Perfectly Designed for FTTx
Last Mile Applications
The PLANET VDL-24240MR series is a telecom-level high performance
VDSL2 IP DSLAM (Digital Subscriber Line Access Multiplexer) with
24-Port VDSL2, 2-Port Gigabit TP / SFP combo interfaces,
Hot-Swappable AC/DC Redundant Power System and robust Layer 2+
switching features. The VDL-2420MR series is fully compliant with the
ITU-T G.993.2 standard and supports VDSL2 30a profiles to offer maximum
download and upload line rate up to 100/100Mbps on the existing
twisted pair lines. The VDL-2420MR helps service providers to easily
provide high bandwidth demanded triple-play services such as IPTV, HDTV,
Video Phone and Internet Gaming at the same copper line and uplink to
the core / metro Ethernet network through the two Gigabit fiber optical
interfaces. It is an ideal CO solution for FTTx Last Mile
applications of broadband access by ISPs, Telecoms and campuses.
Comprehensive and Advanced VDSL2 Configuration
For the bandwidth and distance of broadband access, the VDL-2420MR VDSL2
IP DSLAM supports multiple selective VDSL2 profiles (8a, 8b, 8c, 8d,
12a, 12b, 17a and 30a) and 997/998 Band plan to each subscriber line. To
help the ISPs provide always on internet access service in different
physical line installation environments, the VDL-2420MR supports
configurable
DPBO (Downstream Power Back-Off) and
UPBO
(Upstream Power Back-Off) to adjust the downstream / upstream transmit
power levels for service provider to reduce the interference by nearby
wires. Furthermore, it can be configured on a per-link basis for
transmission mode, rate limitation and SNR (signal-to-noise) margin.
These advanced VDSL2 functionalities help service providers to adjust
the line performance to ensure the VDSL2 service not be impacted by
other xDSL services in the same binder group and building a stable and
reliable IP DSLAM solution.
High Speed Connectivity for ISP / Triple Play
Devices
As the demand of broadband connections increases for home-communication
and entertainment needs, VDSL2 technology is the next step media to
support the integration of home services and provide significant faster
transmission speed than current cable modems and ADSL technology. The
VDL-2420MR series applies the EoVDSL (Ethernet over VDSL) to provide up
to 100Mbps download capability and brings many Multi-Media services come
true on local network:
• IPTV / HDTV
• VOD (Video on Demand)
• Voice over IP
• Video Conference / Video Phone
• On-Line Game
• Internet Radio / On-Line Music
• Long distance education
The VDL-2420MR series gives the excellent bandwidth to satisfy the
triple play devices for home entertainment and communication.
Traffic Flow QoS Ensuring for Application
Services
The VDSL2 DSLAM contains robust QoS features such as Port-Based, 802.1p
priority and also IP TOS/DSCP. It guarantees the best performance at
VoIP and Video stream transmission and empowers the enterprises to take
full advantages of the limited network resources.
Efficient Management
Afford the current network to grow and expand, the PLANET VDL-2420MR
series provides
console and
telnet command line interface,
advanced
WEB and
SNMP management interface to fill this
kind of demand. With its built-in Web-based management interface, the
VDSL2 DSLAM offers an easy-to-use, platform-independent management and
configuration facility. The VDSL2 DSLAM supports standard Simple Network
Management Protocol (SNMP) and can be monitored via any standard-based
management software. For text-based management, the VDSL2 DSLAM can also
be accessed via Telnet and the console port. Moreover, the VDL-2420MR
series offers secure remote management by supporting Secure Socket Layer
(
SSL) connection which encrypts the packet content at each
session. The features above provide an efficient way for the
administrators to manage the devices from the internet environment with
no need to add extra secure system either by means of hardware or
software.
Robust Layer 2 Features
For efficient management, via WEB interface the VDL-2420MR series can be
programmed for basic switch management functions such as port speed
configuration, Port link aggregation, IEEE 802.1Q VLAN and Q-in-Q VLAN,
Port Mirroring, Rapid Spanning Tree and ACL security. Additionally, the
firmware includes advanced features such as IGMP snooping, QoS (Quality
of Service), broadcast storm and bandwidth control to enhance bandwidth
utilization.
Advanced Security
The VDL-2420MR series offers comprehensive Layer 2, Layer 3 and Layer 4
Access Control List (ACL) to filter out unwanted traffic. Its protection
mechanisms comprises of RADIUS and Port-Based 802.1X user and device
authentication. Moreover, the VDSL2 DSLAM provides MAC filter, Static
MAC, IP/MAC binding and Port Security for enforcing security policies to
the edge. The administrators can now construct highly secured corporate
networks with considerably less time and effort than before.
Extremely Reliable Design to Ensure Continuous
Operation
Power Redundant
The VDL-2420MR series supports the optional hot-swappable
Redundant
Power System (RPS) to ensure continuous operation. The VDL-2420MR
equips with one 100~240V AC power supply unit and the VDL-2420MR48
equips with one DC -48V power supply unit on their standard package. To
enhance the reliability, both the VDL-2420MR and VDL-2420MR48 provide
one spare power supply unit slot for optional 100~240V AC or DC -48V
redundant power supply installation. The continuous power systems are
specifically designed to handle high tech facilities requiring the
highest power integrity available. Also, the -48V DC power supply
implemented makes the VDL-2420MR series VDSL2 DSLAM as a telecom level
device that can be located at the electronic room.
Temperature and FAN
Status Monitoring
The VDL-2420MR series is equipped with temperature sensor and cooling
fans to ensure reliable operation. Whenever there is abnormal
temperature detected or cooling fan service stops, the managed VDSL2
DSLAM would display related information on the Web management interface.
Therefore, it helps the administrator to efficiently manage the managed
VDSL2 DSLAM operation.
Applications
Perfect solution for Network Service
Provider to offer broadband services
Co-work with various PLANET VDSL2 CPE
product line, the VDL-2420MR series provides
up to 100/100Mbps symmetric data rate within
300m and in long range connections. It
offers the benefit of high performance to
central office co-location and MTU
(Multi-Tenant Unit) / MDU (Multi-Dwelling
Unit) markets. It provides service of
broadband data over existing copper wires
without affecting the conventional voice
service by 24 subscriber ports with built-in
POTS splitter and long distance support
through the two fiber optic uplink
interfaces. The various distances of SFP
(small-form factor) and Bidi (WDM)
transceivers are optional for customers. The
VDL-2420MR VDSL2 IP DSLAM is a great and
ideal solution for FTTx (Fiber to the
Building, Fiber to the Campus or Fiber to
the Home) applications. It supports high
bandwidth VDSL2 over existing telephone
wires in the “last mile†from the ISP
/ Telecom / Service provider’s fiber node to
the buildings and customers’ home with
cost-effective and high-value central
management capability.
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MTU / MDU / Hospitality
Solution
IPTV, VOD and digital message broadcasting services are the worldwide
hot trends, and more and more service providers have gradually upgraded
the client side devices from analog system to digital system. The PLANET
VDL-2420MR series VDSL2 CO Switch and VC-23x VDSL2 CPEs are the best
solution to quickly provide cost-effective and high speed network
services by utilizing the existing telephone wire infrastructure. IP
network installation is straightforward and requires no extra wiring.
With enough bandwidth, the 100/100Mbps symmetric capability of
VDL-2420MR series enables many Multi-Media services on local Internet to
come true, such as VOD (Video on Demand), Voice over IP, Video phone,
IPTV, distance education, and so on. The VDL-2420MR series provides
excellent bandwidth to satisfy the triple play devices for entertainment
and communication. Meanwhile, this kind of infrastructure will minimize
the burden on the Internet.
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Key Features
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VDSL Interface
• 24 Full-Duplex VDSL links via RJ-21(Telco-50) connector
• 24 corresponding POTS lines via RJ-21(Telco-50) connector
• Built-in POTS splitter for each VDSL port
• Link to VC-231 / VC-234 / VC-230 / VC-230N CPE Bridge
• Auto-speed function for VDSL2 link (by distance and cable quality)
Ethernet Interface
• 2 10/100/1000Mbps TP and SFP shared combo interfaces
• Auto-MDI /MDI-X detection on Gigabit RJ-45 port
VDSL2 Features
• Cost-effective VDSL2 link and central management solution
• Compliant with VDSL2 standard
- ITU-T G.993.2
- ITU-T G-994.1
- ITU-T G.997.1
• ITU-T G.993.2, 8a / 8b / 8c / 8d / 12a / 12b / 17a / 30a Profiles
• Configurable Line Template and Alarm Template
• Configurable UPBO / DPBO / US0 Allow / Virtual Noise PSD
• Configurable Bitswarp / G.hs carrier set / RFI Band
• Manual / RaInit / Dynamic Rate Adaption
• DMT (Discrete Multi-Tone) line coding VDSL
• Up to 100/100Mbps symmetric data rate
• Selectable target data rate and target SNR margin
• Built-in surge protection to against surge damage from high energy
spike
• Voice and data communication can be shared on the existing
telephone wire simultaneously
• Supports Downstream / Upstream rate control on each port
Layer 2 Features
• High performance of Store-and-Forward architecture, runt / CRC
filtering eliminate erroneous packets to
optimize the network bandwidth
• Broadcast / Multicast / Unicast storm control
• Supports VLAN
- IEEE 802.1Q Tag-Based VLAN
- Port-Based VLAN
- Q-in-Q tunneling (VLAN Stacking)
- GVRP for dynamic VLAN management
- Private VLAN Edge (PVE / Protected port)
• Link Aggregation
- IEEE 802.3ad LACP (Link Aggregation Control Protocol)
- Cisco ether-channel (Static Trunk)
• Spanning Tree Protocol
- STP, IEEE 802.1D (Classic Spanning Tree Protocol)
- MSTP, IEEE 802.1s (Multiple Spanning Tree Protocol, Spanning Tree
by VLAN)
• Port Mirroring to monitor the incoming or outgoing traffic on a
particular port
• PPPoE packet pass-through
• VPN pass-through
Quality of Service
• 4 priority queues on all switch ports
• Traffic classification
- IEEE 802.1p CoS
- IP TOS / DSCP to 802.1p priority mapping
- Port-Based priority
• Strict priority and Weighted Round Robin (WRR) CoS policies
• Voice QoS by application source / destination protocol no.
Multicast
• Supports IGMP Snooping v1 and v2
• IGMP Snooping v2 fast leave
• Querier mode support
Security
• IEEE 802.1x Port-Based network access control protocol
• RADIUS users access authentication
• L3 / L4 Access Control List (ACL)
• MAC Filtering and Source IP-MAC / Port-Binding
• Port Security for Source MAC address entries filtering
Management
• Switch Management Interface
- Telnet Command Line Interface
- Web switch management
- SNMP v1, v2c, v3 switch management
- SSL switch management
• DHCP client for IP address assignment
• DHCP Option82 and DHCP Relay
• SNTP (Simple Network Time Protocol)
• Built-in Trivial File Transfer Protocol (TFTP) client
• Firmware upgrade via TFTP or HTTP
• Configuration upload/download via TFTP or HTTP
• Four RMON groups 1, 2, 3, 9 (history, statistics, alarms, and
events)
• SNMP trap for interface Link Up and Link Down notification
• Logging to remote syslog server
• Link Layer Discovery Protocol (LLDP) for easy network management
• Supports Ping function
• Reset button for system management
• 1 RS-232 male DB9 console interface for Switch basic management
and setup
• User privilege control – admin, operator, viewer
Redundant Power System
• 100~240V AC / 48V DC Dual power redundant (Optional)
• Active-active redundant power failure protection
• Backup of catastrophic power failure on one supply
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Specifications
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Model |
VDL-2420MR /
VDL-2420MR48Â |
Hardware Specification |
VDSL Interface |
VDL-2420MR: 24-Port VDSL2 Line
via 1 RJ-21 (Telco-50) connector
VDL-2420MR48: 24-Port POTS/Telephone via 1 RJ-21
(Telco-50) connectors |
1000Mbps Copper Ports |
2 10/100/1000Mbps RJ-45
Auto-Negotiation, Auto MDI/MDI-X |
SFP / mini-GBIC Slots |
2 1000Base-SX/LX/BX, shared with
Port-25 ~ Port-26 |
Console |
1 x RS-232 Serial Port (DB9,
57600, N, 8, 1) |
Surge Protect |
3KV |
Switch Architecture |
Store-and-Forward |
Switch Fabric |
8.8Gbps / non-blocking |
Switch Throughput |
6.547Mpps @64Bytes |
Address Table |
8K entries |
Share Data Buffer |
512Kbytes |
Maximum Frame Size |
9K Bytes |
Flow Control |
Back pressure for Half-Duplex
IEEE 802.3x Pause Frame for Full-Duplex
 |
LED |
System: Power, SYS Status
Alert: FAN 1, FAN 2, Power 1, Power 2
VDSL: VDSL Link/Sync.
Gigabit Port: 1000 Link/Active, 100 Link/Active
 |
Reset Button |
< 5 sec: System reboot
> 10 sec: Factory Default
 |
Dimension (W x D x H) |
440 x 300 x 88 mm, 2U height
|
Weight |
6.4kg |
Power Requirement |
AC Input
VC-2400MR: 100~240V AC, 50-60 Hz
VC-2400MR48: Optional AC Power module
DC Input
VC-2400MR: Optional DC Power module
VC-2400MR48: -48V DC; Range: 30V~60V |
Power Consumption / Dissipation
|
130Watts maximum / 404 BTU/hr
maximum |
Standard Accessory |
- 2-Meter Telco-50 Cable x 2
- FAN Module x 1
- 19†rack mount kit |
VDSL2 |
VDSL2 Standard |
Comply with ITU-T G.993.2.
Supports provisioning the VDSL optional band (25K to
138K Hz) usage
ITU-T G.994.1: Handshake procedure of each DMT xDSL
circuit
ITU-T G.997.2: Physical layer management of each DMT
xDSL circuit |
Encoding |
VDSL-DMT |
VDSL2 Template |
Configurable Line Template
Configurable Alarm Template
 |
VDSL2 Profile |
Selectable spectrum profile of
- 8a / 8b / 8c / 8d / 12a / 12b / 17a / 30a |
Band Plan |
Selectable band plan for each
VDSL line on a per port basis
Band plan A:
- Profile 998, Annex A of G.993.1; Optimized for
symmetric services
Band plan B:
- Profile 997, Annex B of G.993.1 ; Optimized for
asymmetric services
 |
Rate Adaptation |
Manual
RaInit
Dynamics
 |
Power Back-Off |
Downstream Power Back-Off (DPBO)
PSD
Upstream Power Back-Off (UPBO) PSD
 |
VDSL2 Features |
Selectable rate limit control
Selectable target SNR (signal to Noise Ratio) mode
POTS voices pass through
 |
POTS Splitter |
Compliant with ETSI TS 101
952-1-1 option A for European
The splitter is passive element. Even the system is loss
of power, the POTS service is still OK
 |
Layer 2 Function |
Management Interface |
Console, Telnet, Web Browser,
SSL, SNMPv1 / v2c / v3 |
Gigabit Port Configuration
|
Port disable / enable
Auto negotiation
10/100/1000Mbps full and half duplex mode selection
Flow Control disable / enable
 |
Gigabit Port Status |
Display each port’s speed duplex
mode, link status and Flow control status
Auto negotiation status, trunk status
 |
Port Mirroring |
TX / RX / Both
1 to 1 monitor |
Bandwidth Control |
Ingress / Egress rate limit
control
Gigabit Port:
• Allow to configure per 128Kbps
VDSL2 Port:
• Allow to configure per 4Kbps
 |
VLAN |
IEEE 802.1Q Tag-Based VLAN, up to
256 VLAN groups, out of 4041 VLAN IDs
Port-Based VLAN, up to 26 VLAN groups
GVRP, up to 128 dynamic VLAN groups
Q-in-Q tunneling
Private VLAN Edge (PVE / Protected port) with two
protected port groups
Supports Asymmetric VLAN membership configuration |
Spanning Tree Protocol |
IEEE 802.1D Spanning Tree
IEEE 802.1s Multiple Spanning Tree
Up to 16 MST instances (0~15) |
Link Aggregation |
Static Port Trunk
IEEE 802.3ad LACP (Link Aggregation Control Protocol)
13 groups of 8-Port trunk support
 |
QoS |
4 priority queue
Traffic classification based on
- Port priority
- 802.1p priority
- DSCP / TOS field in IP Packet
VoIP QoS by application protocol no.
 |
IGMP Snooping |
IGMP (v1/v2) Snooping, up to 256
multicast Groups |
Access Control List |
IP-Based Layer 3 / Layer 4 ACL
Up to 200 ACL rule entries |
Security |
Port Security – supports per port
MAC limit up to 64 entries
Static MAC and MAC Filter – up to 256 MAC address
entries
Source IP / Source MAC Address and Port binding
IEEE 802.1X Port-Based Network Access Control –
supporting authentication types:
- EAP-MD5 / EAP-TLS / EAP-PEAP |
SNMP MIBs |
RFC-1213 MIB-II
RFC-2863 Interface MIB
RFC-2665 EtherLike MIB
RFC-1493 Bridge MIB
RFC-2819 RMON MIB (Group 1, 2, 3,9)
RFC-2737 Entity MIB
RFC 5650 VDSL2 MIB
 |
Standards Conformance |
Regulation Compliance |
FCC Part 15 Class A, CE
|
Standards Compliance |
IEEE 802.3:10Base-T
IEEE 802.3u:100Base-TX
IEEE 802.3z:1000Base- SX / LX
IEEE 802.3ab:1000Base-T
IEEE 802.3x:Flow Control and Back pressure
IEEE 802.3ad:Link Aggregation Control Protocol (LACP)
IEEE 802.1D:Spanning tree protocol
IEEE 802.1s:Multiple Spanning tree protocol
IEEE 802.1p:Class of service
IEEE 802.1Q:VLAN tagging
IEEE 802.1x:Port-based authentication network control
ITU-T:G.997.1
G.993.2 VDSL2 (Profile 30a Support), Annex A
RFC 768:UDP
RFC 783:TFTP
RFC 791:IP
RFC 792:ICMP
RFC 854:Telnet
RFC 2068:HTTP
RFC 1112:IGMP version 1
RFC 1157:SNMPv1
RFC 1902:SNMPv2
RFC 2236:IGMP version 2
RFC 5424:Syslog |
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