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Network pics thread

Nice.

Got a Cisco 2801 coming in a few days.

As a part of testing/planning my network/server overhaul I used the 2600XM with NM-2V + FXS/FXO WIC's from my lab to do some config tests for connecting my new CallManager setup to some analog lines and sip trunks, and soon realized IOS below 15.0 can only handle one SIP server.

Cisco 2801 (revision 6.0) with 233472K/28672K bytes of memory.
2 FastEthernet interfaces
2 Voice FXS interfaces
1 DSP, 8 Voice resources
62720K bytes of ATA CompactFlash (Read/Write)
Should do the job :cool:

Only need to find a Version 2 FXO WIC since the v1 from the 2600XM Setup probably won't work in the 2801.

I also have a 1841 running as internet router (DSL, Cable + several PTP VPN's). Doubting if in the end I should merge it all onto the 2801 or just keep it seperated.
 
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A virtual lab I slapped together the other night to play with OSPF and EIGRP distribution via OSPF.

Labels are not as updated as I labeled my backbone area 20 instead of 0... not going to work...


 
CiscoInside said:
A virtual lab I slapped together the other night to play with OSPF and EIGRP distribution via OSPF.

Labels are not as updated as I labeled my backbone area 20 instead of 0... not going to work...


Click to expand...

Sexy, toss some FR in there!
 
haunter said:
http://www.newegg.com/Product/Product.aspx?Item=N82E16811999039

I have that in the netscreen, I need to replace or quiet that bastard down, 55 DB's is too much

i have no issue undervolting the CPU a little and downclocking a wee bit if needed

they do seem to make a new version thats not REALLY quieter, but its 3 wire so it could be if it will slow the thing down some...
Click to expand...

Add a 3watt resistor, about 51 ohm or a 100 ohm, then it will be quiet :)
 
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With the resistor in series, less current will be available to the motor. The motor will accelerate less with each pulse given from the PWM controller. The PWM controller will notice the motor is spinning slower by monitoring its sense line and will compensate by pulsing more frequently or with a higher duty cycle. Eventually, the controller will take the duty cycle to 100% and won't be able to accelerate the fan.
 
Instead of a resistor I usually prefer to just put fans on a lower voltage rail. Typically fans are 12 volts so you can put it on the 5v rail to greatly reduce it's speed. Of course the air flow will be reduced, but if it's not an issue, then it gets the job done. Of course a resistor will give you finer tuning if you find the right one.
 
Red Squirrel said:
Instead of a resistor I usually prefer to just put fans on a lower voltage rail. Typically fans are 12 volts so you can put it on the 5v rail to greatly reduce it's speed. Of course the air flow will be reduced, but if it's not an issue, then it gets the job done. Of course a resistor will give you finer tuning if you find the right one.
Click to expand...

that doesn't always work, because fans require a startup voltage to start spinning, ie why i use a resistor, some things i have used my smd lm317 v-reg's.

haunter said:
im guessing that means it will spin slower? :p

it has the lead for the 3rd wire, and sunons new model of it is 3wire. i found another one...http://www.amazon.com/Nidec-Gamma30...TF8&colid=2VVYFH99B6CLO&coliid=I1PZUSGOUMX3T4

thats 3 wire and should be the same dimensions, it should speed regulate itself some I hope

might try that resister first, hopefully its something radio shack carrys
Click to expand...

If you can't find any let me know ill help you out with a dummy cable that will plug directly into the motherboard & fan :)
 
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dashpuppy said:
that doesn't always work, because fans require a startup voltage to start spinning
Click to expand...

The resistor has a voltage drop across it, which it why it makes the fan spin slower. Same thing as putting it on a lower voltage rail. You can run at 7v instead of 12v by using the 12v and 5v rails, which have an electrical potential difference of 7v.
 
Jesse B said:
The resistor has a voltage drop across it, which it why it makes the fan spin slower. Same thing as putting it on a lower voltage rail. You can run at 7v instead of 12v by using the 12v and 5v rails, which have an electrical potential difference of 7v.
Click to expand...

Using a 51ohm resistor othe 12v side for the fan will give you 7v. Some fans won't start spinning unless it sees 6v or higher. I found this out over the weekend by using to high of a value resistor.personally, I like the smd lm317 v regs that I have, but I'm waiting for more prototype boards to arrive..
 
mikeblas said:
With the resistor in series, less current will be available to the motor. The motor will accelerate less with each pulse given from the PWM controller. The PWM controller will notice the motor is spinning slower by monitoring its sense line and will compensate by pulsing more frequently or with a higher duty cycle. Eventually, the controller will take the duty cycle to 100% and won't be able to accelerate the fan.
Click to expand...

the one in there now is 2 wire with a place for a 3rd wire on it on the circuit board

there is a similar one on amazone for 10 bucks that PWN which I might try, or get a resistor for the existing, so no worries about doing a resistor on a PWN one!
 
haunter said:
the one in there now is 2 wire with a place for a 3rd wire on it on the circuit board

there is a similar one on amazone for 10 bucks that PWN which I might try, or get a resistor for the existing, so no worries about doing a resistor on a PWN one!
Click to expand...

PWM :). And you don't have to use the 3rd sensor wire btw
 
Hmm this has me thinking, Arduino boards can do PWM, I wonder if one could build a cheap fan controller with one. I don't know if they're rated to power stuff like a fan though, You'd need a solid state relay for each fan. Could even throw in some temp sensors and have them influence the speed. The coding is C++ so it would be easy to hard code the logic on the board itself.
 
Red Squirrel said:
Hmm this has me thinking, Arduino boards can do PWM, I wonder if one could build a cheap fan controller with one. I don't know if they're rated to power stuff like a fan though, You'd need a solid state relay for each fan. Could even throw in some temp sensors and have them influence the speed. The coding is C++ so it would be easy to hard code the logic on the board itself.
Click to expand...

did one it was cool,but over rated totally.

I'm actually working on a few different prototypes :) all SMD too!!

Thermal controlled one
Manual controled one
USb interface & soft for user to change fan in windows
just a standard version
 
Red Squirrel said:
Hmm this has me thinking, Arduino boards can do PWM, I wonder if one could build a cheap fan controller with one. I don't know if they're rated to power stuff like a fan though, You'd need a solid state relay for each fan. Could even throw in some temp sensors and have them influence the speed. The coding is C++ so it would be easy to hard code the logic on the board itself.
Click to expand...
You don't need a solid-state relay; a transistor will do it. Arduino boards start at very nearly the price for a ready-made fan controller, so I'm not sure you've got the "cheap" part right. Texas Instruments makes a single-chip temperature-sensing fan controller, and I think Analog Devices does, too. Building your own controller from an Arduino would be a fun and educational project, but it's not really the way to save money or make much of a difference in noise level.
haunter said:
bah typos :p
dont have to use it for what? its for fan speed control right?
Click to expand...
It provides a tachometer signal to the fan controller so the fan controller can adjust the speed of the fan. It closes the loop of the control system.
 
Ctek said:
Less talk moar pictures!
Click to expand...

I really think that people who post shit like this without pictures to accompany the talk should be instantly banned. Sometimes I don't care for all the talk too, but I just scroll through it.
 
valve1138 said:
Where are you pictures? :confused:
Click to expand...

Here it goes, my custom camera server in a norco case. It's a Bromolow platform.

Antec Green PSU, Asus P8B-X mobo, 8GB UDIMM, Xeon E3-1270. 4 x Hitachi 3TB Drives in RAID5 from the Intel controller + 2 x 500GB RAID1 for OS and other purposes.

Norco2.jpg

norco1.jpg
 
calvinj said:
I really think that people who post shit like this without pictures to accompany the talk should be instantly banned. Sometimes I don't care for all the talk too, but I just scroll through it.
Click to expand...

Guess you didn't have your coffee this morning?
 
IMG-20120705-00025-e1341515565726.jpg


Sorry for the shitty pic. All I had was my BB at the time.

Recently bought a Synology DS712+ with a 5 bay expansion unit. Right now it's running 2x2TB in the main unit and 4x1TB in the expansion. I upgraded from a WHS and I'm REALLY liking Synology. I have iSCSI setup on it as well for my Hyper-V server and it's rock solid. I am very impressed with it. Way better than my WHS, that's for sure. I will slowly upgrade drives, but both volumes (2 and 3 TB) are only half full. Expanding the volume and adding disks is pretty much automatically and very nice.
 
/usr/home said:
Sorry for the shitty pic. All I had was my BB at the time.

Recently bought a Synology DS712+ with a 5 bay expansion unit. Right now it's running 2x2TB in the main unit and 4x1TB in the expansion. I upgraded from a WHS and I'm REALLY liking Synology. I have iSCSI setup on it as well for my Hyper-V server and it's rock solid. I am very impressed with it. Way better than my WHS, that's for sure. I will slowly upgrade drives, but both volumes (2 and 3 TB) are only half full. Expanding the volume and adding disks is pretty much automatically and very nice.
Click to expand...

first of all, BLACKBERRy WTF!!! YUK!! :D


Your new unit looks sweet, how much that bad girl cost ya ?

It sounds like it does live migration like the qnaps do. Where you can install new drives one at a time and it will build a bigger volume..
 
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