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                        CHAPTER 2
Ethernet and Gigabit Ethernet Switching 
Modules
This chapter describes the Ethernet and Gigabit Ethernet switching modules, and it contains these 
sections:
• 10/100 and 10/100/1000 Ethernet Switching Modules, page 2-1
 Gigabit Ethernet Switching Modules, page 2-13
 Ethernet Module LEDs, page 2-21
10/100 and 10/100/1000 Ethernet Switching Modules
Note Specific combinations of supervisor engines and modules may not be supported in your chassis. Refer 
to the release notes for the sof
                    
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                        Chapter 2      Ethernet and Gigabit Ethernet Switching Modules 10/100 and 10/100/1000 Ethernet Switching Modules  24-Port 100BASE-FX Fabric-Enabled Ethernet Switching Module (WS-X6524-100FX-MM), page  2-10  48-Port 10/100/1000BASE-T Ethernet Switching Module (WS-X6548-GE-TX), page 2-11  48-Port 10/100/1000BASE-T Ethernet Switching Module (WS-X6548V-GE-TX), page 2-11  48-Port 10/100BASE-T Fabric-Enabled Ethernet Switching Module (WS-X6548-RJ-21), page 2-12  48-Port 10/100BASE-T Fabric-Enable
                    
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                        Chapter 2      Ethernet and Gigabit Ethernet Switching Modules 10/100 and 10/100/1000 Ethernet Switching Modules Table 2-1 Ethernet Switching Modules Features (continued) Backplane Inline Port Buffer Queues Per  1 Product Number Connection Forwarding Power Size Port WS-X6524-100FX-MM Switch Fabric Centralized No 1 MB 4 transmit, and Bus 2 receive Supports  optional DFC  card 2 WS-X6548-GE-TX Switch Fabric Centralized Optional 1 MB 4 transmit, and Bus 2 receive WS-6548V-GE-TX Switch Fabric Centra
                    
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                        Chapter 2      Ethernet and Gigabit Ethernet Switching Modules 10/100 and 10/100/1000 Ethernet Switching Modules 24-Port 10BASE-FL Ethernet Switching Module (WS-X6024-10FL-MT) The 24-port 10BASE-FL switching module (WS-X6024-10FL-MT) provides 24 switched, 10-Mbps,  full- or half-duplex ports. (See Figure 2-1.) The module has 24 MT-RJ connectors for connection to  multimode fiber-optic (MMF) cable.  The QoS port architecture (Rx/Tx) for this module is 1q4t/2q2t. Note This module is a Class 1 lase
                    
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                        Chapter 2      Ethernet and Gigabit Ethernet Switching Modules 10/100 and 10/100/1000 Ethernet Switching Modules  Phone discovery—Automatically detects the presence of an IP phone and supplies inline power to  the phone.  Auxiliary VLANs—Provides automatic VLAN configuration for IP phones using IEEE 802.1Q as  the standards-based VLAN tagging mechanism between the switch and the IP phone. The QoS port architecture (Rx/Tx) for this module is 1q4t/2q2t. Figure 2-3 48-Port 10/100/1000BASE-T Ether
                    
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                        Chapter 2      Ethernet and Gigabit Ethernet Switching Modules 10/100 and 10/100/1000 Ethernet Switching Modules 48-Port 10/100BASE-T Ethernet Switching Module (WS-X6148-RJ45V) The 48-port 10/100BASE-T switching module (WS-X6148-RJ45V) provides 48 switched, 10/100-Mbps  autosensing, full- or half-duplex ports. (See Figure 2-5.) The module has 48 RJ-45 connectors for use  with either Category 3, Category 5, Category 5e, or Category 6 UTP cable. The “V” in the product  number indicates that the in
                    
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                        Chapter 2      Ethernet and Gigabit Ethernet Switching Modules 10/100 and 10/100/1000 Ethernet Switching Modules 48-Port 10/100BASE-T Ethernet Switching Module (WS-X6248-RJ45) The 48-port 10/100BASE-T Ethernet switching module (WS-X6248-RJ45) provides 48 switched  10/100-Mbps autosensing, full or half-duplex ports. (See Figure 2-7.) The 48 ports have RJ-45  connectors for Category 3, Category 5, Category 5e, or Category 6 UTP or FTP cable. The QoS port architecture (Rx/Tx) for this module is 1q4
                    
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                        Chapter 2      Ethernet and Gigabit Ethernet Switching Modules 10/100 and 10/100/1000 Ethernet Switching Modules 24-Port 100BASE-FX Ethernet Switching Module (WS-X6324-100FX-MM) The 24-port 100BASE-FX switching module (WS-X6324-100FX-MM) provides 24 switched,  100-Mbps, full- or half-duplex ports. (See Figure 2-10.) The module has 24 MT-RJ connectors for  connection to the MMF cable.  Note This module is a Class 1 laser product. Refer to the Regulatory Compliance and Safety Information for  the 
                    
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                        Chapter 2      Ethernet and Gigabit Ethernet Switching Modules 10/100 and 10/100/1000 Ethernet Switching Modules 48-Port 10/100BASE-T Ethernet Switching Module (WS-X6348-RJ21V) The 48-port 10/100BASE-T switching module (WS-X6148-RJ21V) provides 48 switched, 10/100-Mbps  autosensing, full- or half-duplex ports. (See Figure 2-12.) The module has 4 RJ-21 connectors (12 ports  per connector) for use with either Category 3, Category 5, Category 5e, or Category 6 UTP cable. The  “V” in the product num
                    
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                        Chapter 2      Ethernet and Gigabit Ethernet Switching Modules 10/100 and 10/100/1000 Ethernet Switching Modules 48-Port 10/100BASE-T Ethernet Switching Module (WS-X6348-RJ45V) The 48-port 10/100BASE-T switching module (WS-X6348-RJ45V) provides 48 switched, 10/100-Mbps  autosensing, full- or half-duplex ports. (See Figure 2-14.) The module has 48 RJ-45 connectors for use  with either Category 3, Category 5, Category 5e, or Category 6 UTP or FTP cable. The “V” in the  product number indicates tha
                    
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                        Chapter 2      Ethernet and Gigabit Ethernet Switching Modules 10/100 and 10/100/1000 Ethernet Switching Modules Figure 2-15 24-Port 100BASE-FX Fabric-Enabled Ethernet Switching Module  (WS-X6524-100FX-MM) WS-X6524-100FX-MM 24 PORT 100FX-MMF 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 STATUS The front panel LEDs are described in Table 2-3 on page 2-21. 48-Port 10/100/1000BASE-T Ethernet Switching Module (WS-X6548-GE-TX) The 48-port 10/100/1000BASE-T switching module (WS-X6548-
                    
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                        Chapter 2      Ethernet and Gigabit Ethernet Switching Modules 10/100 and 10/100/1000 Ethernet Switching Modules Figure 2-17 48-Port 10/100/1000BASE-T Ethernet Switching Module (WS-X6548V-GE-TX) WS-X6148-GE-TX 1 11 13 23 25 35 37 47      2     12     14     24     26     36     38     48 STATUS 48 PORT 10/100/1000 SWITCHING MODULE PHONE BASE-T GE The front panel LEDs are described in Table 2-3 on page 2-21. 48-Port 10/100BASE-T Fabric-Enabled Ethernet Switching Module  (WS-X6548-RJ-21) The 48-po
                    
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                        Chapter 2      Ethernet and Gigabit Ethernet Switching Modules Gigabit Ethernet Switching Modules 48-Port 10/100/1000BASE-T Fabric-Enabled Ethernet Switching Module  (WS-X6748-GE-TX) The 48-port 10/100/1000BASE-T switching module (WS-X6748-GE-TX) provides 48 switched,  10/100/1000-Mbps, full- or half-duplex ports. (See Figure 2-20.) Ports have RJ-45 connectors for  Category 5, Category 5e, and Category 6 cable. The WS-X6748-GE-TX module has 1.3-MB per-port  packet buffers and a dual-fabric chann
                    
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                        Chapter 2      Ethernet and Gigabit Ethernet Switching Modules Gigabit Ethernet Switching Modules Table 2-2 Gigabit and 10-Gigabit Ethernet Switching Modules Features Number of Number of  Backplane Transmit Receive  Product Number Connection Forwarding Queues/Port Queues/Port WS-X6316-GE-TX Bus Centralized 3 2 WS-X6408-GBIC Bus Centralized 3 2 WS-X6408A-GBIC Bus Centralized 3 2 WS-X6416-GBIC Bus Centralized 3 2 WS-X6416-GE-MT Bus Centralized 3 2 WS-X6501-10GEX4 Switch fabric Centralized. Support
                    
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                        Chapter 2      Ethernet and Gigabit Ethernet Switching Modules Gigabit Ethernet Switching Modules Note These modules are Class 1 laser products. Refer to the Regulatory Compliance and Safety Information  for the Cisco 7600 Series Routers for information on working with lasers. 16-Port Gigabit Ethernet Switching Module (WS-X6316-GE-TX) The 16-port Gigabit Ethernet switching module (WS-X6316-GE-TX) provides 16 switched, full-duplex  Gigabit Ethernet ports. (See Figure 2-21.) Ports have RJ-45 conne
                    
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                        Chapter 2      Ethernet and Gigabit Ethernet Switching Modules Gigabit Ethernet Switching Modules Note CWDM GBICs are used with the CWDM Passive Optical System. For more information on the CWDM  Passive Optical System, refer to the Installation Note for the CWDM Passive Optical System. The QoS port architecture (Rx/Tx) for this module is 1p1q4t/1p2q2t. Figure 2-23 8-Port Gigabit Ethernet Switching Module (WS-X6408A-GBIC) 1 2345678 8 PORT GIGABIT ETHERNET 1000BASE X GBIC The front panel LEDs are 
                    
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                        Chapter 2      Ethernet and Gigabit Ethernet Switching Modules Gigabit Ethernet Switching Modules 1-Port 10-Gigabit Ethernet Module (WS-X6501-10GEX4) The 1-port 10-Gigabit Ethernet switching module (WS-X6501-10GEX4) provides one 10-Gigabit  Ethernet port accessible through an SC connector on the front panel. (See Figure 2-26.) The  WS-X6501-10GEX4 module has a single fabric channel interface. The switching module is upgradable  to support distributed forwarding with the installation of an option
                    
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                        Chapter 2      Ethernet and Gigabit Ethernet Switching Modules Gigabit Ethernet Switching Modules The WS-X6516-GBIC module has enhanced QoS features. The QoS port architecture (Rx/Tx) for this  module is 1p1q4t/1p2q2t. The WS-X6516-GBIC module has a single fabric channel interface. The switching module is upgradable  to support distributed forwarding by installing an optional Distributed Forwarding Card  (WS-F6K-DFC). Figure 2-28 16-Port Gigabit Ethernet Switching Module (WS-X6516-GBIC) WS-X6516
                    
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                        Chapter 2      Ethernet and Gigabit Ethernet Switching Modules Gigabit Ethernet Switching Modules Figure 2-30 16-Port 10/100/1000BASE-T Gigabit Ethernet Switching Module (WS-X6516-GE-TX) WS-X6516-GE-T X  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 16 PORT 1000 BASE-T GE The front panel LEDs are described in Table 2-3 on page 2-21. 4-Port 10 Gigabit Ethernet Switching Module (WS-X6704-10GE) The 4-port 10-Gigabit Ethernet switching module (WS-X6704-10GE) provides 4 switched, 10-Gigabit  Ethernet ports.
                    
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                        Chapter 2      Ethernet and Gigabit Ethernet Switching Modules Gigabit Ethernet Switching Modules Figure 2-33 48-Port Gigabit Ethernet Switching Module (WS-X6748-SFP) WS-X6748-SFP 48 PORT GIGABIT ETHERNET-SFP STATUS The front panel LEDs are described in Table 2-3 on page 2-21. 16-Port Gigabit Ethernet Switching Module (WS-X6816-GBIC) The 16-Port Gigabit Ethernet switching module (WS-X6816-GBIC) provides 16 switched, full-duplex  Gigabit Ethernet ports that you can configure with any combination