- DVOP-AD-T64 64 channel telephone optical terminal
DVOP-AD-T64 is a carrier-grade single-fiber network 1-channel telephone optical terminal /PCM transmission device, commonly known as "telephone optical cat". It realizes 64 telephones and can select up to 4 Ethernet signals in real-time, synchronous, distortion-free and high-quality transmission on a single fiber, 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, which realizes real-time, synchronous, distortion-free and high-quality transmission of up to 64 one-way/two-way data or 64 telephone or 64 one-way/two-way alarm volume and 4 Ethernet signals on a single fiber. It can also be extended to 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
