6AV3505-1FB12 - Siemens

Coros OP5-A2 HMI Operator Panel..

6AV3505-1FB00 - Siemens

Coros OP5-A1 Operator Panel..

6AV3505-1FB01 - Siemens

Simatic OP5/A1 HMI, 4 x 20 CPL with 1 X TTY/V.24..