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- Page 1 SSE-G2252 Switch 52-Port Layer 2 Gigabit Ethernet Switch SSE-G2252 SSE-G2252P Switch 52-Port Layer 2 Gigabit Ethernet Switch with 48 PoE-Capable Ports SSE-G2252P Installation Manual Revison 1.0a...
- Page 2 Please Note: For the most up-to-date version of this manual, please see our web site at www.supermicro.com. Super Micro Computer, Inc. (“Supermicro”) reserves the right to make changes to the product described in this manual at any time and without notice. This product, including software, if any, and documentation may not, in whole or in part, be copied, photocopied, reproduced, translated or reduced to any medium or machine without prior written consent.
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Page 3: About This Manual
Chapter 2: System Safety You should familiarize yourself with this chapter for a general overview of safety precautions that should be followed when installing and servicing the SSE-G2252 and SSE-G2252P switches Chapter 3: Network Planning Refer here for details on network planning for the switches. - Page 4 SSE-G2252/SSE-G2252P Switch Installation Manual Glossary Glossary Term Description IEEE 802.3 specification for 10 Mbps Ethernet over two pairs of Category 10BASE-T 3, 4, or 5 UTP cable. IEEE 802.3 specification for 100 Mbps Ethernet over two strands of 50/ 100BASE-FX 125, 62.5/125 micron, or 9/125 micron core fiber cable.
- Page 5 Glossary Term Description Defines CSMA/CD access method and physical layer specifications for IEEE 802.3ab 1000BASE-T Gigabit Ethernet. (Now incorporated in IEEE 802.3-2005.) Defines CSMA/CD access method and physical layer specifications for IEEE 802.3u 100BASE-TX Fast Ethernet. (Now incorporated in IEEE 802.3-2005.) Defines Ethernet frame start/stop requests and timers used for flow control IEEE 802.3x on full-duplex links.
- Page 6 SSE-G2252/SSE-G2252P Switch Installation Manual Notes...
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Page 7: Table Of Contents
Table of Contents Chapter 1 Introduction ............... 1-1 1-1 Overview ..................... 1-1 1-2 Switch Architecture ................1-2 1-3 Network Management Options ............1-2 1-4 Power-over-Ethernet ................. 1-2 1-5 Description of Hardware ..............1-3 10/100/1000BASE-T Ports..............1-3 SFP Transceiver Slots ................1-3 Port and System Status LEDs.............. - Page 8 SSE-G2252/SSE-G2252P Switch Installation Manual PoE Connections ..................3-2 Network Aggregation Plan ..............3-3 Remote Connections with Fiber Cable ........... 3-4 Making VLAN Connections ..............3-5 3-3 Application Notes ................3-6 Chapter 4 Installing the Switch ............ 4-1 4-1 Selecting a Site ..................
- Page 9 Table of Contents 6-4 Standards ................... 6-3 6-5 Compliances ..................6-4 Chapter 7 Cables and Pinouts ............7-1 7-1 Twisted-Pair Cable Assignments ............ 7-1 10/100BASE-TX Pin Assignments ............7-2 Straight-Through Wiring ................7-3 Crossover Wiring ..................7-4 1000BASE-T Pin Assignments ............... 7-5 7-2 Cable Testing for Existing Category 5 Cable ........
- Page 10 SSE-G2252/SSE-G2252P Switch Installation Manual Notes...
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Page 11: Chapter 1 Introduction
Chapter 1 Introduction Overview The SSE-G2252 and SSE-G2252P are Gigabit Ethernet Layer 2 switches with 48 10/ 100/1000-BASE-T ports, and four additional SFP transceiver slots (see Figure 1-1 below). The SSE-G2252P also provides PoE power to connected devices. The switches also include an SNMP-based management agent, which provides both in-band and out-of-band access for managing the switch. -
Page 12: Switch Architecture
SSE-G2252/SSE-G2252P Switch Installation Manual Switch Architecture The switch employs a wire-speed, non-blocking switching fabric. This permits simultaneous wire-speed transport of multiple packets at low latency on all ports. The switch also features full-duplex capability on all ports, which effectively doubles the bandwidth of each connection. -
Page 13: Description Of Hardware
Each port also supports IEEE 802.3x auto-negotiation of flow control, so the switch can automatically prevent port buffers from becoming saturated. SFP Transceiver Slots The SFP transceiver slots on the SSE-G2252 and SSE-G2252P are not shared. These are additional ports independent of the RJ-45 ports. The following... -
Page 14: Port And System Status Leds
SSE-G2252/SSE-G2252P Switch Installation Manual Port and System Status LEDs The switch includes a display panel for key system and port indications that simplify installation and network troubleshooting. The LEDs, which are located on the front panel for easy viewing, are shown below in... -
Page 15: Mode Button
Chapter 1: Introduction Table 1-3. System Status LEDs Condition Status On Green The unit’s internal power supply is operating normally. Power The unit has no power connected. On Green The system diagnostic test has completed successfully. Diag/PoE Flashing Green The system boot up is in progress. (Mode button not On Amber The system diagnostic test is in progress. -
Page 16: Reset Button
SSE-G2252/SSE-G2252P Switch Installation Manual Reset Button If you encounter any switch malfunctions, such as a hang or non-recoverable error, you might want to reset the switch to its default configuration by pressing and holding the reset button for six seconds. The reset button is located on the rear panel on the... -
Page 17: Chapter 2 System Safety
Chapter 2 System Safety This chapter provides system safety procedures for use with both the SSE-G2252 and SSE-G2252P switches. Please read and understand this information before installing and using the switches. Electrical Safety Precautions Basic electrical safety precautions should be followed to protect yourself from harm and the switch from damage: •... -
Page 18: General Safety Precautions
SSE-G2252/SSE-G2252P Switch Installation Manual General Safety Precautions Follow these rules to ensure general safety: • Keep the area around the switch clean and free of clutter. • Place the switch module cover and any system components that have been removed away from the system or on a table so that they won't accidentally be stepped on. -
Page 19: Compliances And Safety
Directive 2004/108/EC on the Approximation of the laws of the Member States relating to Electromagnetic Compatibility and 2006/95/EC for electrical equipment used within certain voltage limits and the Amendment Directive 93/68/EEC. For the evaluation of the compliance with these Directives, the following standards were applied to the SSE-G2252 and SSE-G2252P switches. -
Page 20: Safety Compliance
SSE-G2252/SSE-G2252P Switch Installation Manual Limited class A according to EN 55022:2010 Limited class A for harmonic current emission according to EN 61000-3-2/2006 RFI Emission: Limitation of voltage fluctuation and flicker in low- voltage supply system according to EN 61000-3-3/ 2008... -
Page 21: Power Cord Safety
Chapter 2: System Safety Power Cord Safety WARNING: Installation and removal of the unit must be carried out by qualified personnel only. Please read the following safety information carefully before installing the switch: • The unit must be connected to an earthed (grounded) outlet to comply with international safety standards. - Page 22 SSE-G2252/SSE-G2252P Switch Installation Manual Power Cord Set The supply plug must comply with BS1363 (3-pin 13 A) and be fitted with a 5 A fuse which complies with BS1362. U.K. The mains cord must comply with IEC 60227 (designation 60227 IEC 52).
- Page 23 Chapter 2: System Safety Cordon électrique - Il doit être agréé dans le pays d’utilisation La prise mâle d’alimentation doit respecter la section 107-2 D1 de la norme DK2 Danemark: 1a ou DK2 5a. Suisse: La prise mâle d’alimentation doit respecter la norme SEV/ASE 1011. La prise secteur doit être conforme aux normes CEE 7/7 (“SCHUKO”) Europe Le cordon d'alimentation doit être conforme à...
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Page 24: Warnings And Cautionary Messages
SSE-G2252/SSE-G2252P Switch Installation Manual Warnings and Cautionary Messages WARNING: This product does not contain any serviceable user parts. WARNING: Installation and removal of the unit must be carried out by qualified personnel only. WARNING: When connecting this device to a power outlet, connect the field ground lead on the tri-pole power plug to a valid earth ground line to prevent electrical hazards. -
Page 25: End Of Product Life Span
Chapter 2: System Safety End of Product Life Span This product is manufactured in such a way as to allow for the recovery and disposal of all included electrical components once the product has reached the end of its life. Manufacturing Materials There are no hazardous nor ozone-depleting materials in this product. - Page 26 SSE-G2252/SSE-G2252P Switch Installation Manual Notes 2-10...
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Page 27: Chapter 3 Network Planning
SFP transceiver on the front panel. Figure 3-1 below, the SSE-G2252 is operating as a collapsed backbone for a small LAN. It is providing dedicated 10 Mbps full-duplex connections to workstations, 100 Mbps full-duplex connections to power users, and 1 Gbps full-duplex connections to... -
Page 28: Poe Connections
SSE-G2252/SSE-G2252P Switch Installation Manual Figure 3-1. Collapsed Backbone SSE-G2252 PoE Connections The SSE-G2252P switch is an excellent choice for supplying power to connected PoE devices such as web cameras, IP telephones, or access points. Figure 3-2 below, the switch is supplying power to three PoE devices. It is also providing dedicated 1000 Mbps full-duplex data connections to these devices. -
Page 29: Network Aggregation Plan
10/100/1000BASE-T ports on the switch are providing 1000 Mbps connectivity for up to 48 segments, while the SFP ports are providing connectivity for two Gigabit segments. Figure 3-3. Network Aggregation Plan SSE-G2252 1000 Mbps Segments 10/100/1000 Mbps Segments... -
Page 30: Remote Connections With Fiber Cable
SSE-G2252/SSE-G2252P Switch Installation Manual Remote Connections with Fiber Cable Fiber optic technology allows for longer cabling than any other media type. A 1000BASE-SX (MMF) link can connect to a site up to 550 meters away, a 1000BASE-LX (SMF) link up to 5 km, a 1000BASE-LH link up to 70 km, and a 100BASE-FX (SMF) link up to 20 km. -
Page 31: Making Vlan Connections
VLAN group to which it belongs. Untagged VLANs can be used for small networks attached to a single switch. However, tagged VLANs should be used for larger networks, and all the VLANs assigned to the inter-switch links. Figure 3-5. Making VLAN Connections SSE-G2252 R&D VLAN 1 Tagged... -
Page 32: Application Notes
SSE-G2252/SSE-G2252P Switch Installation Manual Application Notes 1. Full-duplex operation only applies to point-to-point access (such as when a switch is attached to a workstation, server, or another switch). When the switch is connected to a hub, both devices must operate in half-duplex mode. -
Page 33: Chapter 4 Installing The Switch
Chapter 4 Installing the Switch This chapter describes how to install the SSE-G2252/SSE-G2252P switch. Selecting a Site When selecting a site for the switch, make sure: • The site should: • Be at the center of all the devices you want to link and near a power outlet. -
Page 34: Equipment Checklist
After unpacking this switch, check the contents to be sure you have received all the components. Then, before beginning the installation, be sure you have all other necessary installation equipment. • Managed 52-Port GE Switch (SSE-G2252 or SSE-G2252P) • RJ-45 to RS232 console cable •... -
Page 35: Mounting
Chapter 4: Installing the Switch Mounting The switch can be mounted in a standard 19-inch equipment rack or on a desktop or shelf. Mounting instructions for each type of site follow. Rack Mounting Before rack mounting the switch, pay particular attention to the following factors: •... - Page 36 SSE-G2252/SSE-G2252P Switch Installation Manual Rack-mounting the Switch 1. Attach the brackets to the device using the screws provided in the Bracket Mounting (Figure 4-3). Figure 4-3. Attaching the Brackets S S E - G 2 2...
- Page 37 Chapter 4: Installing the Switch 2. Mount the device in the rack, using four rack-mounting screws (not provided). Be sure to secure the lower rack-mounting screws first to prevent the brackets being bent by the weight of the switch. See Figure 4-4 for details.
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Page 38: Desktop Or Shelf Mounting
SSE-G2252/SSE-G2252P Switch Installation Manual Desktop or Shelf Mounting Use the following procedure for desktop or shelf mounting of the switch. Desktop or Shelf Mounting the Switch 1. Attach the four adhesive feet to the bottom of the first switch (Figure 4-5). -
Page 39: Installing An Optional Sfp Transceiver
Chapter 4: Installing the Switch Installing an Optional SFP Transceiver Figure 4-6. Installing an Optional SFP Transceiver into a Slot S S E - G 2 2 5 2 The SFP slots support the following optional SFP transceivers: • 1000BASE-SX •... -
Page 40: Connecting To A Power Source
SSE-G2252/SSE-G2252P Switch Installation Manual NOTE: SFP transceivers are not provided in the switch package. Connecting to a Power Source Use the procedure below to connect a switch to a power source. Connecting a Switch to a Power Source 1. Insert the power cable plug directly into the AC inlet located at the back of the switch (Figure 4-7). -
Page 41: Connecting To The Console Port
Chapter 4: Installing the Switch Connecting to the Console Port The Console port is used to connect a console device to the switch through a serial cable. The console device can be a PC or workstation running a VT-100 terminal emulator, or a VT-100 terminal. - Page 42 SSE-G2252/SSE-G2252P Switch Installation Manual Notes 4-10...
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Page 43: Chapter 5 Making Network Connections
Making Network Connections Connecting Network Devices The SSE-G2252 and SSE-G2252P switches are designed to be connected to 10, 100, or 1000 Mbps network cards in PCs and servers, as well as to other switches and hubs. It may also be connected to remote devices using optional 1000BASE-SX, 1000BASE-LX, 1000BASE-LH, or 100BASE-FX SFP transceivers. -
Page 44: Cabling Guidelines
SSE-G2252/SSE-G2252P Switch Installation Manual Cabling Guidelines The RJ-45 ports on the switches support automatic MDI/MDI-X pinout configuration, so you can use standard straight-through twisted-pair cables to connect to any other network device (PCs, servers, switches, routers, or hubs). Chapter 7: "Cables and Pinouts" on page 7-1 for further information on cabling. -
Page 45: Network Wiring Connections
Chapter 5: Making Network Connections 2. If the device is a network card and the switches are in the wiring closet, connect the other end of the cable segment to a modular wall outlet that is connected to the wiring closet. (See "Network Wiring Connections"... - Page 46 SSE-G2252/SSE-G2252P Switch Installation Manual Figure 5-2. Network Wiring Connections Equipment Rack Switch (side view) SSE-G2252 Punch-Down Block Patch Panel Wall...
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Page 47: Fiber Optic Sfp Devices
Chapter 5: Making Network Connections Fiber Optic SFP Devices An optional Gigabit SFP (1000BASE-SX, 1000BASE-LX, 1000BASE-LH, or 100BASE-FX) transceiver can be used for a backbone connection between switches, or for connecting to a high-speed server. Each single-mode fiber port requires 9/125 micron single-mode fiber optic cable with an LC connector at both ends. -
Page 48: Connectivity Rules
SSE-G2252/SSE-G2252P Switch Installation Manual 4. As a connection is made, check the Link LED on the switch corresponding to the port to be sure that the connection is valid. The 1000BASE-SX, 1000BASE-LX, 1000BASE-LH fiber optic ports operate at 1 Gbps, full duplex, with auto-negotiation of flow control. -
Page 49: 100 Mbps Fast Ethernet Collision Domain
Chapter 5: Making Network Connections Table 5-3. Maximum 1000BASE-LX Gigabit Ethernet Cable Length Fiber Size Fiber Bandwidth Maximum Cable Length Connector 9/125 micron 2 m - 5 km (7 ft - 3.2 miles) single-mode fiber Table 5-4. Maximum 1000BASE-LH Gigabit Ethernet Cable Length Fiber Size Fiber Bandwidth Maximum Cable Length... -
Page 50: Cable Labeling And Connection Records
SSE-G2252/SSE-G2252P Switch Installation Manual Cable Labeling and Connection Records When planning a network installation, it is essential to label the opposing ends of cables and to record where each cable is connected. Doing so will enable you to easily locate inter-connected devices, isolate faults and change your topology without need for unnecessary time consumption. -
Page 51: Chapter 6 Hardware Specifications
Chapter 6 Hardware Specifications This chapter lists and describes hardware specifications for the SSE-G2252 and SSE-G2252P switches. Physical Characteristics Physical characteristic specifications for the switches are shown below: Ports 48 10/100/1000BASE-T, with auto-negotiation and 4 SFP transceiver slots Network Interface Ports 1-48: RJ-45 connector, auto MDI/X 10BASE-T: RJ-45 (100-ohm, UTP cable;... - Page 52 SSE-G2252/SSE-G2252P Switch Installation Manual Fan Control SSE-G2252: One fan is used for cooling. Fan speed is controlled by an internal thermal sensor. It can be altered by the software automatically providing 2 levels of speed (Low speed and High speed) to balance the noise level and cooling effect.
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Page 53: Switch Features
Chapter 6: Hardware Specifications Switch Features Switch feature specifications are shown below: Forwarding Mode Store-and-forward Throughput Wire speed Flow Control Full Duplex: IEEE 802.3x Half Duplex: Back pressure Management Features Management feature specifications are shown below: In-Band Management Web, Telnet, SSH, or SNMP manager Out-of-Band-Management RJ-45 console port Software Loading... -
Page 54: Compliances
SSE-G2252/SSE-G2252P Switch Installation Manual Compliances Switch compliances are shown below: Emissions EN55022 (CISPR 22) Class A EN 61000-3-2/3 FCC Class A CE Mark C-Tick Mark Immunity EN 61000-4-2/3/4/5/6/8/11 Safety UL/cUL (CSA 22.2 NO 60950-1 & UL 60950-1) CB (IEC/EN60950-1) Additional compliance certificates are pending. -
Page 55: Chapter 7 Cables And Pinouts
Chapter 7 Cables and Pinouts Cables and pinouts used with the SSE-G2252 and SSE-G2252P switches are discussed in this chapter. Twisted-Pair Cable Assignments For 10/100BASE-TX connections, a twisted-pair cable must have two pairs of wires. For 1000BASE-T connections the twisted-pair cable must have four pairs of wires. Each wire pair is identified by two different colors. -
Page 56: 10/100Base-Tx Pin Assignments
SSE-G2252/SSE-G2252P Switch Installation Manual 10/100BASE-TX Pin Assignments Use unshielded twisted-pair (UTP) or shielded twisted-pair (STP) cable for RJ-45 connections: 100-ohm Category 3 or better cable for 10 Mbps connections. Also be sure that the length of any twisted-pair connection does not exceed 100 meters (328 feet). -
Page 57: Straight-Through Wiring
Chapter 7: Cables and Pinouts Straight-Through Wiring If the twisted-pair cable is to join two ports and only one of the ports has an internal crossover (MDI-X), the two pairs of wires must be straight-through. (When auto-negotiation is enabled for any RJ-45 port on this switch, you can use either straight-through or crossover cable to connect to any device type.) You must connect all four wire pairs as shown in Figure 7-2... -
Page 58: Crossover Wiring
SSE-G2252/SSE-G2252P Switch Installation Manual Crossover Wiring If the twisted-pair cable is to join two ports and either both ports are labeled with an “X” (MDI-X) or neither port is labeled with an “X” (MDI), a crossover must be implemented in the wiring. -
Page 59: 1000Base-T Pin Assignments
Chapter 7: Cables and Pinouts 1000BASE-T Pin Assignments All 1000BASE-T ports support automatic MDI/MDI-X operation, so you can use straight-through cables for all network connections to PCs or servers, switches or hubs. The table below shows the 1000BASE-T MDI and MDI-X port pinouts. These ports require that all four pairs of wires be connected. -
Page 60: Adjusting Existing Category 5 Cabling To Run 1000Base-T
SSE-G2252/SSE-G2252P Switch Installation Manual Notes 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. -
Page 61: Chapter 8 Troubleshooting
Chapter 8 Troubleshooting This chapter covers troubleshooting issues for the SSE-G2252 and SSE-G2252P switches. Diagnosing LED Indicators Actions to take when diagnosing LED indicators is shown below in Table 8-1. Table 8-1. LED Indicators LED Status Action • Check connections between the switch, the power cord, and the wall outlet. -
Page 62: In-Band Access
SSE-G2252/SSE-G2252P Switch Installation Manual In-Band Access You can access the management agent in the switch from anywhere within the attached network using a web browser, or other network management software tools. However, you must first configure the switch with a valid IP address, subnet mask, and default gateway. - Page 63 Disclaimer The products sold by Supermicro are not intended for and will not be used in life support systems, medical equipment, nuclear facilities or systems, aircraft, aircraft devices, aircraft/emergency communication devices or other critical systems whose failure to perform be reasonably expected to result in significant injury or loss of life or catastrophic property damage.
- Page 64 SSE-G2252/SSE-G2252P Switch Installation Manual...
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