Connecting Cables (Dc Power); Table 11-1 Dc Power Cable Parameters - Zte NetNumen U31 R06 Hardware Installation Manual

NetNumen™ U31 R06 Hardware Installation Guide

11.2.3 Connecting Cables (DC Power)

When the alarm box uses a
cable delivered with the alarm box, or select another equivalent cable. For
parameter descriptions, refer to

Table 11-1 DC Power Cable Parameters

Parameter
Nominal cross-sectional area
Outer diameter
Insulation layer thickness
Outer diameter of the insulation
layer
Maximum DC resistance (20 ℃)
Note:
The DC power cable and network cable should be covered by trunking and secured on the
wall. Cable bends should be smooth.
Caution!
Do not strain the cables because this can damage the cables.
This procedure describes how to connect the
the alarm box.
Prerequisite
l
The power cable and a straight-through network cable (RJ-45 connector) are
connected and routed properly.
l
A screwdriver and cable ties are ready.
l
Ensure that the
SJ-20141121113158-006|2014-12-20 (R1.0)
DC power supply, you can use the 3-meter-long
Table 11-1.
Value
1 mm 2
1.3 mm
0.65 mm
2.6 mm
20 Ω/km
DC power is switched off.
11-6
Parameter
Jacket thickness
Outer diameter of the
jacket
Rated voltage
Maximum temperature
resistance
-
DC power cable and the network cable to
ZTE Proprietary and Confidential
DC power
DC power cable
Value
0.87 mm
6.94 mm
300/500 V
70 ℃
-