receive port, treatment of 87 reference documents 109 removing the fan module 89 replacement parts 97 replacing the fan module 88

warning 88 requirements

cable 100

devices connected to the hub 100 hardware 100

software 100

systems connected to the hub 100 Reset button

long-wave hub 15 short-wave hub 14

resetting the hub 14, 15 RS-232 port

functions of 41–65 long-wave hub 15 setting up a connection 45 short-wave hub 14 troubleshooting 79

S

screws, part number 98 self-test

fault LED 25, 31 initializing 25 power LED 25, 31 running 64 troubleshooting 70, 73 values 64

serial cable

for dumb terminal connection 46 for PC connection 45

serial interface troubleshooting 79

serial number viewing 65

server

connecting to the hub 38 set community name

default value 59

Set sysDescr String menu displaying 54

Set System OID menu displaying 55

short-wave hub See also hub

example of correct cabling 32 example of nonsupported cabling 37 examples of incorrect cabling 35 exchange part number 98 features 13

maximum supported distances 104 models 92

product numbers 92 recommended cables 100 supported hardware 103 supported topologies 17

signals, intermittent 87 SNMP trap community name

default value 59 SNMP values

resetting default values 59 verifying and setting 58

software depot hub firmware 49 internet address 12, 49

software requirements 100 specifications

environmental 107 physical 108

speed

verifying compatibility 32 standalone hub

installing 24 standard configurations 92 status messages

loop 79 subnetworking mask

setting 57 supported hardware 103

126Index