Emerson NetSure 211 C23, Руководство пользователя

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4 Chapter 2 Installation Instruction
NetSure 211 C23 Embedded Power Supply System User Manual
Table 2-3 Load cable CSA selection
Load route rated
current
Max. output
current
Min. cable
CSA
Max. cable length (volt drop:
0.5V, with min. CSA)
Max. cable CSA
Max. cable length (volt drop:
0.5V, with max. CSA)
10A 5A 1.5mm
2
8m 3.3mm
2
20m
20A 10A 1.5mm
2
4m 3.3mm
2
10m
Note:
The specs are applicable at ambient temperature of 25°C
The CSA of the system earth cable should be the same as that of the largest power distribution cable and not less
than 2.5mm
2
.
The RS232 cable is shown in Figure 2-1.
DB9
X1
RJ45
X2
A amplified view
A
Figure 2-1 RS232 cable
The definition of the RS232 cable connector is shown in Table 2-4. Users should make RS232 cable according to the
description in Table 2-4.
Table 2-4 Definition of the RS232 cable connector
DB9 RJ45
X1.2 X2.3
X1.3 X2.6
X1.4 X2.7
X1.5 X2.4 & X2.5
X1.6 X2.2
X1.7 X2.8
X1.8 X2.1
2.3 Mechanical Installation
1. Install brackets.
Fix the brackets on the power supply subrack with bolts. Users can choose proper installation position according to
actual instance.
2. Install the power supply subrack.
Fix the subrack in the cabinet with fixing screws. The installation dimensions are shown in Figure 2-2.