Brand: Otis

Exact Model: LB_II

MPN: GBA21230F (PCB Blank P/N: GCA610YW1)

Type: Logic Control Board / Main Processor PCB

Controller Platform: Otis Elevator Control System (GO 102 SB)

Country of Origin: Germany

Features: Zilog Z84C1510FEC microprocessor, onboard 7-segment diagnostic display, manual testing push-buttons (S1, S2, S3), DIP switches, RS-232 serial communication interface (P14), and comprehensive LED status indicator array (UIB, DIB, DOL, DFC, etc.)

Mounting: Chassis / Standoff Mount

Production Year: 1998 (Based on PCB copyright)