Specifications
Series B Alpha Ethernet Adapter II Kit Installation Instructions
7 of 8
Specifications
LEDs
Pinouts
When the...
then there is...
left LED is off
no connection.
left LED is solid amber
10BASE-T connection.
left LED is solid green
100BASE-T connection.
right LED is off
no activity.
right LED is blinking amber
one-way communication.
right LED is blinking green
two-way communication.
1 = 5V
2 = RS485 (-)
3 = RXD
4 = TXD
5 = RS485 (+)
6 = GND
1
6
RJ11 Serial port
1 = TX+
2 = TX-
3 = RX+
4 = RX-
5 = not connected
6 = not connected
7 = not connected
8 = not connected
Shield = Chassis ground
8
1
RJ45 Ethernet port
Some Alpha products have 5 volt
jumpers for RJ11 power. Refer to
your sign’s installation manual for
more information.
