GE Grid Solutions
D25
User's Manual
GE Information
994-0081-3.00-21
77
Communications Ports,
Continued
10BASE-T
Card
Connections &
Indicators
•
Unshielded Twisted-Pair (UTP) wire
•
RJ-type connectors used
•
Either a point-to-point or star network topology using multi-port repeater, or
Hub.
The 10BASE-T module has six LEDs on the back panel.
LED
Function
Comments
RCV
Transceiver is receiving
Turns on when connection is
made, indicating receiver is
unsquelched.
Blinks when traffic is received.
XMT
Transceiver is
transmitting
Flashes only when transmitting
JAB
Network Jabber status
Normally off. Transmitter is
disabled when on.
CLS
Collision is taking place
on network
Indicates a JAM signal is being
broadcast on LAN.
POL
Receive Polarity
Off when receive polarity is
correct.
LTF
Link Test Fail
Low signal level received.
Both the transmitter and receiver
are disabled.
10BASE-FL
Card
Connections &
Indicators
•
Fiber-optic media
•
ST-type connectors.
The 10BASE-FL module has six LEDs on the back panel.
LED
Function
Comments
RCV
Transceiver is receiving
Blinks when traffic is received
XMT
Transceiver is
transmitting
Flashes only when transmitting
PWR
Power is applied
Normally on
JAB
Network Jabber status
Transmitter is disabled when on
CLS
Collision is taking place
on network
Indicates a JAM signal is being
broadcast on LAN
LMO
Link Monitor
Indicates low light level
received
Summary of Contents for D25
Page 170: ......