Cooper Bussmann VERSION 1.6 BU-945U-E 802.11 DSSS User Manual
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Cooper Bussmann Wireless Ethernet & Device Server BU-945U-E 802.11 DSSS User Manual
17
3A1582Rev1.6
LED Indication
The following table details the status of the indicating LEDs on the front panel under normal operating conditions.
LED Indicator
Condition
Meaning
OK GREEN
Normal
Operation
OK
Flashing RED/GREEN
Module Boot Sequence
Radio RX
GREEN flash
Radio receiving data (Good Signal Strength)
Radio RX
RED flash
Radio receiving data (Low Signal strength)
TX/LINK
GREEN
Radio Connection Established
TX/LINK
RED Flash
Radio Transmitting
RS-232
GREEN flash
Data sent from RS-232 Serial Port
RS-232
RED flash
Data received to RS-232 Serial Port
LAN
ON
Link Established on Ethernet port
LAN
Flash
Activity on Ethernet port.
RS-485
GREEN flash
Data sent from RS-485 Serial Port
RS-485
RED flash
Data received to RS-485 Serial Port
DIO
GREEN
Digital Input is grounded.
DIO
RED
Digital Output is active
DIO
Off
Digital Output OFF and Input is open circuit.
The Ethernet RJ45 port incorporates two indication LEDs. The LINK LED comes on when there is a connection on the Ethernet port, and will blink
off briefly when activity is detected on the Ethernet Port. The 100MB LED indicates that the connection is at 100 MBit/Sec. The 100MB LED will
be off for 10MB/Sec connection.
Other conditions indicating a fault are described in Chapter Four - DIAGNOSTICS.
3.2 Selecting a Channel
802.11 (900 MHz) Channels
The BU-945U-E conforms to the IEEE 802.11 Wireless LAN specification and supports various channels depending on regulations within the
country of use.
If operating in the US, Canada, the frequency range is 902 to 928MHz and the available channels are:
• 9 x non overlapping 1.25MHz channels
• 9 x partially overlapping 2.5MHz channels
• 4 x non overlapping 5MHz channels
• 4 x overlapping 10MHz channels
• 2 x overlapping 20MHz channels.
If operating in Australia the frequency range is 915-928MHz and the available channels are:
• 4 x non overlapping 1.25MHz channels
• 4 x partially overlapping 2.5MHz channels
• 3 x overlapping 5MHz channels
• 1 x 10MHz channel