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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.