Drake 4000 digital intercom with some panels.

Mainframe has 2x power supplies installed

cards installed include

• 1x master processor MPC pde6542
• 1x 16channel Panel card with 16x coax ports for panel connections, PCC pde 4s6008 6b
• 1x Codec pde  4s 4028ab  (External outputs)
• 1x codec pde 4621b  (external outputs)
• 1x dmc pde3601a   (GPI etc)

2x panels included model pd4024