A-2 APPENDIX A: SYSTEM SPECIFICATIONS
Table A-2 Standards Supported by the SuperStack II Switch 3900
Standard Type RFC Supported
SNMP SNMP protocol (RFC 1157)
MIB II (RFC 1213)
Ethernet MIB (RFC 1284)
���Bridge MIB (RFC 1286)
Software
Installation
tftp (RFC 959)
Terminal Emulation telnet (RFC 854)
rlogin (RFC 1282)
Protocols Used for
Administration
UDP (RFC 768)
IP (RFC 791)
ICMP (RFC 792)
TCP (RFC 793)
ARP (RFC 826)
Table A-3 LED Indicators on the SuperStack II Switch 3900
LED Type Description
System LEDs Power Green — System is on.
Off — System is receiving no power.
Fault Off — System is operational.
Solid or Blinking Yellow — System
failed diagnostics, or some other
operational failure has occurred.
Port LEDs Stat Off — Port is off-line.
Blinking Green — Port is online but
disabled.
Green Port is online and enabled.
Pckt Off — Port is off-line.
Blinking Yellow — Port is passing
data.
Yellow — Port is passing data.