- DVOP-AD-T04 4-way telephone optical terminal
DVOP-AD-T04 is a carrier-grade single-fiber network 1-channel telephone optical terminal /PCM transmission device, commonly known as "telephone optical cat". It realizes 4 telephones on a single fiber, and can select up to 4 Ethernet signals in real-time, synchronous, distortion-free and high-quality transmission, and realizes seamless docking with standard FXO switch interface and FXS user interface. Support hotline,E/M signaling interface and analog voice interface. The product is made of aluminum alloy shell, with desktop installation, wall mounted installation, centralized rack installation and other installation methods, using original industrial devices, multi-stage lightning protection interface, suitable for use in a variety of harsh working environment. The product uses adaptive technology and does not require any adjustment on site. It can be connected to the e-MS network management system to realize real-time monitoring of equipment running status, environment, voltage and other parameters.
DVOP-AD series is a comprehensive optical transmission product of industrial-grade data/audio/alarm/telephone/network with complete core intellectual property rights. In a single fiber to achieve up to 16 balanced/unbalanced one-way/two-way audio, 16 one-way/two-way data, 16 telephone, 16 one-way/two-way alarm volume, 4 Ethernet signals real-time, synchronous, distortion-free, high-quality transmission, and can expand the single fiber transmission of various signals for more purposes. DVOP-AD series adopts full modular structure, which greatly improves the flexibility of equipment configuration, and has high flexibility and high scalability requirements that can adapt to any combination of any number of audio, data, Ethernet, switching quantity, telephone, etc.
● Full digital optical fiber transmission platform, multi-service flexible configuration of the same platform, can form a complex communication network, saving investment resources
● Carrier-grade, using industrial grade original devices, using gold PCB board, equipment long-term reliable and stable operation
● Modular design, analog user interface can be configured according to field requirements, to achieve smooth and scalable
● Realize seamless docking with standard FXO switch interface, FXS user interface, support hotline,E/M signaling interface and analog voice interface
● Full range of interface lightning/surge /ESD bridge three-level protection design, with differential mode/common mode protection function
● Aluminum alloy housing, can be mounted on the desktop or wall
● Audio interface complies with ITU-T G.713 recommendation, A code, bit rate: 64Kbit/s
● Support TS16 slot with or common channel signaling transmission mode, in line with ITU-T G.732 recommendation
● With perfect near and remote feed, optical path, each branch indicator light, easy to open and maintain on site
● Standard 5V power supply, can support 12VDC/24VDC/48VDC/220VAC and other industrial control field power supply
● Unique power supply 1+1 hot backup power supply mode, completely eliminate the problem of operation failure caused by power supply
● Support GIS-based e-MS network management system to facilitate the monitoring and management of large networks
● Full modular structure, support any number of telephone/audio/data/Ethernet/switching and other combination applications
No electromagnetic interference (EMI), radio frequency interference (RFI) and common ground circuits
● Unique power anti-reverse connection, power anti-error function, fault elimination automatically resume operation
● Perfect electromagnetic compatibility of data, audio, Ethernet, telephone, intercom and other interfaces
● With power supply, optical fiber link, data status, telephone call status and other perfect operation status indication
● Advanced telephone, Ethernet and other adaptive technology, automatically compatible with a variety of signals, data, no need to adjust the use
● Industrial design and device, full surface mounting technology, long-term stable and reliable operation
① Optical interface specifications
Wavelength: 850/1310nm(multimode); 1260~ 1360,1470 ~ 1610 (single mode)
Fiber output power: 0 dBm to -3 dBm/-5 dBm to -10 dBm
Receiving sensitivity: -36dBm/-28dBm
Single wavelength bandwidth: 155M/1.25G
Transmission distance: multi-mode 0-2km; Single mode: 0-25km, 0-60km, 0-100km
Maximum optical power reserved: 18dbm, 20dbm, 25dbm, 30dbm
Optical fiber port FC/ST/SC Optional
② Ethernet interface
Physical interface: Shield more than 5 RJ-45 seats
10M Ethernet interface: full or half duplex, compatible with IEEE 802.310Base-T
10/100M adaptive Ethernet interface: full or half duplex, MDX, support IEEE 802.310/100Base-T, IEEE-802.3U Ethernet standards
③ Telephone/program-controlled switches, various voice interfaces
Physical interface: RJ-11 seat
Analog telephone/Switch interface:
Impedance: 600Ω
Insertion loss: -3±0.75dB
Frequency characteristic: 300 ~ 3400Hz (-0.6 ~ +3dB)
Balance noise: ≤63.7dBmop
Crosstalk attenuation: ≥65dB
Subscriber line loop resistance: less than 3KΩ (including phone)
Feed voltage: 48V;
Feed current: 20 ~ 50mA;
Interface features: Meet the G.703, G.742, and G.823 standards
Frame structure: No frame structure
Voice bandwidth: 8KHz
Codec mode: PCM codec
Signaling control: Transparent support for any in-band signaling
Communication terminals supported by the interface: ordinary telephone or group telephone, program-controlled exchange (PBX), telecommunications public telephone outside PSTN network
Connection mode: point-to-point telephone and telephone hotline, telephone and exchange mode
E/M signaling interface and analog voice interface:
Voice bandwidth: 8KHz
Codec mode: PCM codec
Signaling control: Supports various E/M signaling control modes
Communication terminals supported by interfaces: various devices with E/M communication functions
Connection mode: point-to-point connection
