Huawei ECC800-Pro User Manual page 38

ECC800 Data Center Controller
User Manual (for ECC800-Pro)
Item
The following table describes the pin assignments for the COM_IN and COM_OUT
ports.
Table 3-20 Pin assignment for the COM_IN and COM_OUT ports
Item
Pin
sequence
Indicators and Buttons
Table 3-21 UIM20A indicators
Indicator
RUN
Issue 02 (2020-09-07)
Description
Pin6 D-
Pin7 D+
Pin8 GND
Description
Pin1 RS485+
Pin2 RS485-
Pin3 12 V (input power, supplying power to the module)
Pin4 RS485+
Pin5 RS485-
Pin6 -
Pin7 -
Pin8 GND
Status Description
Steady A board application is being loaded.
on
Off The board is not running.
Blinking The ECC800-Pro is successfully registered, and the
at long software runs properly (blinking at long intervals (0.5
intervals Hz), on for 1s and then off for 1s).
Blinking The communication is interrupted or the ECC800-Pro is
at short unsuccessfully registered (blinking at 2.5 Hz, on for 0.2s
intervals and then off for 0.2s).
Copyright © Huawei Technologies Co., Ltd.
3 Device Description
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