IP DSLAM 48 ADSL-ports and 2 combo port 100 / 1000Base-T / SFP
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IP DSLAM DAS-3224 and DAS-3248 provide a connection of the user equipment by technology ADSL. 24-Port IP DSLAM DAS-3224 and 48-port DAS-3248 are equipped with a built-in splitter POTS. Due to the design of compact DAS-3224 and DAS-3248 can be easily installed in a standard rack height 1U. IP DSLAM DAS-3224 and DAS-3248 supports bandwidth management, traffic prioritization and filtering. In addition, DAS-3224 and DAS-3248 support the mechanism of QoS, the services required to implement Triple Play. Both devices support standard ADSL / ADSL2 / ADSL2 +. DAS-3224 and DAS-3248 is the ideal solution for network providers offering residential and business customers services that require high bandwidth (for example, video streaming, online gaming and Internet telephony).
Broadband subscriber for infrastructure
24/48-Port IP DSLAM DAS-3224 and DAS-3248 is ideal for installation in apartment buildings, hotels, universities and multi-office commercial buildings. With support for next-generation telecommunications technology DAS-3224 and DAS-3248 enable service providers to deliver an efficient, easily configurable, and inexpensive access to the Internet. Providing more services in one transport network to optimize bandwidth and simplifies network access control.
Guaranteed bandwidth through the mechanism of QoS
To ensure quality of service (Quality of Service) DAS-3224 and DAS-3248 supports 4 priority queues IEEE 802.1p, and DSCP, which ensures minimal waiting for services that are sensitive to delays, such as voice or video, while traffic is not delay-sensitive services, including Web-traffic or file transfer to be transmitted depending on the available bandwidth.
The mechanism of Seamless Rate Adaptation (SRA)
Seamless Rate Adaptation (SRA) - a mechanism for dynamic configuration and settings installed ADSL connection (no additional re-synchronization with the DSLAM), defined in the specifications of ITU-T Rec. G.992.5. When using a SRA, speed and physical parameters of incoming and outgoing flows are automatically adjusted depending on the copper line.

Genel Özellikler

Fiziksel Özellikler
2 combo port SFP / GE
Network interfaces
• 48-port ADSL / 2/2 + with built-in splitter POTS / ISDN
• 50-pin Telco (Centronic)
• Signal Port (Alarm Relay) RJ-45
Interface ADSL / ADSL2 / ADSL2 +
• Downstream from 32 kbit / s to 25 Mbit / s
• Upstream from the 32 kbit / s to 2.5 Mbit / s
• Compliance with ITU G.992.1 (G.DMT), G.DMT.bis, ITU G.992.2 (G.Lite), ANSI T1.413 issue 2, ITU G.994.1 (G.handshake) for ADSL, G.992.3 for ADSL2 and G.992.5 Annex M for ADSL2 +
• Advanced Power Management (L0, L2, L3) ADSL interface to optimize energy consumption
• The distance to 5.4 km
The software features
The alarm relay (3 inputs / 1 output)
• RFC 1483/2684 multi-protocol encapsulation over ATM AAL5
• Auto LLC / VCMUX
• VBR / GFR / UBR / ABR / CBR / VBR-nrt Policing
• VBR / GFR / UBR + / WFQ / UBR / GFR / VBR-nrt Shaping
• Traffic filtering by type: tagged / untagged / Any frame
• VLAN Ingress Filtering
• Support Static VLAN and Port-based VLAN
• Analysis of the priority value contained in the S-tag / C-tag
• Support for Transparent LAN Service (TLS)
• Support for one or two labels
• N: 1/1: 1 VLAN
Table switching
• 16K entries MAC-addresses
• Support for dynamic and static records
• Forwarding N: 1/1: 1 VLAN
• Up to 256 multicast addresses
• IGMP v1, v2, v3
• Multicast VLAN mapping
• Independent VLAN multicast (IVM)
• Shared VLAN Multicast (SVM)
Speed ​​limit (Policer)
• For broadcast / unknown type of traffic
• 802.1p, 4 priority queues
Access Control Lists
Filtering MAC-address, IP-addresses, the value of the port and Ether Type
Supported protocols
• IGMPv1, v2, v3 snooping and proxy
• PPPoE Intermediate Agent
• DHCP L2 Relay - TR101 Appendix B
• 802.1x
• 802.1D STP
• 802.1w RSTP
• SNTP-Client
• SysLog-client
• Command Line Interface CLI (RS-232) and manage Web-based / SNMP / TELNET
• Software upgrade via HTTP, FTP or TFTP
• Support for SNMP v2
260 x 440 x 44 mm
6 kg
• AC model: 90 ~ 240 VAC, 50-60 Hz
• DC Option: -36 ~ -72 VDC
• Operating: -10 to 65 ° C
• Storage: -30 to 70 ° C
• Operating: 0% to 90% (non-condensing)
• Storage: 5% to 95% (non-condensing)
• CE
• EN60950-1
• ITU-T K.20


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