3Com 3C17500, 3C17501, 3C17502 A

ASWITCH 8800 CABLES

This appendix covers the following types of cables and connectors:

■Console Cable

■AUX Cable

■RJ-45 Connector

■Optical Fiber Cable Connectors

Console Cable Figure 18 illustrates the console cable and connectors.

Figure 18 The Console cable

Tab le 36 lists console cable pin-outs.

AUX Cable Figure 19 illustrates the AUX cable.

Tabl e 36 Console Cable Pin-outs

RJ-45 Signal Direction DB-25 DB-9

1RTS <---- 4 7

2DTR <---- 20 4

3TXD <---- 2 3

4CD ---> 8 1

5GND ---- 7 5

6RXD ---> 3 2

7DSR ---> 6 6

8CTS ---> 5 8

Enlarged A side

DB25 Female

8P8C Plug

Enlarged B side

DB9 Female

Enlarged C side

Contents

Main 3Com Corporation 350 Campus Drive Marlborough, MA 01752-3064 ABOUT THIS GUIDE Conventions Related Documentation 1 Switch Chassis Switch Backplane Fabric Module Page Page I/O Modules Tab le 13 lists specifications of the 1-port 10GBASE-X (XENPAK) module. 2-Port 10GBASE-X (XFP) Module Tab le 15 lists the specifications of the 2-Port 10GBASE-X (XFP) module. The 2-Port 10GBASE-X (XFP) module provides two 10 Gbps XFP ports. Figure 3 Front Panel of the 2-Port 10GBASE-X (XFP) Module Page Page Page Power Supply Fan Assembly Page Switch 8800 Specifications Tab le 27 provides detailed information about features of the Switch 8800. Tab le 28 describes the software features of the Switch 8800. Switch 8800 Software Features Tabl e 27 Specifications for the Switch 8800 System Table 28 Switch 8800 Software Features (continued) 2 Preparing to Install General Site Requirements Installation Checklist Installing the Chassis Installing the Cabling Rack Installing a Module Connecting the Ground Wire Connecting and Configuring Power Installing the Fan Assembly Installing Cables Page Installing Cabling Post-installation Checklist Page 3 Configuring the Switch 8800 and a Local Terminal Setting Terminal Parameters Page Page Booting the Switch 8800 Page Page 4 Upgrading Software Page Page Page 2The Ethernet Submenu displays: 3Select 0 to return to the Main Menu. Page Page Figure 17 Xmodem File Send Dialog Box 12 After the download is complete, the Serial Submenu is displayed: 13 Select option 0 to return to the Main Menu: 14 From the Main Menu, select option 2. The following message displays: Lost Passwords Using the BOOT Menu After you power on the Switch 8800, the BootROM program runs automatically. Managing Software Backup Page 5 Replacing a Power Supply Replacing I/O Modules Replacing the Fan Assembly Page Page 6 Troubleshooting the Configuration Troubleshooting Power Troubleshooting the Fans Troubleshooting I/O Modules Page A Console Cable AUX Cable Figure 19 The AUX Cable Tab le 37 lists the AUX cable pin-outs. RJ-45 Connector Tab le 38 lists RJ-45 MDI port pin-outs. Figure 20 The RJ-45 Connector Tab le 37 AUX Cable Pin-outs Tab le 38 RJ-45 MDI Port Pin-outs Optical Fiber Cable Connectors Figure 21 illustrates the SC optical fiber cable connector. Figure 22 illustrates the LC connector. Page B SWITCH 8800 Register Your Product to Gain Service Benefits Purchase Value-Added Services Troubleshoot Online Contact Us Telephone Technical Support and Repair Europe, Middle East, and Africa Telephone Technical Support and Repair