GW7900 Là sản phẩm ATM Pseudowires, ATM to Ethernet Bridging & STM1-STM4 Data Capture của hãng Virtual Access–Ireland hiện đang được BKAII phân phối rộng rãi tại thị trường Việt Nam. GW7900 được thiết theo tiêu chuẩn công nghiệp, nhỏ gọn, dễ dàng lấy được tín hiệu về PLC, máy tính, vi xử lý, máy tính nhúng. Sản phẩm hiện đang được sử dụng trong các bài toán M2M, IoT của các lĩnh vực: Điện lực, khí tượng thủy văn, giao thông minh, hệ thống kiểm soát an ninh,…
Tính năng của sản phẩm:
- Management
•SNMP v1, v3
•Telnet Server
•SSH Server
- ATM Encapsulation Modes
•ATM PWE3 1-to-1 encapsulation as specified by draft-ietf-pwe3-atm-encap-10
•MPLS labels used as the PW demultiplexor
•PWE3 circuits can be created, one per ATM
- Virtual Path or Virtual Circuit
•PWE3 circuit can specify cell concatenation value.
•Each PWE3 circuit must specify MPLS label
•Each PWE3 circuit must specify egress IP tunnel
•Full ATM QoS supports Virtual Path or Virtual
- Circuit shaping and policing
•Each IP tunnel must specify source and destination IP address
•ATM AAL-0 mode forwards by cell with timer option
•ATM AAL-5 mode forwards by AAL-5 frame, SAR function included
- Ethernet Bridging
•Mac Bridge as per IEEE 802.1D
•VLAN Bridge as per IEEE 802.1Q
•Provider Bridge as per IEEE 802.1ad
•A bridge can either be VLAN aware or VLAN unaware
•Broadcast frames will be forwarded to all other ports on the bridge.
•VLANs must be supported as per IEEE 802.1Q-2005 Clause 9. No support for Clause 9.7 E.RIF will be provided.
•Customer and Service VLANs must be supported as per IEEE 802.1ad Clause 9.
•MAC-learning (both Shared VLAN Learning and Independent VLAN Learning) with configurable MAC aging times
•MAC pinning
•64K MAC table size
•Split horizon groups
•Up to 256 VLANs supported
•Double tagged Ethernet frames (C- and Stags) are supported
•Priority tagging of untagged frames on a per interface basis
•Configurable priority mapping for each S-VLAN (either fixed or copied from the C-tag). Untagged frames can be prioritised based on IP DSCP bits
- ATM OAM Support
•OAM cells terminated or generated locally
•OAM cells passed through transparently
- SONET/SDH Interface
•Two OC-3/STM-1 SFP ports; Quad OC-3/STM-1 SFP ports or Single OC-12/STM-4 SFP port
- Ethernet Interfaces
•Two Gigabit Ethernet SFP ports
•Supports copper or fibre SFPs
- Management Interface
•Single 10/100 Mbps Ethernet port
- Console
•Single RS-232 RJ-45 port
External Clock
•Supports external telecom clock input and output
- Clock Recovery
•Clock generation using IEEE1588 or Synchronous Ethernet ITU G.8264
- Error Correcting Code Memory
•ECC memory is used on all internal DDR memory buses to ensure data integrity
- Approvals and Certificates
•EN60950 safety approval
•EN55022 and EN55024 EMC
- Power
•100V-240V AC, 30 watts
•IEC mains connector
•Dual AC power input option available
- DC Power Input Option
•36-72V DC isolated inputs
•Screw terminals
•Dual DC power input option available
- Physical and Environmental
•Unit size 325W x 210D x 44Hmm
•Weight 2Kg
•Operating temperature 0°C to 55°C
•Storage temperature -40°C to 70°C
Các bài viết tham khảo:
"BKAII - Thiết bị truyền thông TỐT nhất với giá CẠNH TRANH nhất!"