CPU redundancy (1+1)? E1 redundancy (2+2)? Power redundancy (1+1) [AC+AC, DC+DC, AC+DC]? DCE plug-in card types* 6-channel magneto card* 6-channel 2W/4W E&M card* 6-channel FXS card* 6-channel FXO card* 6-channel RS-232 card (low speed)* 5-channel X.50 card* 4-channel G.703/64K-CO card* 4-channel V.35 card (n*64K)? Drop & Insert function? NMP, SNMP and Web based management? EMS system supported? Compliance with ITU-G.703, G.704, G.706, G.732, and G.823.SpecificationsG.703 E1 I/O SpecificationsFraming:Unframed / Framed; CCS(PCM31) / CAS(PCM30); CRC4 On/OffBit rate2.048Mbps±50 ppmLine codeAMI / HDB3Line impedance75 ohm, unbalanced (BNC)120 ohm, balanced (RJ-45)Relative receive level 0 / -43dBTransmit levelPulse amplitudeNominal 2.37V ±10% for 75ohmNominal 3.00V ±10% for 120ohmZero amplitude: ±0.1VTransmit frequency trackingInternal timing±30 ppmLoopback timing±50 ppmExternal timing±100 ppmJitter performanceAccording to ITU-T G.823Complies withITU-T G.703, G.704, G.706 and G.732.Interface connectorsBNC for unbalanced; RJ-45 Connector for balancedEthernet I/O Specifications? Bridge module - 2 channels? 10BASE-T/100BASE-TX, Full Duplex or Half Duplex? 10BASE-T/100BASE-TX, Full Duplex or Half Duplex? IEEE 802.3x flow control? Real-time filtering with 256 address tables? Automatic address learning, aging and deletion after 5 minutes? Up to 340 packet-buffering capacity? Forwarding and filtering rate at wire speed with through put latency of 1 frame.? Auto padding of undersized packets to meet the minimum Ethernet packet size requirement? Buffering modes can be selected according to the setting of WAN and LAN line speeds? Ethernet interface has automatic Twisted Pair polarity correctionLANStandardFully compliant with IEEE 802.3/802.3uConnectorShielded RJ-45Speeds10BASE-T/100BASE-TX, Full or Half DuplexFramesSupports 64 to 1522 byte packet lengths, standard and extended length frames for VLAN tagging, etc.Sub-E1 I/O Specifications? Each card provides two E1 loops, each loop provides E1A/E1B channelindependently? Hot-Swappable? Each first E1 loop may provide external clock to be used as system clock sourceFramingFramed CCS(PCM31) / CAS(PCM30)CRC checkCRC4 On/OffBit rate2.048Mbps ±50 ppmLine codeAMI / HDB3Line impedance75 ohm, unbalanced / 120 ohm, balancedRelative receive level0 / -43dBTransmit level Pulse amplitudeNominal 2.37V ±10% for 75ohmNominal 3.00V ±10% for 120ohmZero amplitude ±0.1VJitter performanceAccording to ITU-T G.823Complies withITU-T G.703, G.704, G.706 and G.732Interface connectorsBNC for unbalancedRJ-45 Connector for balancedLoopback typeRemote digital loopbackOther Datacom I/O SpecificationsN x 64 Module, 4 channels, High Speed Data Interfaces)Interfaces typesRS-530, X.21, V.35, RS-449 and RS-232Interface connectorHD68 Female with appropriate cable adapter.Line codeNRZData rateN x 64kbps, where N equal 1 to 31 in CCS and N equal 1 to 30 in CASAsync Module, 6 channels, <= 38.4kbps Async or 6 channels, 64/128kbps Sync 導(dǎo)購?fù)扑]
加工定制 否 品牌 ctc 型號 ERM-MUX/PLUS

上海凱潤計算機網(wǎng)絡(luò)系統(tǒng)有限公司成立于公元2000年。是一家集光纖,銅線通信,SDH/TDM傳輸,同/異步及數(shù)據(jù)復(fù)用等業(yè)務(wù)于一體的高新技術(shù)企業(yè),主要從事網(wǎng)絡(luò)設(shè)備安裝調(diào)試,數(shù)據(jù)傳輸設(shè)備,視頻監(jiān)控設(shè)備的方案設(shè)計,項目咨詢及集成,售后維護，公司同時也是華東地區(qū)最大的通信設(shè)備供應(yīng)商之一。 主要產(chǎn)品有： A)數(shù)據(jù)通信類: PDH光端機、光纖收發(fā)器、調(diào)制解調(diào)器(EDSL、MSDSL,HDSL、G.SHDSL、VDSL、G.SHDSL.BIS、XDSL), 協(xié)議轉(zhuǎn)換器(E1/V35、E1/RJ45、多E1轉(zhuǎn)換器),PCM綜合業(yè)務(wù)接入設(shè)備、接口轉(zhuǎn)換器、多路復(fù)用器,波分復(fù)用器(CWDM,DWDM) 、專線/機架調(diào)制解調(diào)器、高速網(wǎng)橋. B)儀器儀表類: 誤碼測試儀,協(xié)議分析儀、光源,光功率計、,光萬用表、頻譜分析儀、,光纖故障分析儀， 光時域反射儀、光電話儀、可見紅光源、光回損儀、PCM信道測試儀。 C）視頻監(jiān)控類： 視頻監(jiān)控測試儀、視頻光端機、視頻矩陣、KVM切換器、LED顯示屏。 D）網(wǎng)絡(luò)產(chǎn)品類： IBM 、DELL、,HP等服務(wù)器、筆記本、企業(yè)級PC等。CISCO路由器、交換機、防火墻。華為數(shù)傳設(shè)備，華為路由器、交換機、防火墻。H3C路由器、交換機、防火墻.LINK，TPLINK交換機，綜合布線產(chǎn)品、路由器。MOXA,RAD IFLOW工業(yè)級以太網(wǎng)交換機， 公司現(xiàn)與世界許多著名品牌建立了密切合作伙伴關(guān)系，是國內(nèi)從事數(shù)據(jù)通信接入設(shè)備的專業(yè)最大最專業(yè)的企業(yè)之一。產(chǎn)品多次入圍國內(nèi)各大電信運營商的招標項目。各類產(chǎn)品廣泛用在鐵路、部隊、電力、公安、油田、金融、煤礦、銀行等行業(yè),公司在業(yè)界得到了廣泛的認可和贊許。 主要代理品牌：   美國摩迪泰克產(chǎn)品   以色列Rad全系列產(chǎn)品
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