DAS-3626

VDSL2 IP DSLAM with 24 VDSL Ports and 2 Combo 1000Base-T/SFP Ports

Apraksts

The DAS-3626 ia 6-band high-speed VDSL2 switch that leverage the extraordinary bandwidth of VDSL2 technology, the next step in the delivery of new high-speed Internet applications to home and office users. Designed for deployment in apartment buildings, hospitals, factories and offices, these CO (central office) devices provide VDSL access to the CPE (consumer premise equipment) such as the Bridge Remote Units (modems) from the subscribers. This switch connects to the service provider's public optical network (PON) through its Gigabit Ethernet fiber interfaces. It provides the last mile connection by extending the public high-bandwidth network to people living and working in multi-unit, multi-tenant buildings, and is ideal for carriers offering concurrent high-speed Internet access, multimedia services and packet telephony services.
 
High-speed Internet Access
The DAS-3626 switch offers the 6-band VDSL technology for telecom carriers to address the increasing service demands, delivering up much higher broadband speeds over a single copper pair. It supports both symmetric and asymmetric applications and cover various deployment scenarios in home and enterprise networks. 
 
24 VDSL Ports & 2 Gigabit Uplinks 
The DAS-3626 switch provides 24 Ethernet over VDSL (EoVDSL) ports respectively. This switch also provides 2 combo 1000Base-T Gigabit ports/SFP slots for uplinks to the carrier's optical network.
 
Automatic Connection and Continuous Telephone Service
Connection to the VDSL modems at the CPE side is automatic when you turn on the power of the DAS-3626 switch. Using the original setting, there is no need for you to re-configure the system. The DAS-3626 switch is equipped with built-in splitter per VDSL port, dispensing system integrators of the need to install separate voice splitters for the phone lines. This facilitates carriers' offering of simultaneous data/voice services (including telephone, fax and ISDN) on the same line for end-users. Uninterrupted telephone service is guaranteed even when the switch's power is turned off, or in an event of a power outage or a hardware failure.
 
Complete FTTH/FTTB Solution
The DAS-3626 VDSL2 switch is a part of D-Link's total solution for Fiber to the Home/Fiber to the Building that takes advantage of the VDSL-over-Ethernet technology. This solution includes VDSL modems, multi-port VDSL routers and multi-port VDSL switches. 

Īpašības

Device Interfaces
• 24 VDSL ports (1 RJ-21 connectors)
• 24 PSTN splitters (1 RJ-21 connectors)
• 2 combo 10/100/1000Base-T/SFP ports
• 1 RJ-45 10/100Base-TX management port
• 1 RJ-45 Alarm port
• 1 RS-232 console port
 
LEDs
• AC
• DC
• PWR
• SYS
• ALM
• FAN
• MGMT
• VDSL2 Line (per port)
• 25 and 26 (per combo port)
 
VDSL Standards
• ITU-T Rec.G.993.2 Annex A and Annex K
• ITU-T Rec.G.993.2 Band plan
• ITU-T Rec.G.997.1
• ITU-T Rec.G.994.1
 
Band Plan
• For frequency bands from 12 MHz to 30 Mhz, partitioning of frequency spectrum is downstream band (DS3) from 12 to 23 MHz and upstream band (US3) from 23 to 30 MHz
• Usage of US0 band complies with VDSL2 Profiles of ITU-T Rec.G.993.2
 
VDSL Duplex Method
• Frequency Division Duplexing (FDD)
 
VDSL 6-band Operation
• ITU-T G.993.2, including DS1, US1, DS2, US2, DS3, band from 25 KHz to 30 MHz
 
VDSL Line-Code Scheme
• Multi-carrier modulation (discrete Multi-tone, DMT)
• Sub-carrier spacing complies with ITU-T Rec. G.993.2
• Delta between frequency of -carrier granularity 4.3125 KHz +_ 50 ppm
 
Rate Adaptive (RA) / Fixed Rate
• Capability for rate adaptation modes complies with ITU-T Rec.G.993.2 and G.997.1
• Rate adaptation modes: manually configurable or AT INIT and DYNAMIC RATE ADAPTIVE modes
• Rate adaptation mode configurable on per line basis for VDSL2 line
 
VDSL Requirements
• Compliant with ITU-T G.993.1, G.993.1 Annex A, G.993.2 Annex A
 
PTM-TC
• Support PTM Transmission Convergence (PTM-TC) function defined in ITU-T Rec.G.993.2 Annex K
 
Built-in Low Pass Filter/Splitter
• DC Resistance from Tip or Ring to Ground: = > 5 MOhms
• Insertion Loss caused by Loading LPF: < 1.0 dB
• Attenuation Distortion: complies with ITU-T G.992.3 Annex E.2.3.1.3
• Return Loss: complies with ITU-T G.992.3 Annex E.2.3.1.5
 
Upstream Power Back off (UPBO)
• Enable/Disable UPBO function compliant with ITU-T Rec.G.993.2 for VDSL2 line
 
Downstream Power Back off (DPBO)
• Support downstream power back-off (DPBO) to efficiently shape the VDSL2 downstream signal spectrum to mitigate far-end crosstalk (FEXT) caused by downstream transmissions on shorter loops to longer loops in the same binder. The shaping mechanism complies ITU-T G.997.1 and can be enabled or disabled
 
Latency
• Back-to-back Fast Channel Mode latency: < 3 ms
• Interleave Mode latency: < 10 ms
• Latency path complies with ITU-T Rec.G.993.2
• Payload transfer delay of latency path: manually configurable
 
Transmission Power
• 14.5 dB and support Transmission Power value report by VDSL Line
 
VDSL2 Profiles
• 8b,8d, 12a, 12b, 17a and 30a profiles as specified in ITU-T Rec.G.993.2
• DS1 frequency band of 30a profile starts at 138 KHz
• Edge frequency of upper band of 30a profile: 30 MHz
• Profiles programmable by command and automatically adapted according to line condition on per VDSL2 line basis
• Numbers of VDSL2 line profiles: 60
 
Spectral Mask
• Transmitter signal compliant with Power Spectrum Density (PSD) mask in ITU-T Rec.G.993.2
• Downstream spectral mask #1, D-32 mask support
• Maximum aggregation power of downstream signal transmitted by transceiver < or = maximum aggregation downstream transmit power specified in specific VDSL2 profile as Defined in ITU-T Rec.G.993.2
 
OAM Communication Channels
• Transmitter support interactive management functions between VTU-O and VTU-R using embedded operations channel (EOC) and indicator bits channel (IB) as defined in ITU-T Rec.G.993.2
 
Trellis Coding
• Trellis coding specified in ITU-T Rec.G.993.2
 
INP Capability
• Impulse noise protection (INP) compliant with ITU-T Rec.G.993.2
• Minimum impulse noise protection (INP_MIN): configurable
• Minimum 2 DMT symbols protection, INP_MIN Of 2
 
Loop Diagnostics
• Support loop diagnostic standard in ITU-T G.993.2
• The test parameters are including Channel Characteristics per subcarrier in a logarithmic scale, Quiet Line Noise per subcarrier, Signal-to-Noise Ratio per subcarrier, Loop Attenuation per band, Signal Attenuation per band, Signal-to-Noise Ratio Margin per band, Attainable Net Data Rate, and far-end Actual Aggregate transmit power
• Provide loop diagnostic functions for VDSL2 lines and can be done on demand on per VDSL2 line basis and to report the test results by the CIT of the DAS-3626
• After completing the loop diagnostic function, the DAS-3626 supports auto-return to the normal state ready for initialization and the test results can be observed.
• VDSL2 line doesn’t effect or interrupt any other working VDSL2 line traffic during and after the loop diagnostic procedure
 
VDSL Performance
• VDSL line supports transport of net data at integer multiples of 32 Kbit/s from 32 Kbit/s to MaxDS downstream and from 32 Kbit/s to MaxUS upstream
• MaxDS and MaxUS support 100 Mbit/s and 100 Mbit/s, respectively
• Downstream and upstream net data rates programmable by command and automatically adapted according to line condition on a per VDSL line basis
• Under each test loop, the initialization can be completed and remain on a stable status within 90 seconds after turning on the power of the DSL-6740С/DSL-6740РС/DSL-6780С, and doesn’t exceed 3 consecutive errors of initialization.
 
Handshake Protocol
• Complies with ITU-T Rec.G.994.1
 
FEC
• Forward Error Correction (FEC)
 
Loss of Signal (LOS)
• Maintenance signal alarms including Loss of Signal (LOS), Loss of Frame (LOF) and Link < 1.0 dB Up/Down generated and detected for each VDSL2 line
 
SNR Margin/SNR Margin per Band
• Support the function to observe the actual net data rate, the line attenuation/line attenuation per band, SNR margin/SNR margin per band, actual interleaving delay, actual impulse noise protection, the attainable net data rate, channel characteristics per subcarrier and quiet line noise PSD per subcarrier of each VDSL2 line.
• Support target noise margin, max. noise margin, min. noise margin, max. interleaving delay, min. net data rate, max. net data rate and INP min for VDSL2 line interfaces and can be configurable.
• Support SNR margin status report by VDSL Line
 
Performance
FE/GE Ports
• Full-wire speed (full-duplex) operation on all FE/GE ports
• Forwarding rate for 10Base-T up to 14,880 packets per second
• Forwarding rate for 100Base-TX up to 148,800 packets per second
• Forwarding rate for 1000Base-T up to 1,488,000 packets per second
• Transmission range up to 100 meters over Cat-5e/Cat-6 UTP cables
• Connector type: RJ-45
 
SFP/1000Base-LX5 Module
• IEEE 802.3z standard
• Supports full-duplex, wire-speed packet forwarding with forwarding rate up to 1,488,000 packets per second over 5 km long ITU-T G.652 single-mode fibers.
 
SFP/1000Base-LX15
• IEEE 802.3z standard
• Supports full-duplex, wire-speed packet forwarding with forwarding rate up to 1,488,000 packets per second over 15 km long ITU-T G.652 single-mode fibers.
 
SFP/1000Base-LHX
• IEEE 802.3z standard
• Supports full-duplex, wire-speed packet forwarding with forwarding rate up to 1,488,000 packets per second over 40 Km long ITU-T G.652 single-mode fibers.
 
Switching Capacity
• 12.8 Gbps
 
Forwarding Mode
• Store and Forward
 
MAC Address Table
• 16K entries
 
64 Byte System Packet Forwarding Rate
• 9.5 mpps
 
Packet Buffer
• 1.5 MB
 
Priority Queues
• 8 Priority Queues per port
 
Rate Control
• Supports rate control of Broadcast, Multicast and unknown Unicast packets
 
Trunk Groups
• Supports 1 group (gigabit ports only)
 
Loopback Test
• Support loopback test capability
 
Limit Maximum Learned MAC Addresses
• Support the function to limit the maximum number of dynamically learned MAC addresses based on per VDSL2 line or per VLAN and allow only packets with dynamically learned MAC addresses to pass through a port in the DAS-3626. The range of limitation for each VDSL2 line can be configurable from 1 to 512 with step of 1
 
BPDU Control
• Discards BPDU packets per subscriber interface
 
Reset
• Support VDSL2 line units reset by CIT
• Support factory default configuration, and loaded with default configuration when necessary
 
Software Features
L2 Features
• IGMP snooping V1/v2
  - Support 2 modes for no joined multicast t raffic: default flooding and default filtering
  - Turning on/off IGMP snooping function does not affect the normal operation of dedicated multicast VLANs
• IGMP
  - Support IGMP version 2 standard in RFC2236
  - Support 256 multicast groups which can be statically allocated and also work well simultaneously
  - Provide IGMP statistics, including:
    - Per VDSL2 port, per dedicated multicast VLAN counters: support IGMP join, IGMP leave, and current number of active multicast groups
    - Per multicast group counters: support current number of active join ports
    - IGMP per VLAN
• IGMP Proxy
  - Support IGMP Proxy function
  - Comply with IETF RFC-4541 or later versions
• IGMP Immediate Leave
• IGMP Filtering
  - Support number of IGMP filtering 60 profiles
  - Support multicast address range in each IGMP filtering profile 128 entries and can be configurable
  - Each VDSL2 port can be assigned with an IGMP filtering profile, and can be configurable
  - Support the function to limit the number of IGMP messages on per VDSL2 interface per second, and support to configure value
  - Support to limit the maximum number of concurrent multicast groups per VDSL2 port. The maximum number can be configurable from 1 to 256 with step of 1
• Multicast VLAN
  - Support 5 dedicated multicast VLANs, and can be configurable
  - Within a dedicated multicast VLAN, specific multicast traffic can be directed to multiple multicast clients from different VDSL2 lines that have joined the specific multicast groups, while each VDSL2 line still belongs to: 
    - Port-based VLAN
    - IEEE 802.1Q VLAN
  - The multicast group address range can be configurable for each dedicated multicast VLAN
  - Support to configure multicast IP address for multicast service
  - Support 24 copies for DAS-3626 with 24 VDSL2 ports for each multicast group
• 802.1w Rapid Spanning Tree
  - 802.1w RSTP compliance
• 802.1D spanning tree
  - 802.1D STP compliance
  - Support transparent bridging protocol specified in IEEE 802.1D standard
• 802.1s Multiple STP
  - 802.1s RSTP compliance
  - Spanning tree per VLAN
• WRED Management Algorithm
  - Weighted Random Early Detection (WRED)
• Port mirroring
  - Support one-to-one or many-to-one port Mirroring
• STP loopback prevention
 
VLAN
• VLAN Group
  - Support to configure VID from 1-4094; total VLAN 4K
  - Support 4K static VLAN groups
• 802.1Q Service VLAN (S-VLAN)
  - Can be turned on or off in each VDSL2 ports. When the function is enabled, the Ethernet type and IEEE 802.1p values of the S-VLAN can be modified
  - Support VLAN tagging at the VDSL2 port
• Port-based VLAN
  - Support configurable port-based VLAN
• Protocol-based VLAN
  - Support packet classification according to the Ethernet type per port
  - Support 8 classification entries per port and can be configurable
 
Quality Of Service
• 802.1p support
  - Comply with IEEE 802.1p standard
  - The scheduling mechanism support provide Strict Priority (SP), WRR (weight round robin), and WFQ (weight fair queue) mode, and can be configurable
• Number of Queues per Port: 8
• CoS based on switch port
• CoS based on source and destination MAC
• CoS based on ToS
• CoS based on source and destination IP
• CoS DSCP
  - Support Ipv4 only
  - Specified in RFC 2475, and classify packets into different IEEE 802.1p queues according to DSCP values
• CoS based on TCP/UDP port
 
Access Control List (ACL)
• 2000 rules and 9 masks per device
• Based on switch port
• Based on Ethernet type
• Based on МАС address
  - destination МАС address, source МАС address
• Based on 802.1p priority
  - IEEE 802.1p value
• Based on VLAN
• Based on DSCP
• Based on IP address
• Based on protocol type
• Based on TCP/UDP port
• Based on TCP/UDP [packet content]
 
Security
• RADIUS authentication for Management Access Support administrator authentication and authorization with a RADIUS/TACACS server via the RADIUS/TACACS protocol
• TACACS+ authentication for Management Access and authorization with a RADIUS/TACACS server via the RADIUS/TACACS protocol
• SSH v2
• SSL v3
• Broadcast Storm Control
  - Allow specifying the threshold in terms of pkt/s for per block
  - Over threshold, just discard packet. (Min granularity: 1 pkt/s)
• Bandwidth Control
  - Per port granularity 64 Kbit/s
• Traffic segmentation
• Management level
 - Support administrator authentication and authorization for all the administration control connections. The authorization can support two management levels of read-write and read-only
• CPU Protection
  - Protect CPU from Broadcast/Multicast/Unicast flooding => ARP storm
 
Management
• Single IP Management
  - Support SIM v1.5
• Web GUI
• Command Line Interface (CLI)
• Telnet Server
• TFTP client
  - Support remote software upgrade via TFTP
• SNTP
  - Support RFC 2030 SNTP
• SNMP v1
  - Support SNMP agent and configure SNMP read/write communities
  - Management functions
• SNMP v2c
  - Support SNMP agent and configure SNMP read/write communities
  - Support SNMP traps and these traps can be reported to NMS
  - Management functions
• SNMP v3
• RMON v1
  - Support 4 groups (Statistics, History, Alarms, Events)
• BootP/DHCP client
• SYSLOG
  - Support RFC 3164 remote syslog using TFTP uploads to keep track of system events. The events categorized into 3 levels according the severity of the event to the customer services. The DAS-3626 support filter the messages sent to the server according the levels
• Trap/ Alarm/ Log Severity Control
  - Allow to divide the severity of logs into 3 levels, and configuration to trigger logging only for certain level of logs
  - Support trap mechanism and include trap of cold start, warm start, link down, and link up
  - Support fan and power alarm trap.
• Dual Image
  - Support remote firmware upgrade function from the NMS, and provide at least two complete boot Images and one configuration file.
• CPU Monitoring
  - Allow monitoring the utilization of CPU via Web/ CLI/ SNMP
  - Allow to set the threshold and when CPU utilization hit the threshold, device will send out trap & log
• Show Config Command
• DHCP relay + option 82
  - Support DHCP Relay Agent Option 82 function standard in IETF RFC 3046.
  - “Agent Circuit ID” sub-option: can be encoded the VDSL2 line identification in the “Agent Circuit ID” sub-option (sub-option 1). The encoding can uniquely identify the DAS-3626 and the VDSL2 line on the DAS-3626 on which the DHCP discovery message was received
  - “Agent Remote ID” sub-option: Provide the option to use the “Agent Remote ID” sub-option (sub-option 2) to further refine the VDSL2 line identification. The Agent Remote ID contains an operator-configured string that uniquely identifies the subscriber on the associated VDSL2 line on the DAS-3626 on which the DHCP discovery message was received.
  - Can be enabled/disabled, and the value within Circuit ID and Remote ID suboptions can be configurable.
• Web UI supports non-IE browser
• Display the Tx/Rx traffic, Display source MAC addresses
  - Per VLAN basis for each network interface,
  - Per interface or per VLAN basis for each VDSL2 VDSL2 line
  - Per DSL-6740C/DSL-6740HC/DSL-6780C and per IEEE 802.11g wireless AP basis for each DSL-6740C/DSL-6740HC/DSL-6780C
 
Performance Monitoring
• DAS-3626 support performance monitoring and performance data collection functions
• Provide performance parameters for VDSL2 line are including far-end and near-end Errored Second (ES), Severely Errored Second (SES) and Unavailable Second (UAS)
• Provide performance parameters for VDSL2 line are including the near-end Code Violation (incorrect Cyclic Redundancy Check, CRC)
• Provide performance parameters are including CPU utilization ratio, packet buffer usage ratio, and memory usage ratio
• Threshold value configuration
• Configuration
  - DAS-3626 support remote configuration functions to configure password, Ethernet interface, 802.1p function, IGMP snooping and VLAN Assignment of DSL-6740C/DSL-6740HC/DSL-6780C following IEEE 802.3ah
 
MIB
• RFC 1493 Bridge MIB
• RFC 1213 MIBII
• RFC 1643 Ethernet MIB
• RFC 1907 SNMPv2 MIB
• RFC 2819 Four groups of RMON
• RFC 1757 RMON MIB
• RFC2358
• RFC 2674 802.1p MIB
• Q-BRIDGE-MIB and P-BRIDGE-MIB
• RFC 2233 MIB
• RFC 2618 RADIUS Authentication Client MIB
• RFC 2620 RADIUS Accounting Client MIB
• RFC 2863 IF-MIB
• RFC 3728 VDSL-MIB
  - Downstream/upstream maximum net data rate and minimum net data rate configurations read and write
  - Downstream/upstream target noise margin, maximum noise margin, minimum noise margin, INP_MIN, maximum interleaving delay and SNR margin configurations read and write
  - Downstream/upstream SNR per carrier, SNR margin per band, actual net data rate, VDSL transmit and receive power, Attenuation per band, actual interleaving delay, actual impulse noise protection, the attainable net data rate, channel characteristics per subcarrier and quiet line noise PSD per subcarrier of each VDSL2 line
  - VDSL2 PM support include ES, SES, UAS, LOF, LOS and LOL
• Proprietary MIBs
  - ICMP Ping test, Packet Loss Rate and Round Trip Time inquiry. The number of ping times can be configurable
  - Running configuration write and backup
  - TFTP/FTP uploads and downloads
  - VDSL2 loopback test
  - DSL-6740C/DSL-6740HC/DSL-6780C configurations read and write
  - Configurations write of the maximum number of MAC addresses per VDSL2 line, and read of learned MAC addresses
  - Number of broadcast/multicast/unknown unicast packets
  - IGMP snooping/immediate leave/filtering status read and configurations write
  - Multicast VLAN configuration
  - Combo GbE port status
  - ACL function configuration
  - Protocol-based VLAN configuration
  - S-VLAN function configuration
  - Traffic shaping or rate-limiting function configuration
  - Port Mirroring function configuration
  - Community and Trap configuration
  - Firmware version
  - Comply with IEEE 802.11 MIB
  - Provide SNMP mibs of all functions for device network management
• D-Link Private MIB
 
Physical Parameters
Dimensions 
• 440 x 225 x 66 mm
 
Power Input
• AC Input: 110 +/- 10 V AC, 60 ± 3 Hz
 
Internal Universal Power Supply
• DC: -42 V ~ -56 V
 
Power Consumption 
• 55 W per device (DC)
• 60 W per device (AC)
 
MTBF
• 4 years
 
Acoustics
• 45 dB
 
Temperature 
• Operating: 0 to 65 °C 
• Storage: -40 to 70 °C
 
Humidity 
• Operating: 5% to 90% (non-condensing)
 
EMI
• FCC Class A
 
Safety
• Compliant with the requirements of CSA International
 
Surge Protection
• ANSI/TIA-968-A
 
General
• FCC / CE (LVD :73/23/EEC) / NCC

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DAS-3626/A1A  VDSL2 IP DSLAM with 24 VDSL Ports and 2 Combo 1000Base-T/SFP Ports

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DAS-3626/A1
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