77 ADAM-5000 Series User Manual
Chapter 7 Serial Modules
I/O Slots and I/O Port Numbering
The ADAM-5091 module provides four RS-232/422/485 ports for communication with
target devices. For more information about the number of slot and COM port, you
may refer to the section of "ADAM-5091 COM port configuration" in ADAM-5560KW
series Manual.
LED Status of the ADAM-5091 Module
There are two LEDs for each port on the front panel of the ADAM-5091 to display spe-
cific communication status:
a. Red LED (RX): Data Receiving Status; the LED indicator is on when the port is
receiving data.
b. Green LED (TX): Data Transmitting Status; the LED indicator is on when the port
is transmitting data.
Table 7.9: ADAM-5091 Technical Specifications
Function Provides communication ports for the ADAM-5560 to integrate
other devices with communication function into your system
Electrical Interface 4 ports RS-232
Communication Rates 4800, 9600, 19200, 38400, 115200bps
FIFO 128 bytes/per UART (Tx/Rx)
Indicator Tx (Green), Rx (Red)
Power Required
100mA @ 5VDC Default in RI mode (*)
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