B&B Electronics 856-14205--29 - Manual - Manual (Page 46)

LED Operation
41
TX/SFP LEDS
Diagnostic LEDs
FCU (Far CPU Up):
 Host: Glows green
when far end is
detected.
 Remote: Glows green
when unit is
configured as Remote.
 Standalone Unit: LED
remains OFF.
SNMP:
 This LED glows green
to indicate that this is
an SNMP manageable
module.
EXT 1000:
 Glows green when
EXT MGMT port is
operating at 1000
Mbps.
1000:
 Glows green when the
fiber is operating at
1000 Mbps.
Optics Port LEDs
LD:
 Glows green when
“light” is detected on
fiber input.
FTL:
 Host: Glows green when
a link is established on
remote (far-end) DATA
port.
 Remote: Glows green
when unit is configured
as Remote.
 Standalone: LED remains
OFF.
LNK (Link):
 Glows green when link is
established on port.
1000:
 Glows green when the
fiber is operating at 1000
Mbps; no LED for
100Mbps SFP.