Huawei FusionModule2000 - Ecm

FusionModule2000 Smart Modular Data Center
Product Description
5 Power Supply and Distribution System
Issue 06 (2020-05-21)
Copyright © Huawei Technologies Co., Ltd.
49
Figure 5-40 Signal panel on the control module
(1) Ground terminal
(2) Parallel port 1
(3) BSC port
1
(4) Ready switch
on ECM 1
(5) Indicators for ECM 1
(6) Parallel port 2
(7) BSC port
2
(8) Ready switch
on ECM 2
(9) Indicators for ECM 2
(10) Dry contact card
(11) Dry
contacts
(12) MDU port
(13) RS485 port
(14) Fast Ethernet (FE)
port
(15) COM2
port
(16) COM1 port
(17) Battery temperature
sensor port
(18) Optional card
subrack cover
Ports are protected by a security mechanism.
5.2.2.4.2 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 5-41 ECM
Table 5-21 Ports on the ECM
Silk Screen
Description
PARALLEL
The PARALLEL port transmits parallel signals.
BSC
The BSC port is used in a dual-bus system to synchronize
output frequencies and phases between UPS systems,