36
System Diagram (Economical Proposal)
Appendix Figure 1-2
With point-to-point transmission, receiving end adopts DH-PFM881 device.
No.
Type
Model No.
Qua
ntity
Description
Feature
1
Wireless
receiving
end
DH-PFM881
1
Outdoor waterproof, wide temperature:
-30~70°, wireless bandwidth: 300M,
coverage area: 3km, standard power
supply
It applies to
outdoor
high
temperature
and
low
temperature
environment.
2
Wireless
client
DH-PFM881
1
Outdoor waterproof, wide temperature:
-30~70°, wireless bandwidth: 300M,
coverage area: 3km, standard power
supply
It applies to
outdoor
high
temperature
and
low
temperature
environment.
3
Switch of
machine
room
(optional)
DH-S4200-24
T
1
Gigabit
management
switch,
24*10/100/1000Base-T, 4*SFP(Combo)
light, natural heat dissipation without
fan, dustproof design
It applies to
non-standard
machine room
environment.
Appendix Table 1-2 Recommended Model Selection List of Economical Proposal
