The TBC-6860U Series 60-Channel Telephone Multiplexer is a long-distance transmission of optical fiber 60-channel telephone fiber transmission equipment. The device uses a VLSI design, the appearance of concise, easy to install and debug, maintenance-free, stable performance and other advantages applicable to major telecommunications operators, military units and enterprises and institutions; equipment configuration flexibility, using 155M bandwidth transmission , You can match 100M line speed Ethernet, V.35 and other interfaces.
Telephone Multiplexer can be directly transmitted through the optical cable to provide 60-channel telephone, networking for point to point, support for FXO, FXS way. Solved the edge customer's phone transmission problem. The device features a dedicated digital multiplexer chip that is powerful enough to almost completely integrate digital logic in the device, significantly improving product performance and reducing costs. The whole machine excellent performance, stable and reliable work, low power consumption, high integration, small size, easy to install and maintain.
l Industrial design, SMT process ;
l All digital optical transmission platform, with the platform multi-service flexible configuration;
l Perfect alarm output: can provide real-time business alarm, optical error detection, communication interface self-test instructions;
l High stability: the selection of advanced and reliable electronic components and optical components at home and abroad, in the ambient temperature -20 ℃ ~ +65 ℃, operating humidity 0 ~ 95% (non condensing) of the state of work;
l Easy installation, no configuration required;
Optical interface（single fiber / dual fiber） | |
Wavelength | single mode 1310nm / 1550nm; Multimode 850nm / 1310nm |
Fiber | multimode, single mode |
Transmit power | -9dBm / -5dBm |
Transmission length | multi-mode 2 km; Single mode 40,60,120 km |
Receiver sensitivity | better than-37dBm (BER <e-11) |
Receive dynamic range | > 27dB |
Connection method | FC |
Telephone Interface Board - User and Loop Interface | |
Voice Interface | voice characteristics in line with the "Ministry of Posts and Telecommunications telephone exchange equipment, general technical specifications" |
Impedance | 600Ω |
Insertion loss | -3 ± 0.75dB |
Frequency characteristics | 300 ~ 3400Hz (-0.6 ~ 3dB) |
Weighing noise | ≤ 63.7dBmop |
Crosstalk attenuation | ≥ 65dB |
Subscriber line loop resistance | less than 3KΩ (including phone) |
Supply voltage | 48V |
Feed current | 20 ~ 50mA |
Ringing | AC90 plus or minus 15V |
Ethernet interface | |
Interface rate | Support 10/100M adaptive access |
Transmission rate | Support two method:pure 2M and transparent transmission pure 10M , according to the actual needs of users can choose their own |
Duplex mode | support half-duplex, full-duplex mode |
Physical interface | RJ45 |
Standard | In full compliance with IEEE802.3 LAN protocol standards |
2/4 line audio interface | |
Impedance | 200Ω 680Ω || 0.1μF |
Four-wire AD gain | 14dB (adjustable) |
Four-wire DA gain | -2 dB (adjustable) |
Four-wire AD frequency | -0.2 - 0.2dB |
Four-wire DA frequency | -0.2 - 0.2dB |
Second-line AD frequency | -0.2 - 0.2dB |
Second-line DA frequency | -0.2 - 0.2dB (adjustable) |
Return loss | 40dB |
Balance | 70dB |
Common mode rejection ratio | 70dB |
Power supply rejection ratio | 30dB |
Free channel noise | ≥ 65dB |
Ring resistance | 600Ω |
V.24 interface | |
Interface Type | V.24 asynchronous |
Rate | 0 -19.2Kbps |
V.35 interface | |
Interface Type | V.35 Sync |
Rate | Nx64Kb / s (N = 1-15) |
Clock method | DCE |
E1 interface | |
Standard E1 interface, in line with ITU-T G.703, G.704 Suggest | |
Bit rate | 2048Kbps ± 50ppm |
Pattern | HDB3 |
Interface impedance | 75Ω |
Interface Features | Meet G.703, G.742 and G.823 standards |
Frame structure | No frame structure |
Power | 220V / -48V optional |
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