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Manafacture: 3Com File size: 345.64 kb File name: 3CB9LF20R_Quick_start_guide.pdf Language of manual:

¦ The 20-port 10/100BASE-TX Fast Ethernet Layer 2 Switching Module (Model Number 3CB9LF20R) has twenty 10/100 Mbps RJ-45 ports on its front panel and two 1-Gigabit ports on the back for connection to the chassis backplane. Each of these FEN Switching Modules operates as a Layer 2 switch and occupies a single switching module slot in the CoreBuilder 9000 7-slot chassis, 8-slot chassis, or 16-slot chassis. The 10/100BASE-TX and 100BASE-FX FEN Switching Modules support the following key features: ¦ Hot-swapping of modules ¦ Management using the Administration Console (a command line interface), the Web Management suite of applications with an Internet browser, or SNMP-based applications 10-Port 100BASE-FX and 20-Port 10/100BASE-TX Fast Ethernet Layer 2 Switching Modules Quick Start Guide 10-Port 100BASE-FX and 20-Port 10/100BASE-TX Fast Ethernet Layer 2 Switching Modules Quick Start Guide For information about the software features that these modules support, see the: ¦ CoreBuilder 9000 Implementation Guide ¦ Command Reference Guide ¦ CoreBuilder 9000 Release Notes for the Fast Ethernet and Gigabit Ethernet Layer 2 Switching Modules Front Panel On the 10-port 100BASE-FX FEN Switching Module, the front panel ports are numbered 1 through 10, as shown in Figure 1. The two 1-Gigabit ports on the back of the module (not shown in Figure 1) are numbered 11 and 12. On the 20-port 10/100BASE-TX FEN Switching Module, the front panel ports are numbered 1 through 20, as shown in Figure 1. The two 1-Gigabit ports on the back of the module (not shown in Figure 1) are numbered 21 and 22. Figure 1 Front Panels for the 10/100BASE-TX and 100BASE-FX FEN Modules Ejector handle Ejector handle 3CB9LF20R1MOD STAT234567141X2X3X4X5X6X7X8X9X10X11X12X13X14X15X16X17X18X19X20XModel number Module Status LED Port Status LEDs RJ-45 ports 10/100BASE-TX 100BASE-FX 3CB9LF10MCTXRX121TXRXMOD STAT2346789510TXRX3TXRX4TXRX5TXRX67TXRXTXRX8TXRX9TXRX10 Port Status LEDs Fiber-optic ports (SC connectors) Module Status LED In the 7-slot chassis, you install the modules horizontally with the LEDs at the left. In the 8-slot chassis and the16-slot chassis, you install the modules vertically with the LEDs at the top. 10-Port 100BASE-FX and 20-Port 10/100BASE-TX Fast Ethernet Layer 2 Switching Modules Quick Start Guide 10-Port 100BASE-FX and 20-Port 10/100BASE-TX Fast Ethernet Layer 2 Switching Modules Quick Start Guide Audience Description Safety Precautions This guide is intended for trained technical personnel only. Do not attempt to install, remove, or replace the 10/100BASE-TX or 100BASE-FX FEN Switching Modules if you have not had the proper training from 3Com. For training information in the United States and Canada, call 1-800-NET-3COM. For the numbers to call in other locations, visit the 3Com Web site: When you handle components in a CoreBuilder 9000 system, be sure that you follow all safety precautions. To avoid electric shocks, burns, or equipment damage, read and follow these warnings: WARNING: Allow only trained service personnel to install, remove, or replace any module in the chassis. WARNING: Hazardous energy exists within the system. Use extreme caution when you install, remove, or replace any module in the chassis. When the system is on: ¦ Never insert metal objects such as a screwdriver or a finger with jewelry into open module slots. ¦ Do not touch any connections within the chassis with your hands or fingers. WARNING: To ensure optical safety when installing a FEN Switching Module, comply with the following precaution: Although the data communication LEDs used in this product meet the regulatory requirements for casual exposure to the eye, as with any source of bright light, it is advised that you do not look into the light source. LED Safety Information: IEC 825 and EN60825, Class 1 LED Device. For connection only to Class 1 LED Devices. CLASS 1 LED PRODUCT 10-Port 100BASE-FX and 20-Port 10/100BASE-TX Fast Ethernet Layer 2 Switching Modules Quick Start Guide 10-Port 100BASE-FX and 20-Port 10/100BASE-TX Fast Ethernet Layer 2 Switching Modules Quick Start Guide Handling Precautions ESD Safety Information Electrostatic discharge (ESD) can damage components of the module. ESD, which occurs when a module is improperly handled, can cause complete or intermittent failures. CAUTION: To prevent ESD-related damage: ¦ Always wear an ESD wrist strap (not provided) when you handle a module, ensuring that the strap makes good skin contact and is properly grounded. ¦ Keep the module in its antistatic bag until you are ready to install it. When you handle a module, follow these precautions: ¦ Always handle the module by the front panel only. ¦ Do not touch the components, pins, leads, or solder connections. ¦ Do not twist or otherwise force the module into the chassis when you insert it into the module guides. ¦ Before you push the module into the chassis, verify that the module ejector handles are open. ¦ When you slide the modul...

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