Go Back   Data Center, Colocation, Cloud Computing, Storage, Dedicated Servers Forums > General DataCenter Discussion Forum > Data Center Design, Development, Building Systems and Operations

Reply

 

Thread Tools
  #1  
Old 01-22-2006, 09:50 PM
Zitibake Zitibake is offline
Senior Member
 
Join Date: Dec 2005
Posts: 113
Default PoE/802.3af environmental monitor

I'm looking for a remote temperature sensor:
-surface mount
-powered by power-over-ethernet
-monitorable via snmp or http
-with terminal leads which I can attach to an under-floor water sensor

http://eesensors.com/websensor.html doesn't look too bad, except that it's not PoE-compatible, so I'd have to muck with custom cabling.
Reply With Quote
  #2  
Old 01-23-2006, 03:44 AM
atermine
Guest
 
Posts: n/a
Default environmental montoring

http://apcc.com/products/family/index.cfm?id=15
Reply With Quote
  #3  
Old 01-27-2006, 04:18 AM
Zitibake Zitibake is offline
Senior Member
 
Join Date: Dec 2005
Posts: 113
Default

Thanks; that looks pretty good, except for the proprietary cable. 20-foot cable is pretty short!

Any suggestions on where to put the temp sensors? I could put one near (or on top of) every Liebert; or put them on top of cabinets.
Reply With Quote
  #4  
Old 01-27-2006, 04:28 AM
bw_franko
Guest
 
Posts: n/a
Default

Hey,

I believe you can put of it which is easy enough to sensor your equipment.

Thanks
Frank
Reply With Quote
  #5  
Old 01-29-2006, 03:42 PM
Zitibake Zitibake is offline
Senior Member
 
Join Date: Dec 2005
Posts: 113
Default

I've been looking more at these; APC offers an 8-sensor controller/hub ($800) and a 2-sensor controller/hub. But in both cases, the total cable length for the sensor bus is 132 feet. That's pretty short. I'll need to use several controller/hubs to reach around my datacenter. They can be wall-mounted, but then I need to run power to each wall-mounted unit. That's why I'm interested in PoE.

I may have several powered Horizontal Distribution Areas where I can place three controllers, then control the sensors from there. But I'm wondering what a TIA-942 audit will think of that solution (putting environmental monitoring systems in Distribution Areas).
Reply With Quote
  #6  
Old 03-07-2006, 04:18 AM
Zitibake Zitibake is offline
Senior Member
 
Join Date: Dec 2005
Posts: 113
Default

I ended-up getting the APC AP9320, with a set of AP9520TH temp/humidity probes. The system was straightforward to set-up, although I had trouble "applying" some network changes via the telnet interface. Once set-up with the http interface, the system is working mostly as-advertised.

The system logs events/alarms to syslog, supports SNMP trap, SNMP pollable... and will send emails for minor or major alarms (cool!). However, the SMTP email interface doesn't seem to squash a babbling condition (for example, a temperature hovering near an alarm threshold), so don't give it your pager email address!

All the probes I installed seem to be giving reasonable values. The SNMP OID for temperature only returns integers (of course... it's SNMP), so you can get finer detail by reading the unit visually or making an HTTP get. When one user is accessing the device via telnet/ssh or http, no-one else can get in (except by SNMP).

The only PoE-powered monitor I found was the Netbotz, but they cost significantly more. Other units priced in-between needed a power injector or needed a power brick for each probe, and I didn't want to mess with custom low-voltage wiring.
Reply With Quote
  #7  
Old 03-08-2006, 05:00 PM
mlane
Guest
 
Posts: n/a
Default RLE's Falcon Monitoring System

Another solution for you could be the Falcon Monitoring System by RLE Technologies. They design it for use in data center applications such as yours. Just something to look at...

Last edited by mlane; 03-08-2006 at 05:01 PM. Reason: hyperlink wrong
Reply With Quote
Reply

Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT. The time now is 08:30 PM.

Member Area



Data Center Industry Daily News


Cloud and Dedicated Hosting


Sponsors Managed Servers Sponsored by DedicatedNOW.
Powered by vBulletin® Version 3.8.9
Copyright ©2000 - 2024, vBulletin Solutions, Inc.