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Download Digi PortServer TS 8 Technical data
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SNMP ......................................................................................................................................... 59 WHO .......................................................................................................................................... 60 REMOTE ACCESS COMMANDS ..................................................................................................... 61 CLOSE ........................................................................................................................................ 61 MODE......................................................................................................................................... 61 RLOGIN ...................................................................................................................................... 62 SEND.......................................................................................................................................... 63 STATUS ...................................................................................................................................... 63 TELNET ...................................................................................................................................... 64 APPENDIX.............................................................................................................................. 65 REALPORT PROTOCOL ................................................................................................................ 67 MASTER TROUBLESHOOTING PROCESS ........................................................................................ 68 Introduction........................................................................................................................... 68 Master Troubleshooting Process ............................................................................................ 68 TROUBLESHOOTING PROCEDURES ............................................................................................... 71 Procedure 1: Troubleshooting TFTP ...................................................................................... 71 Procedure 2: Resetting the PortServer.................................................................................... 73 Procedure 3: Telnet - Receiving No Login Prompt ................................................................. 73 Procedure 4: Performing a telnet to a port.............................................................................. 74 Procedure 5: Checking the PortServer Port Settings............................................................... 75 Procedure 6: Testing Port Communication............................................................................. 76 Procedure 7: Disconnecting Telnet ........................................................................................ 76 Procedure 8: Checking LED Indicators: OFC On?................................................................. 77 SIMPLE NETWORK MANAGEMENT PROTOCOL (SNMP) ................................................................ 78 Configuring the SNMP Agent ............................................................................................... 78 SNMP Protocol...................................................................................................................... 79 PORTSERVER FRONT PANEL........................................................................................................ 81 SEND (Serial Activity).......................................................................................................... 81 ETHERNET (Ethernet Activity)............................................................................................ 82 PORTSERVER BIOS .................................................................................................................... 83 Power On Self Test (POST) Sequence ................................................................................... 83 USER DIAGNOSTICS .................................................................................................................... 85 Video Display Diagnostics..................................................................................................... 85 Front Panel Display Diagnostics............................................................................................ 86 Basic Test Descriptions ................................................................................................................... 86 PORTSERVER SECURITY.............................................................................................................. 89 RESETTING THE PORTSERVER TO FACTORY DEFAULTS................................................................. 92 DEVICES AND WIRING CONSIDERATIONS ..................................................................................... 93 Configuring PortServer Ports as Specific Devices .................................................................. 93 SERIAL DEVICE TYPE CHARACTERISTICS TABLE .......................................................................... 96 PRINTERS ................................................................................................................................... 97 Configuring a Printer ............................................................................................................ 97 Connecting a Printer ............................................................................................................. 97 Printing a File ....................................................................................................................... 97 Page iv PortServer Terminal Server
