Overview: Dhodt-eoc is a converter for stm-1 converter electrical and optical interface conversion. It is designed for the pdh equipment coaxial interface and optical interface interconnect. Dhodt-eoc is an interface converter for stm-1 electrical and optical interface conversion.It is designed for the sdh equipment coaxial interface and optical interface interconnect, as well as the atm 155.520 mbps interface and sdh device interconnection. Complete loopback facility is supported for system diagnostic and commissioning.Compact casing and simple operation achieve the cost saving and investment protected. Features: 1. High reliability, comply with itu-t g.703 and g.957 2. Single fiber bi-directional is selectable 3. State-of-the-art design, ensure normal working under different environment. 4. Supports local and remote loop-back on electrical or optical interface for system diagnostic. 5. Suitable for sdh and atm 155.52 mbps interface interconnection. 6. Simple operation and maintenance 7. Compact design and low power consumption. Specifications: Electrical interface Standard:itu-t g.703 compliant Data rate:155.52 mbps Line code:cmi Physical connector:bnc coaxial Optical interface Standard:itu-t g.957 stm-1 Bit rate:155.520 mbps Coding:nrz Connector:sc Light source:laser diode Wave length:1310nm (typical), or 1550nm (optional) or single Fiber bi-directional (optional) Transmit power:-12dbm (1310nm) / -5dbm (1550nm) Receive sensitive:-36dbm (1310nm) / -38dbm (1550nm) Power supply Ac 220v10%, 50hz Dc¡¡ìc48v (optional) Consumption:5w Environment Temperature:050 Humidity: 90% (non condensing) Dimension Wd(mm): 245 x 215 x50 Carton.
Overview: As a key member of veecom metroedge-express sdh/mspp product family, dhodt-lmxe is a carrier-class, cost-effective, compact (only 3u high) stm-1/stm-4/stm-16 sdh/mspp platform that is designed for applications in metro and access networks to facilitate the efficient transport of traditional tdm and emerging data traffic for service providers. Dhodt-lmxe is a card based compact sdh equipment, designed mainly as a gateway node between the core sdh network and a number of remote cpe boxes. It may also be used as a multi service sdh adm node in a typical ring or mash network. The 3ru high 19 inch wide chassis of the dhodt-lmxe has 19 cards positions, with 2 slots for the 1+1 power cards, 1 slot for network management card, 2 slots for network interface unit(niu) cards, and 14 slots for local interface unit(liu) cards. Features: *support up to stm-1/stm-4/stm-16 *large cross-connect matrix capacity is 96*96 high order vc-4 cross connection or 2016*2016 vc-12 or 96*96 vc-3 level full cross connection *support 1+1 msp, sncp protection *management channel can be dcc/e1/vc12 *clocking mode supports: internal clock / external clock / line clock / clock holdover *ethernet service supporting gfp encapsulation, vc12 virtual concatenation and lcas, p vlan and 801.1q vlan *e1 ber tester is embedded *support up to 110 ethernet over 8*e1 (eopdh or eoe) remote cpes *support up to 756 ethernet over 1*e1 (eopdh or eoe) remote cpes *support up to 110 ethernet over vc-12 (eosdh or eos) remote cpes *online upgrading *full redundancy design Carton.
V-rebplus is a 10/100m, self-adaptive, high performance, self-learning, remote ethernet bridge. Its low cost make it suitable for cost-sensitive bridging application or as a lan extender or subsection. When it is used as a extender or subsection, it can forbid filtrating to let all of the amount of traffic are transmitted in wan. Its 10 base-t interface can run in full duplex ethernet with topology and improve data throughput by eliminating the padding bit in 64 bytes frame. Variable speed up to 10mbps on the wan line is supported transparently. The line rate may be adjusted in running without any influence to v-rebplus. V-reb plus does not perform any negotiation over the link, which is specially suitable for satellites and other wireless broadcast applications. Features: *10/100m high fast powered self-adapting self-educated long-range ethernet bridge. * lan according with: ieee802.3/ieee802.3u/ethernet interface: utp(rj45) * wan interface: v.24/rs232 & v.35 optional * wan line speed rate reaches up to 10mbps. * speed of filtrating and transmitting is up to 30000 frame/ second. Buffer is 16m. * it can store up to10000 mac. And mac addresses have functions of automatically learning and updating. * ethernet utp interface has function of vlan802.1q. There have two transmitting mode to choose: data and image. * automatically learn mac addresses on the lan to which it is connected, and forward only those frames destined for another lan. Carton.
Overview: GVE-Tplus is E1 to V.35/V.24/RS232 and Ethernet Converter. Other series interface RS449/RS530/X.21 also can be optional. E1 port can support BNC/75ohm and RJ45/120ohm optional. This device provides an economical digital access solution for E1 and fractional E1 network services. With a adapter cable, the device can connect to other DTE device, such as router, at data rates of 64Kbps to 2048Kbps.User data is placed into the E1 frame, using only the required number of timeslots, timeslot assignment is accomplished according to the data port speed and manual setting of DIP switches. The V.35 or V.24/RS232 and Ethernet share the 2Mbps bandwidth, the total bandwidth of the 2 interfaces must be not more than 1984Kbps.GVE-Tplus is widely used in communication network, both in WAN and LAN connection field. Features: *Comply with ITU V.35, G.703, G.704, G.706, G.823 *Full comply with IEEE 802.3 /IEEE 802.1Q (VLAN) *Framed (N*64Kbps) and unframed (2.048Mbps) optional *Ethernet port 10Mbps, Full/Half Duplex mode compatible *Frame mode support PCM30/PCM31 *Support CRC4 *Support internal clock, E1 recovery clock or V.35 line clock *Provide analog and digital loopback and remote digital loopback test *For E1 interface, 75ohm (unbalanced) and 120ohm (balanced) optional *For data interface, V.35 and V.24/RS232 optional *Comprehensive LED indicators on front panel, convenient for the diagnosis of equipment working state *Stand-Alone and Rack-Mount available *16-slots, elaborate cooling design and two redundant power supplies *Support management *-48V DC & 220V AC power supply optional Specifications: E1 & FE1 interface Comply with ITU G.703,G.704,G.706,G.823 Rate:2.048Mbps;N*64Kbps(N=1~31) Code type:HDB3 Impedance:75ohm unbalanced & 120ohm balanced optional Physical interface:BNC coaxical for unbalanced RJ45 twisted pair for balanced Ethernet interface Comply with IEEE 802.3/IEEE 802.3Q(VLAN) Rate:10Mbps,Half/Full auto-negotiation MDI/MDI-X optional Physical interface:10 Base-T(UTP);RJ45 V.35,V.24/RS232 interface Comply with V.35,V.24/RS232 standard Rate:2048Kbps;N*64Kbps(N=1~31) Transmission mode:Synchronization Data interface:V.35 or V.24/RS232 Physical interface:DB25 female jack,V.35 via external adapter Work mode:DCE Power supply AC power:220V¡¨¤10%,50Hz DC power:-48V(optional) Power:5W Environment Temperature:0¡«40¡æ Humidity:0¡«95% RH Carton.
Overview E3/t3-t is state of the art network termination units (ntu) connecting fast ethernet lans over e3 or t3 circuits. The devices enable service providers and isps to supply transparent. Ethernet services to remote locations over existing e3/t3 infrastructure. The devices can be used in a point-to-point application and widely used in lnteroffice or enterprise lan connection. E3/t3-t has one unframed e3 or one framed t3 port, and one 10/100basetx port. Packets are forwarded from the ethernet network to the e3 or t3 network at wire-speed, fully utilizing the expensive tdm circuit bandwidth. Features: * best price performance ethernet over e3 or t3 intelligent converter in the market * wire-speed forwarding fully utilizing the e3 or t3 circuit * vlan stacking and tagging enabling service providers to provide layer 2 transparent lan services while securing providers management * fault propagation of e3 or t3 error conditions to ethernet port * diagnostic collection on tdm and ethernet interfaces * comprehensive led indicators on front panel, convenient for the diagnosis of equipment working state * -48v dc & 220v ac power supply optional. Specifications E3 interface Comply with itu g.703 Rate: 34.368 mbps Code type: hdb3 Impedance: 75ohm unbalanced l Physical connector: bnc coaxial for unbalanced T3 interface Comply with gr-499-core, ansi t1.107, ansi t1.102 Rate: 44.736 mbps Code type: b3zs Impedance: 75ohm unbalanced l Physical connector: bnc coaxial for unbalanced Power supply Ac power: 220v+-10%, 50hz Dc power: - 48 v (optional) Power: 5w Environment Temperature: 0-40oc Humidity: 0-95% rh Carton.
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