Description
Overview
GAOTek fiber optic modem has internationally advanced digital fiber optic technology, and multiplex telephone signals can be realized synchronous, distortion-free, and high-quality transmission in one single fiber. It is uncompressed, can meet customers’ requirements perfectly, and is easy to install, with no need for site debugging. Optical modules and core circuits are high-performance, all fiber and UTP ports meet International Standards, suitable for various working environments, and LED indicators can show the working conditions for customer control.
Features
- 4 E1 digital interfaces with 75Ω to 120Ω impedance options
- Modular wide dynamic optical detector
- Optional PCM digital business phone with 1 channel
- Ethernet interface with 10 M /100 M rate, half or full duplex Auto-Nego
- Console management interface (RS-232)
- Master and backup optical fiber interfaces with Dual Optical Port backup
- E1 interface compliant with G.703
- Detection of power loss or fiber disconnection
- Local devices can monitor the remote device’s working condition
- Remote interface Loop Back command for easy line maintenance
- Transmission distance up to 1.24 mi to 74.56 mi (2 km to 120 km)
- SNMP manager support with SNMP agent inside
Technical Specifications
| Ring detection frequency | 17 Hz to 60 Hz |
| Interface rate | 10 Mbps to 1000 Mbps |
| Power supply AC | 180 V to 260 V |
| Power supply DC | -48 V to 5 V |
| Ring voltage | 75 V |
| Ring detect voltage | 35 V |
| Storage temperature | -4 °F to 158 °F (-20 °C to 70 °C) |