3Com CS/2500 Installation Manual

Contents

1-10 CHAPTER 1: O VERVIEWThe cable between the server and the printer should not be more than 12feet long, so you must locate your printer physically close to the server.The printer connector is a female DB-25 equipped with jack posts.Although it resembles an RS-232 serial port connector physically, it isnot equivalent electrically. For information on the printer port’s pinassignments, refer to Appendix A, “Pin Assignments.”Power Supply Module The server includes an autoranging power supply that automaticallyadjusts to the local power source. You do not have to select theappropriate voltage.The power supply module is located on the left side of the server’s backpanel. It includes the power supply, power switch, fuseholder, and powercord receptacle, as shown in Figure 1-6. The switch is markedaccording to international I/O convention. When the I side is pressed, theswitch is on; when the O side is pressed, the switch is off.The single fuse is mounted in a removable cartridge. Refer to Chapter 5,“Maintenance and Upgrades,” for information about changing fuses.The communications server has an international CEE-22 AC powerreceptacle approved for 6 A operation. The connector has three prongs,with chassis ground on the middle prong. All servers are shipped withpower cords. If your power cord does not match your requirements,contact your network supplier.CS2500BookFile : Overview Page 10 Thursday, December 11, 1997 10:44 AM