Why would the manager have a copy of anything? It's not their equipment. All equipment belongs to the club that owns the building. And no, I'm not handing out my work for some comic book reading twerp to come in and profit from. The router had a warning sticker on it. And anyone with a brain could scan and see given the number of devices on the network, blindly screwing around with the router could cause problems. So pick up the phone and call someone to verify details. It's not rocket science. Even an IT guy should be able to comprehend it.
Civil War reenactment is LARPing for people with no imagination.