GW-2139M (Modbus TCP to BACnet MS/TP Gateway) User Manual
Version 1.0.0
Page
：
10
Copyright © 2019 ICP DAS Co., Ltd. All Rights Reserved E-mail: [email protected]
2.3 LED Indicator
There are six LEDs to indicate the various states of the GW-2139M. The following is the
illustration of these six LEDs.
Figure 2.1 LED position of the GW-2139M
LED Name GW-2139M Status
LED Status
ALL LEDs
FW Updating Mode
LED will be twinkled sequentially.
PWR
(Module)
Power On
On
Power Failure
Off
NET
(MSTP)
Connect at least one
device
On
No
devices
are
connected
Blink per 200 ms
STA
(MSTP)
Connect all device
On
Some devices are not
connected
Blink per 200 ms
CNT
(Modbus)
Connected by least one
client.
On
No clients connect
Blink per 200 ms
RxD
(Modbus)
Data reception
On
No Data reception
Off
TxD
(Modbus)
Data transmission
On
No Data reception
Off
Table 2.1 LED indication of the GW-2139M
STA
NET
PWR
TxD
RxD
CNT
