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UPS5000-E-(20 kVA-80 kVA)
User Manual (Integrated UPS, 208 V)
Figure 2-10 Signal panel on the control module
(1) Ground terminal
(5) Indicators for ECM 1
(9) Indicators for ECM 2
(13) RS485 port
(17) Battery temperature
sensor port
2.3.2.2 ECM
The control module consists of two ECMs that work in active/standby mode. Each card
provides two ports, that is, a BSC port in the upper part and a reserved parallel port in the
lower part.
Figure 2-11 ECM
Table 2-2 Ports on the ECM
Silk Screen
PARALLEL
BSC
Issue 04 (2020-03-12)
Ports are protected by a security mechanism.
Copyright © Huawei Technologies Co., Ltd.
(2) Parallel port 1
(6) Parallel port 2
(10) Dry contact card
(14) Fast Ethernet (FE)
port
(18) Optional card
subrack cover
Description
The PARALLEL port transmits parallel signals.
The BSC port is used in a dual-bus system to synchronize
output frequencies and phases between UPS systems,
(3) BSC port
(4) Ready switch
1
on ECM 1
(7) BSC port
(8) Ready switch
2
on ECM 2
(11) Dry
(12) MDU port
contacts
(15) COM2
(16) COM1 port
port
2 Overview
25
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