Hardware Thread, UPS Cables - Anyone clarify? in Technical; Our UPS decided to throw a wobbly this morning, as I suspected it would. I'm now trying to verify that ...
10th February 2011, 11:54 AM #1
UPS Cables - Anyone clarify?
Our UPS decided to throw a wobbly this morning, as I suspected it would. I'm now trying to verify that the right cables are being used.
The UPS is a s APC SmartUPS SUA3000 with an APC Interface Expander.
The cables I have are:
What I am trying to work out is which cable goes from the port on the UPS, to the main server, and then which cable goes from expansion slot A and expansion slot B to the two other servers.
I suspect 940-0020B from expansion slots A and B? But not sure about the other slot - 940-0020C?
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10th February 2011, 11:59 AM #2
10th February 2011, 12:00 PM #3
Why bother with serial at all, why not the AP9617 with the free network shutdown software....
By the time you have sourced and purchased the cables you could have sorted it... asumming your servers switch and APC are all on a UPS protected circuit
In my experience with these either APC cable works its just a case of getting the Dip Switch settings right for smart or simple signalling.
Im sure a quick email to APC support will resove your dilemma.
10th February 2011, 12:01 PM #4
Thanks, that's all well and good, but given that the UPS has already thrown a wobbly this morning you could say I am looking for somebody to hold my hand on this one!
Am I right in saying:
"I suspect 940-0020B from expansion slots A and B? But not sure about the other slot - 940-0020C?"
I understand which cables, it's just the A,B,C,D letters which aren't referenced anywhere.
Interface card is already paid for and installed. it would be a waste of money to take it out.
Last edited by Edu-IT; 10th February 2011 at 12:05 PM.
10th February 2011, 12:05 PM #5
What ever cable you have that's the smart cable goes from the ups on board port to your main server, the basic cables then go from the interface expander to the other servers.
10th February 2011, 12:19 PM #6
So 940-0024C from the onboard and 940-0020B from the expansion. Thanks!
What do all the letters mean? That is what was confusing me.
10th February 2011, 12:27 PM #7
Also 940-1524C is the same as 940-0024C just longer.
The different letters do have different configurations if you look at a pinout site, it's all confusing I don't know why apc could stick to 2 cables a smart and a basic one for everything and make it simple.
10th February 2011, 12:34 PM #8
Right, but, 940-0024 is a Smart Signalling cable. When you use the Interface Expander you're told to choose the option Simple Signalling with Interface Expander in Powerchute Business Edition Basic Edition. So, will this cable still communicate? :-S
10th February 2011, 12:55 PM #9
Progress! Got one of the servers communicating properly now using 940-0020B. :-)
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