4/8/16E1 Multiplexer User Manual V2.1
Beijing Fibridge Co., Ltd.
Tel: +8610-58858988 Fax: +8610-58858520 http://www.fibridge.com
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LTR2 Yellow
ON/
Blink
Ethernet2 Link/TX/RX indicator. LTR2 is on
when the Ethernet2 port of the local device
links properly, LTR2 blinks when the
Ethernet2 port of the local device acts, that
is, transmitting or receiving.
SPD1 Green ON
Ethernet1 10M/100M bps speed indicator.
BT1 is on when the Ethernet1 port of the
local device is working at 100Mbps speed.
SPD2 Green ON
Ethernet2 10M/100M bps speed indicator.
BT2 is on when the Ethernet2 port of the
local device is working at 100Mbps speed.
FDX1 Green ON
Ethernet1 Half/Full Duplex status indicator.
FD1 is on when the Ethernet1 port of the
local device is working at Full Duplex.
FDX2 Green ON
Ethernet2 Half/Full Duplex status indicator.
FD2 is on when the Ethernet2 port of the
local device is working at Full Duplex.
WORKA Green
ON
Optical-A work state indicator.
OPTA is on when Optical-A works.
WORKB Green ON
Optical-B work state indicator.
OPTB is on when Optical-B works.
NOPA Red ON
NOPA is on when no optical signals is
detected by RX of Optical-A Port.
NOPB Red ON
NOPB is on when no optical signals is
detected by RX of Optical-B Port.
LOFA Red ON
LOFA is on when Optical-A Line loses
synchronization. IE-3 and IE-6 Alarm are