Media Interface Cards Led Indicators; Rs-232 Switch Panel: Active/Standby Switch Operation - GE D20 Installation And Operation Manual

GE Energy
Operation
, continued
Media Interface The 10BASE-T and 10BASE-FL modules have six indicators on the front panel for
Cards LED each channel.
Indicators
Note: The 10BASE2 module has no indicators.
Indicator
10BASE-T
10BASE-FL
Refer to "RS-232 Switch Panel: " on page 41 for a description of the function of the
RS-232 Switch
Panel: Active/Standby switch on the front of the RS-232 Switch Panel.
Active/Standby
The Active/Standby switch has a center "locked" position. To operate the switch,
Switch
pull it straight out, then switch it down to make CCU B active, or up to make CCU A
Operation
active. If the Active CCU is not working properly, the system will automatically
initiate a failover to the Standby CCU.
General
Full
Function
XMT Transmit
CLS Collision
LTF Link Test Fail
RCV Receive
Polarity
POL
JAB Jabber
XMT Transmit
CLS Collision
LMO Link Monitor
RCV Receive
JAB Jabber
PWR Power
Installation and Operations Guide
Description
Flashes when transmit traffic present
Flashes on when a collision is detected
On when link is operational
Flashes when receive traffic detected
On when receive polarity is reversed
On when jabber detected, transmitter disabled
Flashes when transmit traffic present
Flashes on when a collision is detected
On when link optical signal is normal
Flashes when receive traffic detected
On when jabber detected, transmitter disabled
On when power supplied to the MIC
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D20/D200
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