Otis GDA25005B1 RS14 Communication / Address Board
Original elevator control PCB with 12-month warranty and ready-to-ship stock. This plug-and-play intelligence module for Otis elevators serves as the OEM communication and address board that links the car, landings, and main controller. No software re-flash or harness changes required. Every unit is 100% genuine, anti-static bagged, and warehouse-tested before shipment for immediate installation.
Key Benefits
Exact OEM footprint for drop-in replacement with zero cabinet modification
On-board RS14 protocol chip restores full serial communication in seconds
Gold-plated edge fingers provide anti-corrosion protection for over 10-year service life
Pre-loaded firmware eliminates need for laptop or hand-held device on site
Technical Specifications
| Model |
GDA25005B1 |
| Alternate Mark |
RS14 address board |
| CPU |
16-bit Otis custom MCU |
| Supply Voltage |
24 VDC ±10% |
| Current Draw |
85 mA typical / 120 mA max |
| Inputs |
8 × address dipswitch, 1 × self-test jumper |
| Outputs |
Isolated RS485 to MCB & HCB |
| Baud Rate |
38.4 k fixed |
| Operating Temperature |
-10 °C to +70 °C |
| Humidity |
5% to 95% RH non-condensing |
| PCB Coating |
Conformal acrylic, flame-rated UL 94 V-0 |
| Dimensions |
160 × 100 × 25 mm |
| Mounting |
4 × M4 stand-offs, 30 mm spacing |
| Weight |
135 g |
| Compliance |
CE, RoHS, Otis QMS |
Ready for Immediate Installation: Minimum order quantity 1 piece with global courier delivery in 3-7 days.