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121 posts

Master Geek
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Topic # 238291 10-Jul-2018 18:36
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I'm a small business and want a decent L3 managed PoE switch to run the LAN. I'm familiar with the 3750 from my IT days and they seem to be going pretty cheaply but I'm not sure about their PoE credentials. 

 

Cisco specify their PoE 3750's as "Cisco prestandard PoE".

 

Will it power Hikvision/Dahua PoE Cameras, Unifi AP and Grandstream Phones?


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  Reply # 2052880 10-Jul-2018 19:10
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No

 

Plenty of 802.3af Cisco's that don't go for more than $50 - $75 on Trademe because they're so old and noisy nobody wants them.

 

 

 

 


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  Reply # 2052886 10-Jul-2018 19:25
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I picked up a 24 Port 3750G off Trademe and it works fine with my PoE camera (Hikvision) and APs (Ruckus) and it works fine for me.

 

cisco WS-C3750G-24PS (PowerPC405) processor (revision D0) with 131072K bytes of memory.

 

show power inline

 

Module Available Used Remaining
(Watts) (Watts) (Watts)
------ --------- -------- ---------
1 370.0 61.6 308.4
Interface Admin Oper Power Device Class Max
(Watts)
--------- ------ ---------- ------- ------------------- ----- ----
Gi1/0/1 auto on 15.4 Ieee PD 3 15.4
Gi1/0/2 auto on 15.4 Ieee PD 3 15.4
Gi1/0/3 auto on 15.4 Ieee PD 3 15.4
Gi1/0/4 auto off 0.0 n/a n/a 15.4








121 posts

Master Geek
+1 received by user: 2


  Reply # 2053048 11-Jul-2018 06:26
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I take your point on the noise of these big switches. What would you suggest is good value for a 24 port PoE switch with VLAN support? Ideally the VLANs should be able to communicate without leaving the switch but I’m assuming I could route them through the ASA5505 if necessary.



121 posts

Master Geek
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  Reply # 2053052 11-Jul-2018 06:35
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I’ve checked and the ASA5505 won’t work as a router for these VLANs. It is limited to 2 VLANs.

So I’d need a L3 switch presumably.

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