Page Views: 113 Date Added: 12/15/2011 Last Updated: 12/15/2011 Expiry Date: 12/12/2021 Product/Service Details 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 (75Ω) / RJ45 (120Ω) * 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: 120Ω 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) For more detail please visit our website http://www.cantongt.com/en

Company Information (Guangdong Global Telecommunication Technology Co., Ltd. )

Company Profile: Through all members enormous efforts since the foundation in 2002, Guangdong Global Telecommunication Technology Co., Ltd., Global Tech, has set up a high reputation in the data and optical communication industry. As the main equipment vendors to the operators, Global Tech has a stable and massive customer base worldwide and its products are deployed by China Telecom, China Mobile, China Unicom, Electric Power and CATV. In the mean time, closely partnered with main System Integrators, Global Tech has set up an extensive distribution networks. As the certified Hi-Tech enterprise, headquartered in Tianhe District, Guangzhou and branched in Beijing, Shanghai, Wuhan, Chengdu, Jinan, Hefei, Nanning and so on, Global Tech can provide convenient, express and excellent services and supports to our clients. Global Tech’s product portfolio consists of Ethernet Media Converter, Interface Converter, Optical Fiber MODEM, Ethernet Switch and Router, PDH Optical Line Terminal, Video Optical Line Terminal, Coarse Wavelength Division Multiplexing, OEO Wavelength Transponder, Multi Service Access/Transport Platform, Gigabit Ethernet Passive Optical Network, PLC Optical Splitter, Optical Distribution Network Cabinet and relevant data and optical communication equipments. With the constantly exploring spirit and precise attitude, Guangdong Global Telecommunication Technology Co., Ltd. pursues an extremely high quality upon the whole product portfolio. Implementing the industrial cutting-edge new technologies, Global Tech is focusing on the Research & Development activities of the telecommunication network solutions. Sufficient facilities and profound management secure the manufacturing quality, and fully qualified and experienced technical support teams secure the prompt pre- and post-sales services to customers. ISO9001:2008 certification is granted to Global Tech and all full product portfolios get the National Access License from the Ministry of Industry and Information Technology of the People’s Republic of China. Following the enterprise spirit,’ Excellence, Innovation, Efficiency, Share’, footing on the present and eyeing on the future, Guangdong Global Telecommunication Technology Co., Ltd. is striving to be the Tier One telecommunication equipment vendor worldwide.. >> More Website URL: http://www.bridgat.com/u51403