The ESE ES-520UE is a 60 Minute Up Timer. Start, Stop and Reset controls are provided on the front of the case. A remote control input is accessible on the rear-mounted DB-9 connector, which also supplies ESE Timer Code for driving up to 100 remote slave displays. This unit consists of a connector wired to switches on a control plate via a six-foot cable for remote control and a 19" rackmount front panel.