Index
IN-4
Cisco CGS 2520 Hardware Installation Guide
78-19377-02
See SNMP
SNMP network management platforms 1-14
software switch management 1-13
specifications A-1 to A-4
speed
troubleshooting 4-4
straight-through cable pinout
four twisted-pair 1000BASE-T ports B-7
two twisted-pair 10/100 ports B-6
SunNet Manager 1-14
switch models 1-1
switch models illustrated 1-2
T
technical specifications A-1 to A-4
Telnet, and accessing the CLI 1-13
temperature, operating A-1
troubleshooting
bad or damaged cable 4-2
connection problems 4-2
diagnosing problems 4-1
Ethernet and fiber cables 4-2
link status 4-2
ping end device 4-3
PoE connections 4-3
POST 4-1
serial number location 4-5
spanning tree loops 4-4
speed, duplex, and autonegotiation 4-4
switch performance 4-4
with LEDs 4-1
U
uninstalling the Cisco Microsoft Windows USB
driver C-5
USB console port
overview 1-7
W
wall-mounting 2-16
warnings
airflow restriction 2-3
ambient temperature 2-2
ground conductor 3-4
ground connection 3-4
installation 2-1
jewelry removal 2-1
lightning activity 2-1, 3-3
national laws and regulations 2-2
PoE shock hazard 2-26
qualified personnel 2-2
restricted access areas 2-2
short-circuit (overcurrent) protection 3-7
two-poled disconnect device 3-7