



One pair of telephone optical transceivers, two power supplies, one instruction manual, and one certificate of conformity.
Product Specifications
Supports Caller ID and Fax Function
High-Quality Voice Chip for Clear and Stable Telephone Audio
Plug and Play, No Setup Required
Compatible with 2U Rack Mount or Desktop Installation
Wall-Mountable Metal Case with Cooling Holes on Both Sides for Effective Heat Dissipation
Lightning Protection and Anti-Interference Design
Built-in AGM Voice Noise Reduction Chip for Clear Sound and Stable Data Transmission
Multi-threaded Decoding for Noise Reduction and Enhanced Call Quality
Supports Hot Swapping (Hot Plug)
High Performance Noise Reduction Chip

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| Item | Detail |
|---|---|
| Ring Voltage | 75V |
| Ring Frequency | 25 Hz |
| Two-wire Input Impedance | 600 Ω |
| Return Loss | 20 dB (Off-hook) |
| Item | Detail |
|---|---|
| Ring Voltage | 35V |
| Ring Frequency | 17-60 Hz |
| Two-wire Input Impedance | 600 Ω |
| Return Loss | 20 dB (Off-hook) |
Supports Desktop or Rack Mount (2U)
Wall Mountable
Simple Installation, No Configuration Needed
Connect Transmitter (A side) to Telephone Line or PBX; Receiver (B side) to Telephone or PBX
Reversing transmitter and receiver connections will cause malfunction
High-quality metal shell with multiple cooling holes on both sides for convection cooling
Ensures stable and clear voice transmission over fiber optic networks
Suitable for PCMTelephone Fiber Transmission Systems

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