Huawei ECC800 User Manual page 30

ECC800 Data Center Controller
User Manual (for ECC800-Pro)
Item
Indicator
Table 3-8 COM1/AIDI_4, COM2/AIDI_5 port pin definitions
Item
Pin sequence
Indicator
Table 3-9 COM3/12V port pin definitions
Item
Pin sequence
Issue 06 (2020-04-22)
Description
Pin3 GE2+
Pin4 GE3+
Pin5 GE3-
Pin6 GE2-
Pin7 GE4+
Pin8 GE4-
Green
Linked, steady on
indicator
Yellow ACT data communication, blinking
indicator
Description
Pin1 RS485+
Pin2 RS485-
Pin3 12V DC_OUT
Pin4 RS485+
Pin5 RS485-
Pin6 DI-
Pin7 DI+
Pin8 GND
Green Power output indicator
indicator

Steady on: The 12 V DC output is normal.
 Off: No 12 V DC output is provided.
Description
Pin1 RS485+
Pin2 RS485-
Pin3 12V DC_OUT
Pin4 RS485+
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3 Device Description
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