3Com 3C886 User Guide - Page 28
Front Panel LED Description, Table 4
UPC - 662705169279
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28 CHAPTER 3: HARDWARE DESCRIPTION AND INSTALLATION Front Panel LED Description s TCP/IP software. TCP/IP is provided as part of the Windows 98, 95, NT and Macintosh System 7.6 and later operating systems. For Windows 3.11 users, TCP/IP software is provided on the 3Com Companion Programs CD-ROM. Available storage space on your computer's hard drive is not required because nothing is installed onto your computer as part of the 56K LAN Modem setup procedure. If you would like to copy any programs or documents from the included CD-ROMs, ensure that you have available hard disk space. The front panel provides the following LEDs. Alert PWR AA CD LAN STATUS RD SD OH TX COLL 1 2 3 4 56K LAN Modem 3C886 3 Com Figure 9 56K LAN Modem Front Panel The functions of the front panel LEDs are described in Table 4. These front panel LEDs indicate proper operation and display 10BASE-T and analog port activity status. Table 4 Front Panel LED Indicator Definitions LED Alert PWR AA CD RD SD OH TX Color Amber Green Green Green Green Green Green Green Description Operational Status. Lit during power-on self-diagnostic test or after pressing the reset button. Off indicates the unit has passed the diagnostic test and is working properly. Flashes if one or more of the diagnostics have failed or after the unit is placed in firmware download mode and is awaiting firmware upgrade. Power Indicator. Remains lit as long as power is supplied to the unit. Auto Answer. Indicates the 56K LAN Modem's answer mode. Flashes during an incoming call. Remains lit for the duration of the call. Off when the LAN Modem originates a call. Carrier Detect. Remains lit if the 56K LAN Modem receives a valid data signal (carrier) from a remote modem (such as an ISP), indicating that data transmission is possible. Received Data. Flashes when the LAN Modem receives data from a remote site. Send Data. Flashes when the LAN Modem sends data to a remote site. Off Hook. Remains lit when the modem has gone off hook. Ethernet Transmit Status. Flashes green when data is being transmitted to the Ethernet LAN from the 56K LAN Modem. Off indicates that no data is being transmitted to the Ethernet LAN from the 56K LAN Modem.