10dBm power, 65dB gain, covering 100 ~ 600 square meters. Standard exporting carton, foam case.
Technical Specifications Operating standards: IEEE802.3z/AB, 10/100/1000Base-T and 1000Base-SX/LX/HX MAC address table: 4K Data Buffer: 256K Connector: UTP: RJ-45,10/100/1000Mbps; Fiber: LC,1000Mbps Cable : UTP cable: Cat 5e or Cat 6 (the max distance up to 100m) Fiber : multimode : 50/125, 62.5/125¦Ìm (the max distance up to 550/224m) singlemode : 8.3/125, 8.7/125, 9/125¦Ìm (the max distance up to 100km) Flow control Full Duplex: IEEE802.3x Half Duplex: back pressure. Power: AC 220V(170-260V) 50Hz; DC 5V£¬1A Ambient temperature: 0 ¡« +50 Storage temperature: -20 ¡« +70 Humidity: 5% ¡« 90% Dimensions: Internal Power: 40 (high) x 110 (width) x 140 (length) mm External Power: 26 (high) x 70 (width) x 93 (length) mm.
Technical Specifications Operating standards: IEEE802.3z/AB, 1000Base-T and 1000Base-SX/LX MAC address table: 4K Data Buffer: 256K Connector: UTP: RJ-45,10/100/1000Mbps; Fiber: SC,1000Mbps Cable : UTP cable: Cat 5e or Cat 6 (the max distance up to 100m) Fiber : multimode : 50/125, 62.5/125¦Ìm (the max distance up to 550/224m) singlemode : 8.3/125, 8.7/125, 9/125¦Ìm (the max distance up to 100km) Flow control Full Duplex: IEEE802.3x Half Duplex: back pressure. Power: AC 220V(170-260V) 50Hz; DC 5V2A Ambient temperature: 0 ¡« +50 Storage temperature: -20 ¡« +70 Humidity: 5% ¡« 90% Dimensions: 40 (high) x 110 (width) x 140 (length) mm .
OFS Gigabit Single Fiber Converter can convert Optical£Electric Ethernet signals between 10/100/1000M UTP interface (TX) and 1000M optical fiber interface (FX). The traditional 10/100/1000M gigabit Ethernet can be extended to the distance of 90km through single optical fiber link. The performance and quality of the products are excellent because of adopting latest Gigabyte IC from USA and Taiwan. It must be used in couples because the transmitted optical differs from the receive optical in wavelength. 6 Group LED indicated lights could fully monitor the working conditions of converters. It is easy for users to observe and diagnose the failure of converters. Main features The transmission of a channel signals can be completed by single fiber. It has doubled in quantity of fiber data transmission compared with twin fiber. Auto negotiation function allows UTP port to auto select 10/100/1000M and Full Duplex or Half Duplex The UTP port supports MDI / MDI-X auto crossover. Supporting the max 1536 bytes packets Adopting internal power supply to insure equipment at long-hours work stably. Technical Specifications Operating standards: IEEE802.3z/AB, 1000Base-T and 1000Base-SX/LX MAC address table: 4K Data Buffer: 256K Connector: UTP: RJ-45,10/100/1000Mbps Fiber: SC,1000Mbps. Cable : UTP: Cat.5e or Cat.6 (the max distance up to 100m) Fiber (singlemode): 8.3/125, 8.7/125, 9/125, 10/125µm (the max distance up to 90km) Flow control: Full Duplex: IEEE802.3x Half Duplex: back pressure Power: AC. 220V(170-260V) 50Hz; DC. 5V 2A Ambient temperature:0 ¡« +50 Storage temperature:-20 ¡« +70 Humidity:5% ¡« 90% Dimensions:40 (high) x 110(width) x 140 (length) mm.
14 Slots Media Converters Rack It is acceptable for the most 14 sets of 10M, 10/100M 10/1001000MMedia Converters within a rack-mountable chassis which is supplied with unified power. Installing at the center of network, the Rack not only reduce the links, simplify the structure, but also ease for management and maintenance. Main features: The power of the Rack can be supplied by the type of single power or dual power. Adopting dual power supply, the load of each power can be reduced and the life of the power would extend. When one power supply is at fault, the other one can still work independently. It would enhance the reliability of the RACK. Supplying the Converters or Powers to be plugged and played. It is possessed of stable performance, large capacity of power supply, and ease for management and maintenance 2U high: 19-inch standard design Technical Specifications: Capacity : 14 slots available Power: Input: AC 100 ¡« 260V, 50¡«60HZ Output: DC +5V 12A Power protection: protection from over voltage, over current and short circuit Working temperature: 0¡«50 Storage temperature: -20¡«70 Relative Humidity: 5%¡«95% Dimensions: 485 (wide), 245 (length), 90 (high) mm.
Operating standards: IEEE802.3u, 10/100Base-TX and 100Base-FX MAC addresses table: 1K Data buffer: Built-in 128Kbyte RAM . Connectors: UTP Connector: RJ-45, 10/100Mbps; Fiber Connector: ST/SC/FC, 100Mbps Cable: UTP: Cat. 5 (the max distance up to 100m) Fiber ( Multimode): 50/125, 62.5/125m, the max distance up to 2km or 5km Fiber ( Singlemode): 8.3/125, 8.7/125, 9/125, 10/125m, the max distance up to 20 -120km Flow Control Full Duplex: Supporting standard IEEE802.3x Half Duplex: back pressure LED: Power, FX SD, FX Link/Act, TX 100, TX FDX, TX Link/Act. Power Requirement: AC 170 ¡« 240V, DC 5V. Ambient Temperature: 0 ¡« 70 Humidity: 5 ¡« 90% Dimensions: Internal power: 30, 110, 140mm External power: 26, 70, 93mm.
FC, SC, ST, LC, MU, MTRJ, MTP/MPO, DIN, ESCON, D4, ESCON ,VF-45 etc. Low insertion loss. High return loss. G652,G655,G65/ fiber, LSZH, Plenum and Hytrel cables available. Simplex or duplex. Single mode or multimode. Fiber optic patch cables are suited for equipment jumper cord, cross connects, and work area connections. All fiber optic patch cord cables are manufactured using riser grade cable and are factory tested to make sure performance to meet Telcordia standards. Patch cords are available in both multimode and singlemode, in duplex and simplex.
Global Tech PMUX-E series manageable PDH has adopted the state-of-the-art technologies and advanced FPGA to provide 1E1/4E1/8E1/16E1 multiplexing and optical electrical regeneration. With plug and play modularized design, GP6 can support all kinds of customized service requirement. The equipment able to support more than 2FE with shared bandwidth 10/100/1000M. * Provide max. 16 E1 channel transparent transmission with 4 wire speed 10M/100/1000M Ethernet channels. Fully comply with G.703 and IEEE802.3 * With optical line bit rate at 155.52Mbps, reach the max. 120KM transmission distance. * 1+1 optical interfaces support forced switch and automatic protection switch. * Support Automatic Laser Shutdown on all optical interfaces. * E1 interface supports HDB3 E1 coding and comply with G.703, G.823 and G.742. * 4 Ethernet interfaces support full/half duplex auto negotiation. * Transparent transport IEEE802.1Q and flow control are provided at Ethernet Interfaces. * Sophisticated alarm function. Monitor the remote end equipment status from local end. * Support E1 loop back function on local and remote end, with convenience for equipment maintenance and management. * Support Engineering Order Wire with standard phone set. * Rack mounted chassis and standalone desktop configurations are available. * Desktop configuration provides RS232 management port. Chassis configuration provides Ethernet and RS232 management port. Both configurations support E1 in-band management. Specification Optical Interface * Wavelength: 1310nm, 1550nm * Tx Power: ¡Ý -10dBm * Rx Sensitivity: ¡Ü -35dBm * Rx Range: > 27dB * Connector: FC, SC Ethernet Interface * Work Mode: Full/half duplex, auto negotiation * Bit Rate: Support max. 100/1000M wired line Ethernet * Connector: RJ45 * Related Standard: IEEE802.3 * MDI/ MDIX auto negotiation. E1 Interface * Bit Rate: 2.048M bps * Coding: HDB3 * Impedance: 75,120 * Related Standard: ITU-T G.703, G.821, G.82 Operation Environment * Working Temperature: -10C~ 60C * Storage Temperature: -40C~ 85C * Relative Humidity: 0%~95%, non-condensing * No corrosive and solvent gas, no dust and heavy EMI * Power Supply: AC 220V, DC -48V.
Global Tech economic multi-service SDH is fully compliant with ITU-T and China domestic SDH standard, and can benefit your network with compact design, flexible topology and intelligent architecture. GT-SDH-155B provides two STM-1 optical line interfaces, versatile E1, V.35 and FE multiplexing and transmission, ITU-T G.813 compliant NE timing, VC-12 level switching and path protection mechanism. GT-SDH-155B can operate as ADM or TM to construct point-to-point, chain and ring networks. * Compact 1U design, 19¡± standards rack and less space consumption. * Support Ring,Chain and P to P topology structure, Perfect NMS and CLI Management. * 2 STM-1 optical interfaces, optional 1+1 protection operation. * 2~ 8 GFP applied FE interfaces(or droping in 2 Gigabit Ethernet), optional 4~ 16 E1 interfaces, 1~ 2 V.35 interfaces. * Configurable N* 64K V.35 interface, N=1~ 32. * Remote Power Monitoring and Loopback Test. * Remote management and centralized management. Support DCC over VC-12. * Dual power supply: DC -48V, AC 220V. Technical Parameter Optical Interface * Optical Port: S1.1, L1.1, L1.2 * Wavelength: 1310nm, 1550nm * Coding: NRZ * Max. Spectrum Width (RMS): G.957 * Max. Tx Power: -8/ 0dBm * Min. Tx Power: -15/ -5dBm * Extinction: 8.2/ 10dB * Rx. Sensitivity: -28/ -34dBm, BER 10-10 * Rx. Overload: -8/ -10dBm, BER 10-10 Ethernet Interface * 10M/ 100/1000M auto negotiation * Full/half duplex auto negotiation * MDI/ MDIX auto negotiation * Connector: RJ45 * Related Standard: IEE802.3, IEE802.1Q(VLAN) * MAC Address Table: Up to 4096 E1 Interface * Coding: HDB3 * Bit rate: 2.048M bps ¡À50ppm * Connector: BNC (75¦¸) / RJ11 (120 ¦¸) V.35 Interface * Bit Rate: N* 64Kbps, N=1~ 32 * Electric Feature: ITU-T V.35 * Terminal Interface: ISO2593 Operation Environment * Working Temperature: -50~ 50 * Storage Temperature: -40~ 85 * Related Humidity: 5%~ 95%, non-condensing * No corrosive and solvent gas, no dust and heavy EMI * Power Supply: AC 220V, DC -48V * Power Consumption: ¡Ü 20W * Physical Dimension: 483mm(W)* 45mm(H)* 154mm(D).
Global Tech GFP EoP, Ethernet over PDH, Interface Converter can transport GFP encapsulated Ethernet service over 1 up to 16 E1 channels. Fully comply with G.7041, G.7042, G.7043, and G.8040 recommendations, GFP Interface Converter can cooperate with the products from other manufactures adopted the same recommendations. GFP Interface Converters can transform traffic between E1 interface and Ethernet interface, and utilize current adequate E1 resources to extend the Ethernet transmission distance and coverage range without any network reformation. Feature * GFP encapsulation based Ethernet interface can cooperate with other vendors GFP based Ethernet equipments. * Up to 4 Ethernet interfaces. * Switching Ethernet interfaces isolation is configured by E1 channel or 802.1Q through NMS, disabled by default. * Automatically Fault Shifting function. * Support Telnet/Web browser/SNMP NMS management. Strong NMS function to support client managing in complicate topology. Technical Parameter * E1 Interface - Bit Rate: 1.984M bps - Coding: HDB3 - Impedance: 75, Unbalanced/ 120, Balanced - Port Feature: G.703 and G.704 - Connector: Q9 (75)/ RJ45 or RJ48-C (120) * Ethernet Interface - 10M/100M auto negotiation - Full/half duplex auto negotiation - Port Quantity: 1, up to 4 ports - MDI/MDIX auto negotiation - Related Standard: G.7041, G.7042, G.7043, G.8040 * Optical Interface - Wavelength: 850nm, 1310nm, 1550nm - Optical Port: Single Fiber/ Dual Fiber, FC/SC, Transmission Distance, SMF/ MMF optional. - Tx Power: > -8dBm, 40km - Rx Sensitivity: < -36dBm, 40km * Operation Environment - Working Temperature: -10~ 55 - Storage Temperature: -40~ 70 - Relative Humidity: 5%~ 95%, non-condensing - No corrosive and solvent gas, no dust and heavy EMI - Power Supply: AC 180~ 260V, Desktop, DC -72~ -36V, Chassis - Support 1+1 dual power supply in chassis configuration - Typical Consumption: 5W, Desktop 75W, Chassis - Physical Dimension: Desktop, 19¡± Rack-mountable: 218mm(W)*44mm(H)*136mm(D) Chassis: 483mm(W)*171mm(H)*177mm(D).
Global Tech GT-SDH-155A 63E1 SDH is the compact STM-1 level Synchronous Digital Hierarchy (SDH) transmission system compatible with ITU-T standard. It is designed as a modular system with two 155.520Mb/s optical interfaces to provide an ultra-compact, cost-effective and high capacity platform. It provides fully cross-connect between all tributaries, and can be used as Terminal Multiplexer (TM) or an Add-Drop-Multiplexer (ADM) to build point-to-point, ring and chain transmission network. Feature # Achieve Multiplexing from 63 E1 to 2 STM-1 optical interfaces # 1U height, 19 Inch width standard # Service interface * Two STM-1 optical interfaces, SFP optical module (LC connector) * Maximum 63 E1 interfaces compliant with ITU-T G.703, optional unbalanced/ balanced interface # System interface * Ethernet management interface: EMU (RJ45 connector) * RS232 network management interface: CONSOLE (RJ45 connector) * RS232 user channel interface: RS232 (RJ45 connector) * External synchronization interface / Extendable management interface : ETS1/EXM1, ETS2/EXM2 (RJ45 connector) * Engineering Order Wire (EOW) interface: PHONE (RJ11 connector) * UALM and DALM output interface: U/DALMO (DB9 connector) # Timing mode * STM-1 line timing (T11,T12) * Tributary timing from E1-1 to E1-63 (T2) * External timing source input (T31/T32), 2048Kbit/s by default and 2048KHz selectable * External timing output (T41/T42), 2048Kbit/s by default and 2048KHz selectable * ITU-T G.813 internal oscillator * The timing source can be auto-switched according to SSM or operator settings # Supports 1+1 protection and Automatic Protect Switch (APS) with the switching time less than 50ms # Supports Remote power Down Detection (RPD) and Auto Laser Shutdown (ALS) # Supports embedded BERT and various loop back for troubleshooting # Highly efficient management system * Supports NE management based on CLI command via RS232 interface or TELNET * Supports Network management based on PC via unified platform: GTVIEW * Supports three network management types: Traditional DCC management, Inner DCN management (by some VC12 channel) and outer DCN management (by E1 cable via outer EXM interface). # Power system * Two backup power supply * 220V AC or-48V DC single power * -48V DC & 220V AC double power * -48V DC & -48V DC double power * 220V AC & 220V AC double power * Power consumption less than 25W Technical Parameter System Fabric * Cross Connect: 4* 4 VC-4 Optical Interface * Optical Port: S1.1, L1.1, L1.2 * Connector: SC, FC * Wavelength: 1310nm, 1550nm * Coding: NRZ * Max. Spectrum Width(RMS): G.957 * Max. Tx Power: -8/ 0dBm * Min. Tx Power: -13/ -5dBm * Extinction: 8.2/ 10dB * Rx Sensitivity: -28/ -34dBm, BER 10-10 * Rx Overload: -8/ -10dBm, BER 10-10 E1 Interface * Coding: HDB3 * Bit Rate: 2.048Mb/s + 50ppm * Connector: BNC (75) / RJ45 (120) * Standard:ITU-T G.703,G.704,G.823 ETS/EXM interface * Line Clock: E1, STM-1 Optical Link * Internal Clock: Internal Oscillator * Bit rate:2.048Mb/s, 50ppm * Impedance: 120 balanced Ethernet management interface(EMU) * Bit rate: 100Mb/s * Connector: RJ45 Operation Environment * Working Temperature: -10C~ 70C * Storage Temperature: -40C~ 85C * Relative Humidity: 5%~ 95%, non-condensing * No corrosive and solvent gas, no dust and heavy EMI * Power Supply: AC 220V, DC -48V * Power consumption: 25W, 10% * Physical Dimension: 484mm, 44mm, 255mm (width , height , depth).
Overview Handheld Portable Gigabit Ethernet Tester This handheld Gigabit Ethernet tester is used for the installation and maintenance of 10M/100M/1000M Ethernet. Its functions include network testing, data packet capture, traffic generation, cable testing and BER testing. The Ethernet tester is widely used in BER testing of layer1, layer2, layer3, and RFC-2544. Key Features Handheld Portable Gigabit Ethernet Tester Ergonomic design and easy to carry Jacket cover, tie-in protection, lanyard, hands-free viewing 4.3 in LCD color touch screen, smart navigation menus Results can be shown as texts or graphics 128 sites full line rate 10/100/1000 Mbps traffic transmission RFC2544 automated test, fast network testing and fault location LED indicator, LCD display Large capacity memory for storage of settings and results Online upgrade of firmware Basic Functions Handheld Portable Gigabit Ethernet Tester Full RFC2544 benchmark testing: throughput, frame loss rate, latency and back-to-back Single and multiple site traffic generation Compatible with VLAN tag Connectivity testing: PING, TRACE, ARP SCAN. Conducts termination mode test and frame length, frame type and used ratio status Optical power test and optical module temperature, working current and voltage test Cable VCT: capable of identifying short circuit, open circuit, cable length. Interruption time test Provides test tools including port positioning, packet capture, loopback. Provides external USB drive for data exchange Includes Test Manager Pro software for data management.
Features: 1.Cost effective for your own local CATV system 2.A/V output for widely application 3.Humanized design, easy to install, easy to operate 4.VHF / UHF operating frequency 5.Output level adjustable 6.Audio Output Level Adjustable 7.Channel digital display 8.Output Channel Selectable. Specifications: ITEMM64 StandardPAL /NTSC Frequency RangePAL ú¦CH2~CH4íóS1~S10íóCH5~CH12íóS11~S41íóCH21~CH69 NTSCú¦002~136 Bandwidth6MHzíó7MHzíó8MHz Output Impedance75OHm Output level80~95dBuV Input Level0.77Vp-p for 80%+/-10% modulation Sound systemM=4.5MHzíóB/G=5.5MHzíóI=6.0MHzíóD/K=6.5MHz Isolation From Modulator to CATV inmore than 30dB Insertion Lossless than 1.5dB A/V connectorScart female RF InputF female RF OutputF female Power Consumption9Volt DC, 300mA Operating Temperature-10íµ ~ +60.
FC adapter metal housing and either a precision zirconia or a rugged phosphor bronze sleeves. Zirconia sleeve enables stable connection and thus enhances performance, and is ideal for single mode applications. Phosphor bronze sleeve provides durability, and is ideal for multimode applications. Square flange mount and "D" hole mount styles are available. Features : Low insertion loss Good exchangeability and repeatability Zirconia or phosphor-bronze sleeve Simplex or duplex Flange mount style Applications: Telecommunication Computer networks CATV networks Active device termination Instrumentation Export standard packaging
1 U Fiber optic patch panel Rack mounted 24 ports Instal SC,FC,ST and LC adaptor intensified & insulated material Features: The shell is high intensified & insulated material, thus having excellent mechanic performance It is solid and durable Fiber input:4 Adapters output:24 cores Strength core and shell was insulation, add with grounding lead Suitable for inserting installation of SC,FC,ST and LC adaptor Full accessories for convenient operations Export standard packaging, custoomized
Overview: Xtend Voice Logger is a multi-channel voice logging tool that works in cohesion with audio channels, analog, digital and VoIP telephone lines. Xtend Voice Logger helps in improving customer service by enabling the upper level management to review the actual telephone conversation with the customer. Continuous evaluation ensures customer satisfaction and quality management in an organisation. Applicable areas include call centers, share traders, security undertakings, banks, hospitals, enquiry departments etc. Features: * Audio logs of all calls User-friendly browser-based interface * Multi-login facility with administrative rights * Advanced search with extensive options * Audio compression to multiple formats * Records complete call information * Real-time monitoring of calls from any location * Client pop-ups for incoming and outgoing calls * Audio Player for call analysis * Data backup, restore and export * Multiple product connectivity to single PC * Scalable to log higher densities * Customise call tags and add comments * Phone Book for quick identification.
Communication towers Depending on terms of contract
Key Features of the IP Phone UTP3000 - 3 lines indicators with individual SIP account profiles - SIP supports SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer/ IP call - Compatible with IAX2 protocol - Large 128X96 high resolution graphic backlit LCD (3.2í¦) - RJ9 and 3.5MM headset jack - 6 programmable keys, 3 context-sensitive soft keys, a 5-position navigation key, volume keys and predefined keys for voicemail, call transfer, call hold, mute, redial, speaker, phonebook, etc. - Full-duplex speakerphone with advanced acoustic echo cancellation (96ms max filter length). - Dual 10/100Mbps Ethernet ports (switched/routed) with integrated Power over Ethernet (802.3af) - Support DHCP (client/server), Static IP, PPPoE for xDSL - Support codec: G.711(A-law/u-law), G.723.1 (5.3k/6.3k), G.729A/B, G.726, G.722 - Advanced Digital Signal Processing (DSP) to ensure superb hi-fidelity audio quality - Support Silence Suppression, VAD (Voice Activity Detection), CNG (Comfort Noise Generation), Line Echo Cancellation (G.168/165), and AGC (Automatic Gain Control) - DTMF relay: RFC2833, SIP info - Call features: voicemail, SMS, caller ID display or block, conference call, call Forward, call Transfer (blind or attended), call hold, call waiting, paging and intercom, call park/pickup, join call, click to dial, DND, black list, limited list, call history - Call Logs: Incoming call, Outgoing call, Missed call (100 entries each); Phonebook: 500 entries - Support NAT Traversal (STUN); VLAN (voice VLAN / data VLAN); QoS with diffserv; VPN (L2TP); SRTP security protocol; SNTP Client; DMZ; Firewall; DNS relay; Main DNS and secondary DNS server. - Support auto-provisioning through TFTP/TFP/HTTP for mass deployment - Support management via keypad, web interfaces and telnet - Reversible base stand / wall mount. 10 PCS/CTN. Carton Meas.:640X370X305mm Inner Box Dimension:315X290X70mm
Key Features of the IP Phone UTP3000 - 3 lines indicators with individual SIP account profiles - SIP supports SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer/ IP call - Compatible with IAX2 protocol - Large 128X96 high resolution graphic backlit LCD (3.2í¦) - RJ9 and 3.5MM headset jack - 6 programmable keys, 3 context-sensitive soft keys, a 5-position navigation key, volume keys and predefined keys for voicemail, call transfer, call hold, mute, redial, speaker, phonebook, etc. - Full-duplex speakerphone with advanced acoustic echo cancellation (96ms max filter length). - Dual 10/100Mbps Ethernet ports (switched/routed) with integrated Power over Ethernet (802.3af) - Support DHCP (client/server), Static IP, PPPoE for xDSL - Support codec: G.711(A-law/u-law), G.723.1 (5.3k/6.3k), G.729A/B, G.726, G.722 - Advanced Digital Signal Processing (DSP) to ensure superb hi-fidelity audio quality - Support Silence Suppression, VAD (Voice Activity Detection), CNG (Comfort Noise Generation), Line Echo Cancellation (G.168/165), and AGC (Automatic Gain Control) - DTMF relay: RFC2833, SIP info - Call features: voicemail, SMS, caller ID display or block, conference call, call Forward, call Transfer (blind or attended), call hold, call waiting, paging and intercom, call park/pickup, join call, click to dial, DND, black list, limited list, call history - Call Logs: Incoming call, Outgoing call, Missed call (100 entries each); Phonebook: 500 entries - Support NAT Traversal (STUN); VLAN (voice VLAN / data VLAN); QoS with diffserv; VPN (L2TP); SRTP security protocol; SNTP Client; DMZ; Firewall; DNS relay; Main DNS and secondary DNS server. - Support auto-provisioning through TFTP/TFP/HTTP for mass deployment - Support management via keypad, web interfaces and telnet - Reversible base stand / wall mount. 10 PCS/CTN Carton Meas.:640X370X305mm Inner Box Dimension:315X290X70mm.
Key Features of the IP Phone UTP3000 - 3 lines indicators with individual SIP account profiles - SIP supports SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer/ IP call - Compatible with IAX2 protocol - Large 128X96 high resolution graphic backlit LCD (3.2í¦) - RJ9 and 3.5MM headset jack - 6 programmable keys, 3 context-sensitive soft keys, a 5-position navigation key, volume keys and predefined keys for voicemail, call transfer, call hold, mute, redial, speaker, phonebook, etc. - Full-duplex speakerphone with advanced acoustic echo cancellation (96ms max filter length). - Dual 10/100Mbps Ethernet ports (switched/routed) with integrated Power over Ethernet (802.3af) - Support DHCP (client/server), Static IP, PPPoE for xDSL - Support codec: G.711(A-law/u-law), G.723.1 (5.3k/6.3k), G.729A/B, G.726, G.722 - Advanced Digital Signal Processing (DSP) to ensure superb hi-fidelity audio quality - Support Silence Suppression, VAD (Voice Activity Detection), CNG (Comfort Noise Generation), Line Echo Cancellation (G.168/165), and AGC (Automatic Gain Control) - DTMF relay: RFC2833, SIP info - Call features: voicemail, SMS, caller ID display or block, conference call, call Forward, call Transfer (blind or attended), call hold, call waiting, paging and intercom, call park/pickup, join call, click to dial, DND, black list, limited list, call history - Call Logs: Incoming call, Outgoing call, Missed call (100 entries each); Phonebook: 500 entries - Support NAT Traversal (STUN); VLAN (voice VLAN / data VLAN); QoS with diffserv; VPN (L2TP); SRTP security protocol; SNTP Client; DMZ; Firewall; DNS relay; Main DNS and secondary DNS server. - Support auto-provisioning through TFTP/TFP/HTTP for mass deployment - Support management via keypad, web interfaces and telnet - Reversible base stand / wall mount. 10 PCS/CTN Carton Meas.:640X370X305mm Inner Box Dimension:315X290X70mm.