HP 2920 User Manual

Index – 5
included parts … 2-1
LED descriptions … 1-7
mounting in a rack or cabinet … 2-12
mounting on horizontal surface … 2-15
switch boot
LED behavior during … 2-7
switch operation
verifying after installation … 2-6
Switch Setup screen
configuring a subnet mask … 3-3
configuring an IP address … 3-3
field descriptions … 3-3
switch setup screen …3-2
T
telnet access to the console …3-6
terminal configuration …2-22
Test LED …1-7
behavior during factory default reset … 5-14
behavior during switch boot … 2-7
testing
checking the console messages … 5-12
checking the LEDs … 5-12
diagnostic tests … 5-12
end-to-end communications … 5-13
link test … 5-13
Ping test … 5-13
switch operation … 5-12
switch-to-device communications … 5-13
twisted-pair cabling … 5-13
tips for troubleshooting …5-2
TMP Status LED …1-9
topologies
effects of improper topology … 5-2
samples of … 2-28
stacking … 2-25
chains … 2-26
rings … 2-27
transceivers
full-duplex operation … 2-17
slot, location on switch … 1-2
troubleshooting …5-1
basic tips … 5-2
checking port configuration … 5-3
checking the console messages … 5-12
checking the LEDs … 5-12
common network problems … 5-2
connecting to fixed full-duplex devices … 5-2
diagnostic tests … 5-12
effects of improper topology … 5-2
effects of non-standard cables … 5-2
link test … 5-13
Ping test … 5-13
Proactive Network tools … 5-11
restoring factory default configuration … 5-14
testing connections to other devices … 5-13
testing end-to-end communications … 5-13
testing the switch … 5-12
testing the twisted-pair cables … 5-13
twisted-pair cable
cross-over cable pin-out … B-8
pin-outs … B-6, B-7, B-9
straight-through cable pin-out … B-7, B-9
switch-to-computer connection … B-7, B-9
switch-to-switch or hub connection … B-8
testing … 5-13
twisted-pair ports
Auto-MDIX feature … B-6
U
USB console cable
connecting to the switch … 2-23
downloading drivers … 2-21
USB console port
driver download … 2-21
interaction with RJ-45 console port … 2-21
Usr LEDs …1-8
W
wiring rules for twisted-pair cables …B-6

HP 2920 Specifications

General

Layer	Layer 3
Power Device	Internal power supply
Ports	24 or 48 x 10/100/1000 ports
Stacking	Yes, up to 4 units
Management	Web, CLI, SNMP
Jumbo Frame Support	Yes
Routing Protocol	Static, RIP, OSPF
VLANs	4094
Power Supply	100-240V AC, 50/60Hz
Operating Temperature	0°C to 45°C (32°F to 113°F)
Power over Ethernet (PoE)	Available on some models (PoE+)