4CH Telephone To Fiber Optic Converter Pcm Voice over Fiber Optic Media Converter fxs/fxo to fiber 1ch 100M Ethernet

1. SC port by default , Please contact us online if you need FC.

2. We also have 1CH 2CH 8CH 16CH 32CH .

Product features

Each provided 1-32 channels telephone interface ( standard configuration ).

Optional 1 - channels / 2 - channels 1 0 / 1 0 0 M Ethernet interface ( optional ) .

Telephone interface ( RJ 1 1 crystal head can line ).

Traditional PSTN Mandarin sound each voice channel occupies a 6 4 K , support calle

Small size , attractive appearance , easy installation

Improve the status display function easy maintenance and management .

Structure size desktop ( or wall )

Telephone Interface Features

Number of interfaces : 1 - 3 2 channel telephone interface ( standard configuration )

Voice channel characteristic : comply with " the Ministry of Posts and Telecommunications

telephone exchange equipment technical specifications “

Speech coding : PCM coded voice 6 4 kbps per channel

Crosstalk attenuation ：≥6 5 dB

Weighted noise : ≤6 3 . 7 dBmop

Insertion loss : - 3 ± 0 . 7 5 dB

Frequency characteristics : 3 0 0 - 3 4 0 0 Hz ( - 0 6 ~ + 3 dB )

Relay port ( FXO ) : connection with the switch

Wire AC input impedance : 2 0 0 + 6 8 0 / / 0 . 1 Ω ( three elements )

Subscriber line loop resistance : less than 1 K Ω ( including telephone )

Ringing peak voltage : 1 1 0 ~ 1 5 0 V

Ring Frequency : 2 2 ~ 5 0 mA

Return loss : 2 0 db

Ringing :ac90±15v

Ethernet interface Features

Number of interface : 1 / 2 Ethernet interfaces ( optional , 1 Ethernet with switching functions )

Rate : 1 0 M / 1 0 0 M , full - duplex half - duplex fully adaptive

Actual transmission bandwidth : Each network interface 2 5 M

Protocol : IEEE 8 0 2 . 3 , IEEE 8 0 2 . 1 Q ( VLAN )

Physical interface : RJ 4 5 block , support AUTO - MDIX ( cross - line adaptive direct line )

Return loss : 2 0 db

Ringing :Ac90±15V