4 Unshielded Twisted Pairs Cabled Together.
Maximum cable length is 80meters for slower network speeds (up to 1000Mbps), or 55meters maximum for higher network speeds.
23 AWG Solid Annealed Copper Wire.
Never pay down a deposit in a bank account until you have met the seller, seen signed a purchase agreement.
No serious private advertisers ask for a down payment before you meet.
Receiving an email with an in-scanned ID does not mean that you have identified the sender. You do this on the spot, when you sign a purchase agreement.