NT-120 is suitable for the situations of high request reliability and assistantfunction, such as the specialized networks of mobile, electric power, army,police, highway and aviation. 4E1 PDH can provide multi-interface of E1 andvoice. The hardware adopts large scale FPGA, collecting code, decoding,message insertion and alarm, and makes the circuit simple so as to improvethe reliability of the equipment.Characteristics:Offer 4*E1 (2048Kbps) interfaces, two styles unbalance interface and balance interfaceOffer an asynchronous data-transmitting RS232 interface and a manager RS232 interfaceOffer an official phone interface adopt special patent technique of reducing jitter, which index is superior to international standardE1 interface adopt digital phase locked and clock extracted techniqueDouble power supply, back up each otherPower supply are selectable in -48V / +24V / 110V / 220VHighly integrated hardware circuit, power consumption is less than 10WLED indicators and voice alarm show working statusThe circuit is designed compactly, the equipment works steadilyElectric interface:Data rate: 2.048MbpsTolerance: ±50ppmLine code: HDB3Transmission capacity: 4*E1Interface impedance: 75Ω / 120ΩElectric characteristic: comply with ITU-T G.703 standardJitter transferring characteristic: comply with ITU-T G.823 standardInput jitter toleration: comply with ITU-T G.823 standardOptical interface:Line code: 1B1HLight source: LDOutput optical power: >-12dBmReceiver style: PINFETReceiving sensitivity:Light linker style: SC / FC / STCentral light wavelength: 1310nm/1550nmRS232 interface:Rate: auto-negotiation 300 - 19.2KbpsInterface volume: 1*RS232Interface mode: DCEInterface connector: DB9 connectorOfficial phone interface:The common handle phone with 4 threadsCall by pressing the call buttonPower supply:Voltage: AC 180V - 240V; DC -48V; DC -24VPower consumption: ≤10WEnvironment:Working temperature: 0 ~ 50°CStorage temperature: -40 ~ +70°CRelative humidity: 5 ~ 95%Weight: 1.8kgSize: 482.6mm x 135mm x 44.4mm
NT-D844-E is one kind of eight-channel V + A + D + E video optical terminal,it is convenient for you to configurate the 8 channels with audio card or datacard, and bi-directional, backward, forward ar
NT-240+ is suitable for the situations of high request reliability and assistantfunction, such as the specialized networks of mobile, electric power, army, police, highway and aviation. 8E1+100M PDH c
NT-2701 bridge, also called 2Mbps G.703 / Ethernet interface converter, isideal for the case where low-cost bridging is required. It also can be used as aLAN extension. When used as extension or segme
NT-D844-E is one kind of eight-channel V + A + D + E video optical terminal,it is convenient for you to configurate the 8 channels with audio card or datacard, and bi-directional, backward, forward ar
NE-2702 bridge, also called G.703/Ethernet interface convertor, is ideal for thecase where low-cost bridging is required. It also can be used as a LAN extension.This device supports the conversion of
NT-D444-E is one kind of four-channel video + audio + data + Ethernet videooptical terminal, it is convenient for you to configurate the 8 channels with audiocard or data card, and bi-directional, bac
Maximum 14 sets of 10M, 100M, 10/100M, 1000M multimode, single mode, singlecore media converters and single channel video+data video optical terminals canbe installed in one rack under uniform power s
Maximum 16 sets of 10M, 100M, 10/100M, 1000M multimode, single mode, singlecore media converter cards and built-in Avional media converters` cards can be installed in one frame under uniform power sup
Maximum 16 sets of 10M, 100M, 10/100M, 1000M multi-mode, single mode, singlecore media converter cards can be installed in one frame under uniform powersupply. This not only reduces the number of tie
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