1st generation iPod classic ac adapter

1st generation iPod classic ac adapter
I recently purchased a 1st generation iPod classic 5gb model M8541. it came with no cables and I am unable to teat to make sure it works and I am trying to find out exactly what cables I need to buy off eBay to charge it. I've looked on many forums and they all say FireWire 1394 but I wanna be sure before I buy it. Any help is greatly appreciated.

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