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4-channel video+4-channel power (physical isolation)+4-channel telephone+switch+serial port+telephone optical transceiver Armed Police optical transceiver
The device provides 1-4 video channels and 1-4 telephone interfaces; 1-16 switch quantity interfaces/1-8 RS232-422-485 interfaces, 4 100Mbps Ethernet,
Product details
Product description
This series of products is a point-to-point multi service optical transmission equipment developed on the basis of the dedicated ultra large scale integrated circuit developed by the company. This product provides 4 video channels and 1-4 telephone interfaces; 1-16 switch quantity interfaces/1-8 RS232-422-485 interfaces; 4 100Mbps Ethernet interfaces, each Ethernet port has its own independent 100Mbps bandwidth, with a total bandwidth of 400M for all 4 Ethernet channels. They are transmitted independently and physically isolated through a single fiber optic cable; 1 optical interface; The internal circuit of the device adopts fully digital circuits, ensuring reliable and stable operation, low power consumption, high integration, small size, and easy installation and maintenance.
Features
◆Adopting aluminum alloy anodized shell with IP40 protection level;
◆Integrated circuits based on independent intellectual property rights, with a total bandwidth of 1.5G for fiber optic lines;
◆The transmission distance of the optical port without relay can reach 2-120 kilometers;
◆The video interface supports PAL/NTSC/SECAM full standard compatibility, with studio level transmission quality;
◆The 4-channel 100M Ethernet interface operates in 100M full duplex mode, and each Ethernet port has its own independent 100M bandwidth physical isolation;
◆100Mbps Ethernet supports the transmission of VLAN ultra long data packets and can be matched with switch products that support IEEE802.1Q protocol. It can support giant frame Ethernet packets with a maximum packet length of 10240;
◆1-8 voice access channels, supporting caller ID function/reverse polarity billing/fax function; The voice port supports FXO/FXS/24 wire EM/24 wire audio/magnetic telephone interfaces. The FXO port is connected to the program-controlled switch, and the FXS port is connected to the user's telephone;
◆Can connect 1-16 switch signals or 1-8 RS232/422/485 serial interfaces;
◆Can be inserted into a 4U 17 slot centralized shelf and support SNMP network management;
◆All types of interface lightning protection meet IEC61000-4-5 (10/700 μ S) differential mode: 6KV impedance (40 Ω); Common mode: 6KV, impedance (40 Ω) standard.
Technical Specifications
◆Fiber optic section
Optical port: 1
Optical speed: 1.5G
Fiber optic: single fiber, double fiber
Fiber optic interface: FC/SC/ST/LC (SFP)
Wavelength: 850nm/1310nm multimode; 1310nm/1550nm single-mode
No relay transmission distance: 20~120Km
Typical transmission power:
Single mode 1310/1550nm: ≥ -9dBm
Multimode 850nm: -18dBm
Multimode 1310nm: -25dBm
Acceptable sensitivity range: -28dBm~40dBm
◆video interface
Video bandwidth: 5Hz ～10MHz
Signal level: 1Vp-p (typical value)
Sampling frequency: 16.4M
Signal impedance: 75Ω
Physical interface: BNC (PAL, NTSC, SECAM compatible)
Differential gain (DG): <1.3% (typical value)
Differential Phase (DP): <1.3% (typical value)
Signal to Noise Ratio (SNR):>63dB (weighted)
◆10/100M Ethernet interface
Protocol: Compliant with IEEE 802.3, IEEE 802.1Q (VLAN)
Speed: 10/100M adaptive, full/half duplex fully adaptive
MAC Address Table: Can learn 4096 MAC addresses
Physical interface: RJ45 socket supports Auto MDIX
◆FXS User Phone Interface
Ringing voltage: 75V
Ringing frequency: 25Hz
Two line input impedance: 600 Ω (off hook)
Return loss: 20dB
◆FXO relay interface
Ringing detection voltage: 35V
Ringing detection frequency: 17Hz-60Hz
Two line input impedance: 600 Ω (off hook)
Return loss: 20 dB
◆serial interface
standard
EIA/TIA-232 RS-232 (ITU-T V.28)
EIA/TIA-422 RS-422 (ITU-T V.11)
EIA/TIA-485 RS-485 (ISO/IEC8284)
Serial interface
RS-422: TxD+ TxD- RxD+ RxD-
RS-485 4 wires: TxD+ TxD- RxD+ RxD- RS-485 2 wires: A (corresponding to TX+) B (corresponding to TX -) Ground
RS-232: RXD TXD Signal Ground
◆Switching interface
Output interface type: signal relay dry contact output
Response time: Signal relay dry contact output:<1.2ms
Switch signal: Signal relay dry contact output 36VDC/0.5A
Maximum switching frequency: 50Hz
◆Electrical and mechanical characteristics
System power supply: DC+5V
power waste: ≤10W
Appearance structure: 185 (length) X140 (width) X45 (height) mm desktop style
Weight: 1.3Kg per unit
◆environmental indicators
Working temperature: -10 ℃ -+60 ℃
Storage temperature: -40 ℃ -+85 ℃
Working humidity: 0% -95% (no condensation)
MTBF:>100000 hours
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