Name
Color
Status
Description
Major alarm
indicator
Red
Off
No critical or major alarm is
generated.
Steady on
A critical or major alarm is
generated.
Wiring Terminals
Figure 3-3 Wiring terminals
Table 3-2 Pin definitions for SIG1 wiring terminals
Pin
Signal
Description
1
DI1+
Dry contact input
6
DI1-
2
IO1+
Dry contact input/Dry contact output (When
used as a dry contact input, the alarm
condition is as follows: normal when open,
alarm when closed. When used as a dry
contact output, the alarm action is as follows:
open when normal, closed when alarm.)
3
IO1-
4
IO2+
5
IO2-
7
IO3+
8
IO3-
9
IO4+
10
IO4-
ETP4860-B1A2 Embedded Power
User Manual
3 Components
Issue 04 (2021-01-05)
Copyright © Huawei Technologies Co., Ltd.
19