3Com 3C10200 NBX Installation Guide - Page 25

NBX IP Telephony Platforms 25 Table 5 V3000 BRI Connectors and LEDs (continued) 4 MOH 5 Console 6 Status Lights 7 USB 8 BRI Ports 9 ATA (FXS) 10 Ethernet Mini-jack (mono or stereo) that accepts Music-On-Hold audio (maximum 2V peak to peak) from the line output of a CD player, tape player, or other music source. DB-9 connector that provides an RS-232 (DCE) TTY terminal connection for access to system CLI commands and status messages. For more information, see "Connecting a Computer to a Console Port" on page 196. Status lights S1 and S2 are normally off. They can be used by a support technician for advanced troubleshooting. Reserved for future use. Four RJ-45 BRI station ports (eight channels). Ports 1 and 2 are enabled by default. Ports 3 and 4 are activated by an optional license. Two Analog Terminal Adapter ports, RJ-11 FSX (Foreign Exchange Station) connector for connecting an analog device, such as an analog telephone or a fax machine. The LED associated with the port indicates the state of the port: Initialization: ■ Fast steady blink - Waiting for software download. ■ Solid on - Software has been downloaded. The flash memory on the board is being loaded. ■ Slow, non symmetric blinking pattern - Waiting for completion of the binding process to the NCP. Operation: ■ Off for 9 to 10 seconds, on briefly - Idle, line is not in use. ■ On for 9 to 10 seconds, off briefly - A telephone call is connected on this port. 10/100 switched Ethernet connection redundant uplink ports. Use Ethernet 1 port to connect to the LAN. Ethernet 2 port is normally inactive and becomes active only port 1 experiences a link failure. Both ports show a positive link status even though only one port at a time is active. Typically, you would connect each port to a different switch and subnet. LNK: ■ Yellow - 10Mbit link ■ Green - 100Mbit link ■ Off - No link ACT: ■ Flashing Green - Activity on port ■ Off - No activity