiber. This telephone system is fully compatible with standard telephone protocols and sup¬ports duplex voice, dial tone, ringing, touch tone and pulse dialing. This card can be plugged in to any standard Meridian’s Audio Channel to convert standard Audio in to a POTS channel. The System can also be utilized as a standalone, point to point, dedicated Intercom system by connecting phone ends together. When one phone is off-hook, the other phone rings, without the need to dial.
- True 90V RMS AC ring voltage
- Compatible w/rotary and touch-tone service
- Phone monitor port on line side
- Automatic ring down (ARD)
- Surface Mount Technology (SMT) for high reliability and repeatability
- Hot swappable cards
- Laser based back-biased photo detection circuitry for stable optical output over full temperature range (singlemode)
- RJ11C I/O connector
- ST or FC Optical connectors
- SpectraSmart compatible
- Meets NEMA TS1/TS2 and Caltrans specifications
- Utilizes internal switching power supplies
- LED status indicators provide rapid indication of critical operating parameters
- Automatically resettable solid-state current limiters on all power lines
- Wide optical dynamic range
