© Microhard Systems Inc.
Confidential
32
2.0 Hardware Description
MODE
Unit Type
LED STATUS
RX/SYNC
TX
RSSI 1,2,3
COMMAND
All
OFF
OFF
OFF
DATA
Master
Repeater
ON while receiving valid
data
ON while
Transmitting data
1-3 ON in proportion to signal
strength received from remotes.
DATA - during sync.
acquisition
Remote
OFF
OFF
Cycling with 300ms ON time
DATA - when
synchronized
Remote
ON while synced
ON when
transmitting
1-3 ON in proportion to signal
strength received from Master/
Repeater
Table 2-14: LED Operation
2.6.3 P2400 Enclosed Connectors & LED Indicators
PWR (Blue)
This LED will illuminate when the P2400 Enclosed is connected to a power source (9-30
VDC)
485 (Blue)
This LED will illuminate when the P2400 Enclosed Data port is configured as a RS485 port.
(Register S142 Serial Channel Mode set to RS485 and Handshaking set to &K1)
TX LED (Red)
When illuminated, this LED indicates that the modem is transmitting data over the air.
RX LED (Green)
This LED indicates that the modem is synchronized and has received valid packets.
Receive Signal Strength Indicator (RSSI) (3x Green)
As the received signal strength increases, starting with the furthest left, the number of active
RSSI LEDs increases. Signal strength is calculated based on the last four valid received
Drawing 2-9:
Connectors & LED’s (Top & End)
