SCP-O/S60
60 telephone channels (optional magnet, loop, audio, EM signaling, and other data ports)
Provide 1 optical interface
Provide 60 phone calls
The telephone interface includes overvoltage and lightning protection modules;
The power supply is a built-in single power supply of 220V or 48V
Single fiber or dual fiber transmission, with a transmission distance of 20KM and a maximum transmission distance of 120KM;
2U rack mounted equipment
SCP-O/S60 60 channel telephone optical transceiver is a large-scale integrated circuit developed by our company with independent intellectual property rights. It uses time-division
multiplexing technology to mix and encode Ethernet signals and telephone signals before transmitting them over a pair of optical fibers. Implement voice transmission services, with
transmission channels divided into optical transmission channels and voice transmission channels. The machine adopts a 19 inch, 2U frame design, with high integration, small size,
low power consumption, reliable operation, and easy installation and use.
Optical interface
Wavelength: 1310nm (standard model) or 1550nm
Transmission power: ≥ -12dBm
Receiver sensitivity: ≤ -30dBm (BER ≤ 10-11)
Interface mode: FC (standard model) or SC, etc
Transmission method: dual fiber or single fiber
Voice interface and signaling
Exchange side
Off hook impedance:<500 Ω
Hanging impedance:>10K Ω
User side
Loop impedance: ≤ 2000 Ω (including telephone)
Idle circuit voltage ≤ 50V
Loop current: 25mA
Off hook threshold: 8mA
Polarity reversal delay:<50ms
Dialing: Pulse dialing with pulse distortion<5ms
Total distortion of in band audio dialing meets the characteristics of voice interface
Off hook latency:<100ms
Bell flow:
Remote (FXS) Ringstream Generator
Frequency: 25 Hz ± 3 Hz
Amplitude: 75V ± 5Vrms
Bell current delay<50ms
Total output power ≤ 10W (in chassis units)
Local end (FXO) bell current detection
Amplitude range: minimum 38Vrms
Voice interface
Impedance: 600 Ω or three element complex impedance, as shown in the figure
Three element complex impedance
Audio range: 300-3400 Hz
Coding Law: CCITT Recommendation G.711 A Law
power waste
The overall power consumption is less than 90W
work environment
Working temperature: 0-45 ℃
Relative humidity: ≤ 95% (at 25 ℃)
Atmospheric pressure: 70-106Kpa
