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תכונות המוצר:
VDSL2 DSLAM בעל 24 פורטים + 2 פורטים Combo SFP
מאפיינים כללים:

Device Interfaces
DAS-3626:
- 24-port VDSL (1 RJ-21 connector)
- 24 splitter PSTN (1 RJ-21 connector)
- 2 combo ports 10/100/1000BASE-T/SFP
- 1 control port RJ-45 10/100BASE-TX
- Alarm 1 RJ-45 port
- 1 console port RS-232

VDSL

Standards
- ITU-T Rec.G.993.2 Annex A and Annex K
- ITU-T Rec.G.993.2 frequency range
- ITU-T Rec.G.997.1
- ITU-T Rec.G.994.1

Frequency band
- For bands with a frequency of 12MHz to 30MHz, the frequency spectrum is divided into the downstream strip (DS3) from 12 to 23 MHz bandwidth of the upstream (US3) from 23 to 30 MHz. Use of the band corresponds to US0 VDSL2 Profiles ITU-T Rec.G.993.2

Duplex mode in VDSL
- Frequency Division Duplex (FDD)

6-band VDSL technology
- ITU-T G.993.2, including DS1, US1, DS2, US2, DS3, the band from 25 kHz to 30 MHz

Line coding scheme for VDSL
- Discrete Multi-Frequency Modulation (discrete Multi-tone, DMT)
- Separation of sub-carriers complies with ITU-T Rec.G.993.2
- Delta between the carrier frequencies in steps of 4.3125 kHz + _50 ppm

Rate adaptive / fixed
- Profiles of adaptive speed compliant ITU-T Rec.G.993.2 and G.997.1
- Profiles of adaptive speed: adjustable manually or using modes and AT INIT DYNAMIC RATE ADAPTIVE
- Customizable mode adaptive line speed for VDSL2

Requirements VDSL
- Compliance with ITU-T G.993.1, G.993.1 Annex A, G.993.2 Annex A

PTM-TC function
- Supports PTM Transmission Convergence (PTM-TC), defined in ITU-T Rec.G.993.2 Annex K

Built-in splitters
- The DC resistance of the wire pair Tip and Ring to Ground: => 5MOm
- Attenuation of the splitter: <1.0 dB
- The frequency distortion: meets ITU-TG992.3 Annex E.2.3.1.3
- Attenuation in reflection ("Return Loss"): Meets ITU-TG992.3 Annex E.2.3.1.5

Function Upstream Power Back off (UPBO)
- Enable / Disable function UPBO, meeting the requirements of ITU-T Rec.G.993.2 for VDSL2 line

Standby time
- Standby time mode Back-to-back (Fast Channel Mode): <3 ms
- Standby time mode Interleave (Striping): <10 ms
- Standby time meets the requirements of ITU-T Rec.G.993.2
- Delay payload timeout: Manual Configuration

Power transmission
- 14.5 dB and support the values ​​of the transmission power line for VDSL

VDSL2 profiles
- Profiles 8b, 8d, 12b, 17a and 30a, defined in ITU-T Rec.G.993.2
- Bandwidth DS1 profile 30a begins with 138KGts
- The boundary of the upper frequency band profile 30a: 30MHz
- Profiles programmirumye and automatically adjusts to the conditions of the line for VDSL2
- The number of line profiles VDSL2: 60

Spectral Mask
- Corresponds to the mask signal transmitter average power density (PSD) in ITU-T Rec.G.993.2 Annex A
- The spectral mask for downlink signal # 1, support the mask D-32
- Maximum downlink power aggregate signal transmitted by the transceiver <or = maximum transmit power of a downlink signal with the possibility of aggregation as defined in VDSL2 profile in accordance with ITU-T Rec.G.993.2

Channels OAM
- Transmitter supports interactive control between the VTU-O and VTU-R using a built-in channel (EOC) and the channel indicator bit (IB) in accordance with ITU-T Rec.G.993.2

Trellis Coding
- Trellis Coding determined in accordance with the requirements of ITU-T Rec.G.993.2

Surge Protection INP
- Surge protection (INP) in accordance with ITU-T Rec.G.993.2
- Protection of the minimum impulse noise (INP_ MIN): customizable
- Min 2 DMT symbols protection, INP_ MIN 2

Function Loop Diagnostics
- Supports Loop Diagnostics in accordance with the requirements of ITU-T Rec.G.993.2
- Parameters of the test include: Features channel on subcarrier frequency on a logarithmic scale, the value of the level of noise on the line in the absence of a sub-carrier frequency signal (Quiet Line Noise), Signal-to-noise on the sub-carrier frequency signal attenuation in the line (Loop Attenuation) in the frequency band , attenuation (Signal Attenuation) in the frequency band Possible transmission rate (Attainable Net Data Rate) and aggregate transmit power at the receiving end
- Ensuring Loop diagnostic functions for VDSL2 lines or on request to the line VDSL2 and post test results on CIT DAS-3626
After testing is complete, Loop diagnostic, will automatically return DAS-3626 to its original condition, and you can view the test results. During and after the Loop diagnostic testing has no effect and does not stop any traffic transmission line VDSL2

DPBO
- Supports Downstream power back-off (DPBO) provides effective spectral shaping VDSL2 downlink signal to crosstalk cancellation on the far end of the line (FEXT), due to the transmission downstream from shorter to longer lines in multipair cable. The mechanism of formation complies with ITU-T Rec.G.997.1 and can be turned on or off

Performance VDSL
- Line VDSL supports data transmission in a network of 32Kbit / s downstream and MaxDS from 32Kbit / s upstream MaxUS
- MaxDS and MaxUS support 100Mbit / s
- Data transfer rates downstream and upstream, programmable and automatically adjusts to the conditions of the line for VDSL2
- During the test line may be be returned in original condition and conservation status within 90 seconds of power DSL-6541K/DSL-6641K without exceeding three initialization errors

Negotiation protocol (Handshake Protocol)
- In accordance with the requirements of ITU-T Rec.G.994.1

FEC function
- Forward Error Correction
- Supports FEC value report by VDSL2 line

Loss of Signal (LOS)
- Support for the alarm, including the loss of signal (LOS), Loss of frame (LOF) and power loss <1.0 dB Up / Down, generated and detected for each line VDSL2

Signal / noise ratio (SNR Margin) / S / N ratio in the frequency band (SNR Margin per band)
- Supports to view the current data rate in the network, the attenuation on the line / zatuhaniya in the band, signal / noise / signal / noise ratio in the frequency band, Interleave Delay, impulse noise protection (INP), the calculated data rate network, the channel for the sub-carrier frequency and noise level (Quiet Line Noise) on the unused line of VDSL2
- Support: Target SNR Margin, Max SNR Margin, Min SNR Margin, Max Interleave Delay, Min Data Rate, Max Data Rate, Min INP for each VDSL2 interface with the ability to configure.
- Support status SNR Margin line VDSLFunktsii Level 2

Port FE / GE
- Full duplex operation on all ports, FE / GE
- 10BASE-T up to 14,880 packets per second
- 100BASE-T up to 148,800 packets per second
- 1000BASE-T to 1,488,000 pps
- Transmission range up to 100m UTP cables Kat.-5e/Kat.-6
- Connector type: RJ-45

Module SFP/1000BASE-LX5
- Standard IEEE 802.3z
- Support for full-duplex mode, up to 1,488,000 packets per second over single mode fiber length 5km ITU-T G.652

SFP/1000BASE-LX15
- Standard IEEE 802.3z
- Support for full-duplex mode, up to 1,488,000 packets per second over single mode fiber length 15km ITU-T G.652

SFP/1000BASE-LHX
- Standard IEEE 802.3z
- Support for full-duplex mode, up to 1,488,000 packets per second over single mode fiber length 40km ITU-T G.652

Mode of promotion
- Store and Forward

Switching matrix
- DAS-3626 - 12.8 Gbit / s

Speed ​​packet forwarding in a 64-bit system
- 9.5 million packets per second

Priority Queue
- 8 priority queues per port

MAC Address Table
- 16K MAC address

Speed ​​control
- Speed ​​control Broadcast, Multicast and Unknown Unicast packets

Group of Trunk Groups
- Support group 1 (Gigabit ports only)

Loopback Testing
- Support for loopback testing
    
Limiting the maximum number of MAC-addresses studied
- Support for limiting the maximum number of dynamic MAC address studied for VDSL2 line or VLAN. The range limits for each line VDSL2 can be adjusted from 1 to 512 in increments of 1

Package management BDPU
- Lock packages BDPU on client interface

Resetting to factory default settings (Reset)
- Support for the reset line devices VDSL2 CIT
- Support the factory default settings and load the default configuration when needed

Software
Layer 2 Features
IGMP Snooping v1/v2
- Supports two modes of distribution of multicast traffic: the transfer of the default and the default filtering
- Enable / Disable IGMP Snooping function does not affect the designated multicast VLAN

IGMP
- Support for IGMP version 2, as defined in RFC2236
- Supports 256 multicast groups that may be assigned to work statistically and simultaneously
- Statistics IGMP, including:
   + In port VDSL2, the designated multicast VLAN: support posts IGMP join, IGMP leave and the current number of active multicast groups
   + In the multicast group: support the current number of active ports connected

IGMP Proxy
- Supports IGMP Proxy
- In accordance with IETF RFC-4541 or later

IGMP filtering
- 60 IGMP filtering profiles
- The range of multicast in each profile IGMP filtering 128 entries with customizable
- Every time VDSL2 can be assigned to the IGMP filter profile with the ability to customize
- Supports IGMP-limit the number of messages per second VDSL2 interface with the ability to adjust the value
- Limit the maximum number of concurrent multicast groups on the port VDSL2. You can configure the maximum number of 1 to 256 in steps of 1

Multicast VLAN
- Support 5 Multicast VLANs with customizable
- Within certain designated Multicast VLAN multicast traffic can be sent to multiple multicast clients with different lines of VDSL2 connection with certain multicast groups, while each VDSL2 line belongs: VLAN Port-based and IEEE 802.1Q VLAN
- The range of multicast groups can be configured for each assigned Multicast VLAN
- Configure multicast IP-addresses for multicast
- Support for 24 copies for DAS-3626 24-port VDSL2 for each multicast group

802.1w Rapid Spanning Tree
- Compliance with 802.1w RSTP
    
802.1D spanning tree
- Compliance with 802.1D STP
- Support for transparent bridging protocol based on the standard IEEE 802.1D

802.1s Multiple STP
- Compliance 802.1s RSTP
- Spanning Tree per VLAN

Control algorithm WRED
- Weighted Random Early Detection (WRED)

Port Mirroring
- Supports port mirroring modes in one-to-one or many-to-one

Preventing STP loopback

VLAN
- 802.1Q VLAN
- VLAN groups
  + Support for setting VID 1 to 4094, the total number of VLAN 4K
  + Supports up to 4K static VLAN groups
- 802.1Q Service VLAN (S-VLAN)
  + Can be enabled or disabled for each VDSL2 port. When enabled, the value of type Ethernet and IEEE 802.1p S-VLAN can be changed.
  + Support for VLAN tagging on port VDSL2
- VLAN Port-based
  + Support for custom port-based VLAN
- VLAN-based protocol
  + Packet classification according to the type of Ethernet port
  + Support for 8 records classification at the port with the ability to customize.

Quality of Service
- Supports 802.1p
  + Corresponding standard IEEE 802.1p
  + Setting mechanism Scheduled modes supported Strict Priority (SP), WRR (Weight Round Robin) and WQF (Weight Round Robin) with customizable
- The number of queues per port: 8 queues per port
- CoS based on the switch port
- CoS based on the MAC source and destination addresses
- CoS based on TOS
- CoS for IP-based source and destination addresses
- Cos DSCP
  + Support for IPv4 only
  + Defined in RFC 2475 with klassifitsikatsiey packet bursts IEEE 802.1p according to DSCP values
- CoS based on TCP / UDP port

ACL (Access Control List)
- 2000 and rules 9 masks device
- Based on the switch port
- Based on the Ethernet type
- Based on MAC Addresses
  + Destination MAC address, source MAC address
- Based on the 802.1p priority
  + The value of IEEE 802.1p
- Based on VLAN
- Based on DSCP
- For IP-based
  + IP-address assignment, IP-address of the source
- Based on the protocol type
- Based on TCP / UDP port
  + Port number TCP / UDP
- Based on TCP / UDP [Package Contents]
- Implementation of one ACL rule on multiple ports via the CLI interface
    
Safety
- RADIUS authentication for access control and authorization server with RADIUS / TACACS protocol via RADIUS / TACACS
- TACACS + authentication for access control and authorization by the administrator from the server RADIUS / TACACS protocol via RADIUS / TACACS
- SSH v2
  + Supports standard protocol SSH, which creates a secure connection between the remote client and DSL-541K/DSL-6641K/DVA-6571K/DVA-G6571K.

SSH feature can be turned on or off in the settings.
- SSLv3
  + Broadcast Storm Control
  + Determination of the threshold in packets per second
  + When the packet is dropped the minimum threshold step 1paket per second
  + Limit the number of broadcast and unknown Unicast packets received on the DAS-3626 to prevent broadcast storms. The range limits for each port can be configured from 1000 bps to a maximum port speed in increments of no more than 1000 bps.
- Bandwidth Management
  + With the step of 64Kb / s per port
- Segmentation of traffic
- Level control
  + Authorization and Authentication for administrative procedures. Authorization can support two levels of government: read / write and read-only.
- Protection of CPU
  + Protect CPU from Broadcast / Multicast / Unicast => ARP storm

Management
- Single IP Management
  + Support SIM v1.5
- Web-based GUI
- Command Line Interface (CLI)
- Telnet Server
  + Support for up to 5 sessions telnet, working at the same time, the mechanism of Auto-logout
- TFTP-client
  + Remote software upgrade via TFTP
- SNTP
  + Support for RFC 2030 SNTP
- SNMP v1
  + Support for SNMP-agent configuration mode and read / write.
  + Control Functions
- SNMP v2c
  + Support for SNMP-agent configuration mode and read / write.
  + Support the SNMP, which can be sent to NMS
  + Control Functions
- SNMP v3
- RMON v1
  + Support for up to 4 groups (statistics, history, alert, Events)
- BootP / DHCP-Client
- DHCP configuration file
- System Log
  + Remote Support Syslog RFC 3164 using TFTP to download a track system events. Events are categorized into 3 levels according to the importance values. DAS-3626 supports filter the messages sent by the server in accordance with the levels
- Manage messages Trap / Alarm / Log Severity
  + Allows you to split logs into 3 levels of importance, as well as setting registration trigger-events for a certain level of magazines.
  + Send messages trap, including messages cold start, warm start, link down and link up
  + Send messages about the state of ventilation and nutrition
- Support for two copies of the software
  + Remote software upgrade via NMS, the support of two copies of the software and a configuration file
- Monitoring of CPU
  + Monitoring CPU via Web / CLI / SNMP
  + Setting the threshold and if the CPU usage exceeds the threshold, the device sends a trap message
- Team Show Config
- DHCP relay + option 82
  Support for DHCP Relay Agent Option 82 on the basis of the standard IETF RFC3046
  + Sub-option "Agent Circuit ID": encrypts a local agent identifier channel (sub-option 1). May be encrypted as DAS-3626 and VDSL2 line to DAS-3626, on which the packet was received DHCP Discovery.
  + Sub-option "Agent Remote ID": is used to identify lines of VDSL2 (sub-option2). Agent Remote ID contains a line that is configured by the operator that identifies the client to the VDSL2 line DAS-3626, at which the packet was received DHCP Discovery
  + Can be turned on / off with the choice of the values ​​in the sub-options, Circuit ID and Remote ID
- Web-based, along with IE also supports work in other browsers
- Display of Traffic Tx / Rx, the source MAC address
  + On the VLAN for each network interface
  + In the or each interface for each VLAN VDSL2 line
  + In DSL-6541K/DSL-6641K and the wireless access point IEEE 802.11g standard for each DSL-6541K/DSL-6641K

Performance Monitoring
- DAS-3626 supports the functions of monitoring and collecting performance data
- Performance parameters for VDSL2 lines include the number of ES, SES, UAS in the far and the near end of the line
- Performance parameters for VDSL2 lines include incorrect Cyclic Redundancy Check, CRC at the near end
- Performance Options for combo GbE interface include the number of error packets, dropped packets, and multicast packets
- Performance parameters include the ratio of the use of CPU, memory, and packet buffer
- Each event is taken into account in the performance parameters
- For each parameter on the performance of VDSL2 lines are current data for 15 minutes and 1 day, the previous data in 15 minutes and 1 day and a certain amount of data in the past 15 minutes
- Data setting performance may be readable on demand through the CIT or NMS
- Enough memory buffer to store data for each parameter. performance period of not less than 7 days and in accordance with the requirements of RFC3728
- DAS-3626 can set the threshold when considering the current performance parameters, including the ES, SES, UAS in the far and the near end of the line. Code Violation (incorrect Cyclic Redundancy Check, CRC) at the proximal and distal end, and the ratio of the use of CPU, memory, and packet buffer. Nastryki threshold value.
- Support for ICMP and the ability to respond to ICMP-request sent from the NMS or other system

Configuration
- After the re-start DAS-3626 due to a power failure or equipment, updated record of configuration parameters can be automatically uploaded to the DAS-3626
- DAS-3626 supports remote configuration for password settings, interface, Ethernet, functions on the basis of the standard 802.1p, IGMP Snooping function and destination VLAN DSL-6541K / DSL-6641K in accordance with standard IEEE 802.3ah

MIB
- RFC 1493 Bridge MIB
- RFC 1213 MIBII
- RFC 1643 Ethernet MIB
- RFC 1907 SNMPv2 MIB
- RFC 2819 RMON 4 groups
- RFC 1757 RMON MIB
- RFC 2358
- RFC 2674 802.1p MIB
- Q-BRIDGE-MIB and W-BRIDGE-MIB
- RFC 2233 MIB
- RFC 2618 RADIUS MIB Client Authentication
- RFC 2620 RADIUS Accounting Client MIB
- RFC 2863 IF-MIB
- RFC 3728 VDSL-MIB
  + Setting the minimum and maximum data rate upstream and downstream in the network read / write
  + Options noise margin, max. noise margin, min. noise margin, the protection of the minimum impulse noise, max. interleave delay and signal / noise ratio in the read / write
  + Options signal / noise ratio at the carrier frequency, the signal / noise ratio in the frequency band, the current transmission rate, the transmission power and reception VDSL, attenuation in the frequency band, the current delay in alternation, the current impulse noise protection achievable data rate network, the channel on subcarrier frequency and the noise level on the line at the frequency of the subcarrier signal in the absence of the upstream and downstream for each line VDSL2
  + Supports VDSL2 PM includes ES, SES, UAS, LOF, LOS and LOL

Proprietary MIBs
- Test Ping ICMP, the packet loss rate (Packet Loss Rate) and the circular motion of the time packages (Round Trip Time). The number of ping requests can be configured
- Record and backup running configuration
- Upload / download using TFTP / FTP
- Testing loopback VDSL2
- Settings DSL-6541K/DSL-6641K in read / write
- Setting the maximum number of MAC addresses on the line VDSL2, as well as reading the studied MAC address
- Number of Broadcast / Multicast / Unknown Unicast packets
- Status and setting IGMP snooping / immediate leave / filtering
- Setting up Multicast VLAN
- The status of a combo port GbE
- Setting ACL
- Settings Protocol-based VLAN
- Settings for S-VLAN
- Settings function of traffic shaping or speed limits
- Port Mirroring function settings
- Settings Community and Trap
- Software Version
- Complies with IEEE 802.11 MIB
- Provides SNMP mibs all functions to control the device in the network


נתונים פיזיים

Physically parameters for DEV-3718K/DEV-3726K
Power Input
- AC: 100 ~ 240 VAC, 60 ± 3 Hz

Internal universal power supply
- DC 42 V ~ 56 V

Power consumption
- Power consumption at the interface VDSL2 - 2W per port

Operating temperature
0 ~ 65 C °

Storage temperature
-40 ~ 70 C °

Humidity
100 ~ 240% non-condensing

Acoustics
45 dB

MTBF
DAS-3626: 4 years

Measurements
490 x 290 x 66 mm

Safety Certifications
Compliance with EMI-EMC
- Meets Class A sub-section B of Part 15 of the FCC Rules

Safety
- Meets the requirements of CSA International

Overvoltage Protection
- Meets ANSI/TIA-968-A AC line DAS-3626 and DSL-6541 K/DSL-6641 K to protect devices from damage due to short-term and transient over-voltage on the telephone line or the AC line. According to the testing may decrease or loss of functionality and performance, but provides support for self-healing device health renewal within 10 minutes.

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