3Com 3C780 - LinkBuilder FDDI Base Unit User Manual 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