HP ProCurve 224 Installation Manual page 67

troubleshooting ... 3-1
basic tips ... 3-1
checking the console messages ... 3-5
checking the LEDs ... 3-5
common network problems ... 3-1
diagnostic tests ... 3-5
effects of improper topology ... 3-2
effects of non-standard cables ... 3-2
incorrect network connections ... 3-1
link test ... 3-6
Ping test ... 3-6
Proactive Network tools ... 3-4
testing connections to other devices ... 3-6
testing end-to-end communications ... 3-7
testing the switch ... 3-5
testing the twisted-pair cables ... 3-6
twisted-pair cable
cross-over cable pin-out ... B-4
pin-outs ... B-1, B-4
straight-through cable pin-out ... B-4
switch-to-computer connection ... B-2
switch-to-switch or hub connection ... B-3
testing ... 3-6
twisted-pair port LEDs
10 Mbps ... 1-3
100 Mbps ... 1-3
V
VT-100 terminal
serial cable connection for ... 2-16
W
wall
mounting switch on ... 2-10
Index – 5