Table 3-52 Technical specifications of an alarm beacon
Item
Specifications
Power input
RJ45 port, input voltage 9–16 V DC, operating current ≤
400 mA
Sound pressure
≥ 100±3 dB/30 cm
Continuous operating
time
≥ 45 min
3.2.13 (Optional) Smart U Space Manager
The smart U space manager is designed for IT asset management of the data
center. The system automatically detects the physical location of IT devices in the
data center, and collects IT asset codes and the information about U space usage.
The asset detection strip of the smart U space manager and the main control box
must be assembled together. Otherwise, the physical location of devices cannot be
detected.
Figure 3-28 Smart U space manager
(1) Asset detection strip
(2) Asset label
(3) Main control box
Table 3-53 Technical specifications of the smart U space manager
Item
Specifications
Characteristic
Applicable to 42 U cabinets
Communications port
RS485, Modbus-RTU
Communication
Rate: 9600 bit/s
Communication format: one start bit, eight data
bits, no parity bit, one stop bit
Power input
12 V DC±5% (RJ45)
Rated current and power
consumption
250 mA
ECC800 Data Center Controller
User Manual
3 Device Description
Issue 04 (2021-10-09)
Copyright © Huawei Technologies Co., Ltd.
59