Accton VM2524 - Manuals

i Compliances FCC - Class A This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause interference to radio communications. It has been tested and found to comply with the limits for a Class A computing ...

ii CE Mark Declaration of Conformance for EMI and Safety (EEC) This information technology equipment complies with the requirements of the Council Directive 89/336/EEC on the Approximation of the laws of the Member States relating to Electromagnetic Compatibility and 73/23/EEC for electrical equipme...

iii Safety Compliance Warning: Fiber Optic Port Safety Avertissment: Ports pour fibres optiques - sécurité sur le plan optique Warnhinweis: Faseroptikanschlüsse - Optische Sicherheit Underwriters Laboratories Compliance Statement Important! Before making connections, make sure you have the correct c...

iv Wichtige Sicherheitshinweise (Germany) 1. Bitte lesen Sie diese Hinweise sorgfältig durch.2. Heben Sie diese Anleitung für den späteren Gebrauch auf.3. Vor jedem Reinigen ist das Gerät vom Stromnetz zu trennen. Verwenden Sie keine Flüssigoder Aerosolreiniger. Am besten eignet sich ein angefeuchte...

v Contents Chapter 1: About the VDSL Switch-VS2512A 1-1 Overview 1-1 VDSL Technology 1-2 Switch Architecture 1-3 Management Options 1-3 Description of Hardware 1-4 VDSL Switch-VS2512A 1-4 VDSL Splitter-VM2524 and VDSL Splitter-VM2548 1-5 Ethernet-over-VDSL CPE 1-6 Status LEDs 1-7 Optional Media Exte...

Contents vi Appendix A: Troubleshooting A-1 Diagnosing Switch Indicators A-1 Power and Cooling Problems A-1 Installation A-2In-Band Access A-2 Appendix B: Cables B-1 Specifications. B-1Twisted-Pair Cable and Pin Assignments B-1 10BASE-T/100BASE-TX Pin Assignments B-2 1000BASE-T Pin Assignments B-3 1...

1-1 Chapter 1: About the VDSL Switch-VS2512A Overview Accton’s Ethernet-over-VDSL system consists of end-user CPEs (Customer Premise Equipment) connected to a VDSL switch and splitter by standard telephone cable. The VDSL connection delivers an Ethernet data link rated up to 15 Mbps symmetric (full ...

About the VDSL Switch-VS2512A 1-2 VDSL Technology VDSL (Very High Bit-Rate Digital Subscriber Line) is at the high-end of all the DSL technologies, offering the best combination of fiber optics and copper to provide high-speed broadband Internet access. VDSL’s primary application is in providing a b...

Overview 1-3 Switch Architecture The VDSL Switch-VS2512A employs a wire-speed, non-blocking switching fabric. This permits simultaneous wire-speed transport of multiple packets at low latency on all ports. This switch also features full-duplex capability on all ports, which effectively doubles the b...

About the VDSL Switch-VS2512A 1-4 Traffic Priority This switch provides Quality of Service (QoS) by prioritizing each packet based on the required level of service, using four distinct categories with Weighted Round Robin Queuing. It uses IEEE 802.1p and 802.1Q tags to prioritize incoming traffic ba...

Description of Hardware 1-5 The switch also includes key system and port indicators that simplify installation and network troubleshooting. The front panel has LEDs for Ethernet link status/activity and VDSL link status, as well as system status indicators. The following figure shows the components ...

Description of Hardware 1-7 Status LEDs The LEDs, which are located on the VS2512A front panel for easy viewing, are shown below and described in the following table. Figure 1-5. Port and System LEDs Port Status LEDs LED Condition Status VDSL PortsLink On Green Port has a valid connection, port enab...

About the VDSL Switch-VS2512A 1-8 Optional Media Extender Modules Optional 1000BASE-SX Module (VM2512A-1SX-SC-M) Figure 1-6. Single-Port 1000BASE-SX Gigabit Module Using multimode fiber optic cable, the 1000BASE-SX port can be connected to a remote site up to 550 m (1805 ft) away. The 1000BASE-SX Gi...

Description of Hardware 1-9 1000BASE-SX GBIC transceivers provide one short-wavelength (850 nm) Gigabit port that can be used for a high-speed backbone or server connection. This port can be connected to a site up to 220 m (722 ft) away with 62.5/125 micron multimode fiber cable, or up to 500 m (164...

About the VDSL Switch-VS2512A 1-10 Optional 10/100BASE-TX Module (VM2512A-4TX) Figure 1-11. 4-Port 10/100BASE-TX Module Using Category 3, 4, or 5 twisted-pair cable for 10 Mbps links or Category 5 twisted-pair cable for 100 Mbps links, you can connect to another device up to 100 m (328 ft) away. The...

Description of Hardware 1-11 Optional 100BASE-FX Module (VM2512A-4FX-MTRJ-S) Figure 1-14. 4-Port 100BASE-FX Single-mode Module Using 9/125 micron single-mode fiber cable, the 100BASE-FX ports can be connected to a remote site up to 20 km (12.43 miles) away. The 100BASE-FX module operates at 100 Mbps...

About the VDSL Switch-VS2512A 1-12 Key Features VDSL features (CPE side) include: • High-speed Internet access over existing phone lines• VDSL connection provides the following rate/range options: • Concurrent data and telephone services (voice/ISDN) over a single connection• Always-on digital conne...

Key Features 1-13 • Provides Store-and-Forward switching for intra-VLAN traffic• Supports wire-speed Layer 2 switching• Supports flow control, using back pressure for half duplex and IEEE 802.3x for full duplex • Broadcast Storm Control• Desktop or rack-mountable Management features include: • “At-a...

2-1 Chapter 2: Network Planning Introduction to Switching A network switch allows simultaneous transmission of multiple packets via non-crossbar switching. This means that it can partition a network more efficiently than bridges or routers. The switch has, therefore, been recognized as one of the mo...

Network Planning 2-2 Internet Connections The figure below shows a VDSL Switch-VS2512A and VDSL Splitter-VM2524 providing a broadband data service to a multi-tenant residential or commercial building. In this implementation, fiber optic cable carries data from a telephone company’s central office to...

Sample Applications 2-3 Making VLAN Connections VLANs can be based on port groups, or each data frame can be explicitly tagged to identify the VLAN group to which it belongs. When using port-based VLANs, ports can be assigned to one or more groups. Port-based VLANs are suitable for small networks. A...

Network Planning 2-4 Application Notes 1. For network applications that require routing between dissimilar network types, you can attach the VDSL switch directly to a router. 2. The multimode fiber modules are fitted with SC connectors, but you can attach an ST plug to the switch using Accton’s opti...

3-1 Chapter 3: Installing the VDSL Switch and Splitter Preparing the Site In multi-tenant buildings, phone lines coming from the service provider are generally attached to a PBX or MDF distribution box in the basement. These lines run from the PBX to a punch-down block, and then up to the POTS termi...

Installing the VDSL Switch and Splitter 3-2 Package Contents VDSL Switch-VS2512A • VDSL Switch-VS2512A• Four adhesive foot pads• Bracket Mounting Kit containing two brackets and four screws for attaching the brackets to the switch • One Power Cord—either US, Continental Europe or UK• RS-232 console ...

Mounting 3-3 • Power requirements: 100 to 240 VAC (± 10%) at 50 to 60 Hz (± 3Hz). The switch and splitter power supplies automatically adjust to the input voltage level. Make sure that a properly grounded power outlet is within 2.5 m (8 ft) of the switch and splitter. • The switch and splitter shoul...

Installing the VDSL Switch and Splitter 3-4 2. Mount the device in the rack, using four rack-mounting screws (not provided). Figure 3-3. Installing the Switch in a Rack 3. If installing a single switch only, turn to “Powering On the Switch” at the end of this chapter. 4. If installing several device...

Mounting 3-5 3. If installing a single switch only, go to “Powering On the Switch” at the end of this chapter. 4. If installing multiple switches, attach four adhesive feet to each one. Place each device squarely on top of the one below, in any order. Installing an Optional Module into the Switch Fi...

Installing the VDSL Switch and Splitter 3-6 Installing a GBIC Transceiver Figure 3-6. Installing a GBIC Transceiver Caution: Install only 5 V GBIC transceivers into the module slots. You can install a GBIC transceiver as described below: 1. Insert the transceiver with the SC connector facing out tow...

Powering On the Switch 3-7 Connecting to the Stack’s Backplane Plug one end of the provided stack cable in the “Down” port of the top unit and the other end to the “Up” port of the next unit. Repeat this step for each unit in the stack. Form a simple chain starting at the “Down” port on the top unit...

4-1 Chapter 4: Making Network Connections Twisted-Pair Devices Each device requires an unshielded twisted-pair (UTP) cable with RJ-45 connectors at both ends. For 100BASE-TX connections, Category 5 cable is required; for 10BASE-T, Category 3, 4 or 5 cable can be used. Cabling Guidelines The RJ-45 po...

Making Network Connections 4-2 . Figure 4-1. Connecting to the Punch-down Blocks Wiring Closet Connections Today, the punch-down block is an integral part of many of the newer equipment racks. It is actually part of the patch panel. Instructions for making connections in the wiring closet with this ...

Connecting to the Punch-down Blocks 4-3 2. Label the cables to simplify future troubleshooting. Figure 4-2. Wiring Closet Connections Fiber Optic Devices An optional slide-in 1000BASE-SX, 1000BASE-LX or 100BASE-FX module, or 1000BASE-X transceiver may be used for backbone and long distance connectio...

A-1 Appendix A: Troubleshooting Diagnosing Switch Indicators The VDSL Switch-VS2512A can be easily monitored through panel indicators to identify problems.The table below describes common problems you may encounter and possible solutions. If the solutions in the table fail to resolve the problem con...

Troubleshooting A-2 Installation Verify that all system components have been properly installed. If one or more components appear to be malfunctioning (such as the power cord or network cabling), test them in an alternate environment where you are sure that all the other components are functioning p...

B-1 Appendix B: Cables Specifications. Twisted-Pair Cable and Pin Assignments Caution: DO NOT plug a phone jack connector into any RJ-45 port. Use only twisted-pair cables with RJ-45 connectors that conform with FCC standards. Caution: Each wire pair must be attached to the RJ-45 connectors in a spe...

Cables B-2 10BASE-T/100BASE-TX Pin Assignments For 100BASE-TX/10BASE-T connections, a twisted-pair cable must have two pairs of wires. Each wire pair is identified by two different colors. For example, one wire might be red and the other, red with white stripes. Also, an RJ-45 connector must be atta...

Twisted-Pair Cable and Pin Assignments B-3 1000BASE-T Pin Assignments 1000BASE-T ports switch support automatic MDI/MDI-X operation, so you can use straight-through cables for all network connections to PCs or servers, or to other switches or hubs. The table below shows the 1000BASE-T MDI and MDI-X ...

Cables B-4 Adjusting Existing Category 5 Cabling to Run 1000BASE-T If your existing Category 5 installation does not meet one of the test parameters for 1000BASE-T, there are basically three measures that can be applied to try and correct the problem: 1. Replace any Category 5 patch cables with high...

Console Port Pin Assignments B-5 Console Port Pin Assignments The DB-9 serial port on the switch’s front panel is used to connect to the switch for out-of-band console configuration. The on-board menu-driven configuration program can be accessed from a terminal or a PC running a terminal emulation p...

C-1 Appendix C: Specifications VDSL Switch Model VDSL Switch-VS2512A Physical Characteristics VDSL Specificationss Supports evolving ETSI, ANSI and ITU standardsModulation: 4 to 256 QAM Frequency Division DuplexingData Rate: Up to 15 Mbps symmetric Range: Up to 1525 m (5000 ft) Ports 1 RJ-21 Port (c...

Specifications C-2 Humidity Operating: 5% to 90% AC Input 100 to 240 V, 50 to 60 Hz Power Consumption 40 Watts maximum Heat Dissipation 137 BTU/hr maximum Maximum Current 0.5 A @ 110 VAC 0.25 A @ 240 VAC Switch Features Spanning Tree Protocol Forwarding Mode Store-and-forward Throughput Layer 2: wir...

VDSL Switch C-3 Management Features In-Band Management Telnet, Web-based HTTP, or SNMP manager (AccView Network Management software provided free) Out-of-Band Management RS-232 DB-9 console port Software Loading TFTP in-band or XModem out-of-band MIB Support MIB-II (RFC1213), Interfaces Evolution MI...

Specifications C-4 Immunity EN 61000-4-2/3/4/5/6/8/11 Safety CSA/NRTL (CSA 22.2.950 & UL 1950)EN 60950 (TÜV/GS)CB (UEC60950) Warranty Limited Lifetime VDSL Splitter Models VM2524VM2548 Ports VM2524: 1 RJ-21 Port (contains 24 VDSL lines)VM2548: 2 RJ-21 Ports (each port contains 24 VDSL lines) Net...

Slide-in Modules C-5 Immunity EN 61000-4-2/3/4/5/6/8/11 Safety CSA/NRTL (CSA 22.2.950 & UL 1950)EN60950 (TÜV/GS)CB (UEC60950) Warranty Limited Lifetime Slide-in Modules 1000BASE-SX Extender Module Model VM2512A-SX-SC-M Ports 1 1000BASE-SX SC-type port Network Interface SC connector, 50/125 or 62...

Specifications C-6 1000BASE-T Extender Module Model VM2512A-1GT Ports 1 1000BASE-T RJ-45 port Network Interface RJ-45 connector, 100-ohm Category 5 or 5e twisted-pair cable (using all four wire pairs) Operating Mode 1 Gbps, full duplex, autonegotiation of speed and flow control10/100 Mbps, full and ...

D-1 Appendix D: Ordering Information VDSL Switch-VS2512A Products and Accessories Product Number Description VS2512A 12-port VDSL switch with one media expansion slot VS2524 24-port VDSL switch with one media expansion slot and one SFP slot VM2524 24-port VDSL Splitter VM2548 48-port VDSL Splitter E...

Glossary-1 Glossary 10BASE-T IEEE 802.3 specification for 10 Mbps Ethernet over two pairs of Category 3, 4, or 5 UTP cable. 100BASE-FX IEEE 802.3u specification for 100 Mbps Fast Ethernet over two strands of 50/125 or 62.5/125 micron core fiber cable. 100BASE-TX IEEE 802.3u specification for 100 Mbp...

Glossary Glossary-2 Collision Domain Single CSMA/CD LAN segment. Customer Premises Equipment (CPE) Terminating equipment, such as terminals, phones, routers and routers, supplied by the phone company, installed at customer sites, and connected to the phone company network. CSMA/CD CSMA/CD (Carrier S...

Glossary Glossary-3 IEEE 802.3ab Defines CSMA/CD access method and physical layer specifications for 1000BASE-T Fast Ethernet. IEEE 802.3u Defines CSMA/CD access method and physical layer specifications for 100BASE-TX Fast Ethernet. IEEE 802.3x Defines Ethernet frame start/stop requests and timers u...

Glossary Glossary-4 Private Branch Exchange (PBX) A telephone exchange local to a particular organisation who use, rather than provide, telephone services. POTS Plain Old Telephone Service. Redundant Power Unit (RPU) A backup power supply that automatically takes over in case the primary power suppl...

Index-1 Numerics 1000BASE-LX connections 4-31000BASE-SX connections 4-31000BASE-X connections 4-3100BASE-FX connections 4-3100BASE-LH connections 4-3100BASE-LX connections 4-3 A accessories, ordering D-1adhesive feet, attaching 3-4applications Internet connections 2-2VLAN connections 2-3 B brackets,...

Index Index-3 Web-based management 1-3 Weighted Round Robin Queuing 1-4