Functional Description
PCM telephone Optical devices are our ASIC R&Ded PCM telephone service products. The device uses LSI and programmable logic chip as the center ,integrates Voice port(FXS), switch port (FXO), Ethernet , and other interfaces.
This series of PCM telephone equipment is to transmit max.8 channel telephone calls and one channel 10 / 100M Ethernet data transmission over one fiber.
The equipment using standard desktop chassis . Shape is simple and beautiful . External power supply AC 220V- DC 5V.
Features
-
Modular design , high integration, stable and reliable performance
-
Provides 1-8 channel telephone transmission
-
Can provide one channel 100M Ethernet
-
Support Caller ID
-
Anti-interference ability , built-in lightning protection
-
Single-mode multi-mode auto adaptive , FC interface
Specifiations
Voice Bandwidth : 8KHZ
Codec : PCM codec , each voice channel 256Kb / S, complies with ITU-T G.711
Signaling Control: transparent support any in-band signaling , complies with ITU-T G.732
Interface communication terminals : ordinary telephone or PBX , PBX (PBX), public telephone outside PSTN network
Connection: Point to Point telephone hotline , telephone and switch mode
Ringing voltage : 75V, ringing frequency : 25HZ / 50Hz (FXS)
Return loss : 40 db
Ringing detection voltage : 35V
Ring detection frequency : 17HZ-60HZ
Impedance : 200Ω + 680Ω || 0.1μF (FXO)
200Ω + 560Ω || 0.1μF (FXS)
Power consumption: less than 6W
Telephone Interface Type : RJ11
LAN Interface : 10 / 100BASE-T RJ45 connector
Fiber Interface Type: Single fiber FC connector
Transmission distance: multimode 0-2KM, singlemode 0-20KM ( standard, as far as can be customized 100KM)
Optical Line Rate : 155MHZ
Optical transmission power : not less than -14dBm
Optical receiver sensitivity: better than -36dBm
Dimensions : 19 * 11 * 2.8CM
Operating voltage : DC 5V 2A
Application example:
Includes:
1 pcs module ( order 2 if you need a pair)