Black Box LMC5022C-R3 用户手册
Chapter 4: Install the High-Density Media Converter System II Layer 2
Modules
LMC5022C-R3
724-746-5500 | blackbox.com
Page 11
DIP Switch on S1
Feature
Default Setting
1
Auto Negotiation (AN)
ON
2
Far End Fault (FEF)
OFF
3
FX LinkLoss (FXLL)
OFF
4
TX LinkLoss (TXLL)
OFF
5
FiberAlert (FA)
OFF
6
Factory Default
OFF
7
Factory Default
OFF
8
Factory Default
OFF
4.3 FX LinkLoss, TX LinkLoss, Link Fault Pass-Through, Far End Fault
and FiberAlert
L2 modules include the troubleshooting features FiberAlert, TXLL, FXLL, FEF
and LFPT that help locate silent failures on a network. Before attempting to
install the module(s), understand how these features work and react to a
specific network configuration.
and LFPT that help locate silent failures on a network. Before attempting to
install the module(s), understand how these features work and react to a
specific network configuration.
4.3.1 Link
Integrity
During normal operation, link integrity pulses are transmitted by all point-to-
point Ethernet devices. When a Black Box media converter receives valid link
point Ethernet devices. When a Black Box media converter receives valid link