3Com 3C780 User Guide - Page 173

4 Index K keys, fiber port module, 2-9 L LEDs, 5-11 ATTACH, 3-16, 5-12 FAN FAIL, 5-12, 5-14 HI TEMP, 5-12, 5-14 Link Error, 5-17 LOW BATT, 5-12, 5-14 management module, 5-11 media modules, 5-16 Port State, 5-17 PWR, 5-12 Signal Detect, 5-17 STATUS, 5-12 TOKEN, 5-12, 5-22 WRAP, 5-12, 5-13 LEM Count, 5-10 LEM Rejects, 5-10 LER alarm, 4-8, 5-9 LER cutoff, 4-10, 5-9 LER Estimate, 5-9 Link Error LED, 5-17 Link Error Monitor (LEM), 4-8 Link Error Rate (LER), 4-8, 5-9 LinkBuilder FDDI Workgroup Hub. See hub. lithium battery, 2-5 installation, 2-7 logout command, 5-22, C-17 LOW BATT LED, 5-12, 5-14 M M port, 2-23 MAC frame statistics, 5-1 functions, 1-5 Media Access Control protocol, 1-5 management console commands, 3-8, C-1 management module battery, 2-5 functions, 1-11 installing, 4, 2-12 LEDs, 5-12 removing, 2-14 RESET button, 1-11, 5-15 Maximum Token Rotation Time (T-Max), 4-11 media modules configuring, 3-15 fiber, 1-12 keys, 2-9 installing, 4, 2-12 LEDs, 5-16 removing, 2-14 STP, 1-14 unpacking, 3 UTP, 1-14 Media Access Control (MAC) protocol, 1-3 metric option, 5-20, C-18 MIB counters, 5-3 miscellaneous command display, 4-2 modem, installing, 2-18 N Negotiated Time (T-Neg), 4-11 neighbor, defined, 3-13 neighbor station addresses, 5-4 Neighbor Notification protocol, 4-7 netmask, 4-4 null attachment hub (NAC), 3-5 O on-line technical services, D-1, D-2 optical bypass switch (OBS), 2-26 cabling, 2-27