FrSky RB-25 - Page 2

Version
1.0
Instruction Manual for FrSky RB-25 & RB-25S
FrSky Electronic Co., Ltd. www.frsky-rc.com Contact us : frsky@frsky-rc.com
Add: F-4,Building C, Zhongxiu Technology Park, No.3 Yuanxi Road, Wuxi, 214125, Jiangsu, China Technical Support: sales4tech@gmail.com
● Operating Voltage: 4-10V (Recommend 2S Li batteries)
● Operating Current: ≤185mA@5V / Continuous Current: ≤30A
● Operating Temperature: -20°C~75°C
● Power Input Connector: XT30
Features
● Dual Power Balancing Consumption
● Triple Receiver Redundant Guarantee
● RX In | FBUS/SBUS/S.Port Auto Recognization
(Note: Only the S.Port on the RX1 channel port can be used to upgrade firmware.)
● Built-in Advanced Stabilization Functions (RB-25S)
● Built-in High-Precision Telemetry Sensor (Altitude, Vertical Speed, etc.) (RB-25S)
● Built-in Power Switch Function | Match with Different External Switches (Optional)
● Supports External LED Indication
● Compatible with FBUS/S.Port Products
Setup Guide - Redundant Signal Control with Telemetry
RX Input (RX1/RX2/RX3)
Port is SBUS/FBUS/S.Port
Auto Recognization
Only the S.Port on the RX1
channel port can be used
to upgrade firmware.
FBUS Capable Receiver
RECEIVER
10
9
10 11 12 13 14 15 16 17 18
9 8 7 6 5 4 3 2 1
10 11 12 13 14 15 16 17 18
9 8 7 6 5 4 3 2 1
FBUS
FBUS Capable Receiver
RECEIVER
10
9
FBUS
FBUS Capable Receiver
RECEIVER
10
9
FBUS
FBUS Capable Receiver Connections
RECEIVER
SBUS Capable Receiver
S.Port
10 11 12 13 14 15 16 17 18
9 8 7 6 5 4 3 2 1
10 11 12 13 14 15 16 17 18
9 8 7 6 5 4 3 2 1
RX Input (RX1/RX2/RX3)
Port is SBUS/FBUS/S.Port
Auto Recognization
SBUS OUT
SBUS OUT
Only the S.Port on the RX1
channel port can be used
to upgrade firmware.
ACCESS Receiver Connections vis SBUS
RECEIVER
SBUS Capable Receiver
RECEIVER
SBUS Capable Receiver
S.Port
10 11 12 13 14 15 16 17 18
9 8 7 6 5 4 3 2 1
10 11 12 13 14 15 16 17 18
9 8 7 6 5 4 3 2 1
RX Input (RX1/RX2/RX3)
Port is SBUS/FBUS/S.Port
Auto Recognization
SBUS OUT
SBUS OUT
Only the S.Port on the RX1
channel port can be used
to upgrade firmware.
ACCST Receiver Connections vis SBUS
RECEIVER
SBUS Capable Receiver
Telemetry redundancy is not capable while working with ACCST receivers.