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Specification
Brand : EC Buying
BulletPoint1 : The MAX485 chip on board is a low-power and swing-limiting transceiver for RS485 communication
BulletPoint2 : On-board connection to 5.08 (mm) pitch 2P terminal, convenient for RS-485 communication wiring
BulletPoint3 : All pins of the chip have been led out, which can be controlled and operated by the single-chip computer
BulletPoint4 : Working voltage: 5V
BulletPoint5 : Board size: 46mmx12mm
Color : Blue
CompatibleDevices : PC
CompatibleDevices1 : Personal Computer
CompatibleDevices2 : Laptop
CompatibleDevices3 : Smartphone
ConnectorGender : Male-to-Female
ConnectorType : RS-485
ConnectorType1 : Auxiliary
ConnectorType2 : DB9 9 Pin
ControlMethod : application
CurrentRating : 500 milliamps
CustomerPackageType : loose
DataTransferRate : 2 megabits_per_second
ExternallyAssignedProductIdentifier1 : 647923367546
ExternallyAssignedProductIdentifier2 : 0647923367546
FinishType : Finish
HardwareInterface : usb_c
IncludedComponents : DB-9 RS-232 Converter Cable
IndoorOutdoorUsage1 : outdoor
IndoorOutdoorUsage2 : indoor
InputVoltage : 5 volts
ItemName : EC Buying MAX485 Conversion Module - 12Pcs RS485 Transceiver Module TTL to RS485 SCM Development Accessories Board
ItemPackageDimensions_Height : 23.6 centimeters
ItemPackageDimensions_Length : 4.4 centimeters
ItemPackageDimensions_Width : 17.7 centimeters
ItemPackageQuantity : 1
ItemShape : Round
ItemTypeKeyword : computer-cable-serial-adapters
LowerTemperatureRating : -20 degrees_celsius
Manufacturer : EC Buying
Material : copper
MaximumVoltage : 5 volts
ModelName : XBL-AV-10037
ModelNumber : f8022a70-3c74-4899-afea-fe0be08bd5c5
MountingType1 : Panel Mount
MountingType2 : DIN Rail Mount
NominalPower : 5 watts
NumberOfContacts : 9
NumberOfItems : 12
NumberOfPins : 40
NumberOfPoles : 9
NumberOfPorts : 1
OperatingSystem : Windows, macOS, Linux
PartNumber : XBL-AV-10037
PowerPlugType : no_plug
ProductDescription : Specifications:
Working Voltage: 5V
Main Chip: MAX485
Speeds: up to 2.5Mbit/Sec
Distances: up to 1200 meters
Multi-drop supports: up to 32 devices on the same bus
Uses differential signaling for noise immunity
On board 5.08(mm) 2P connector for RS 485 wires

All the pins of the chip are brought out, and can be controlled by MCUPIN:
VCC: 5V
A: Non-inverting receiver input and non-inverting driver output
B: Inverting receiver input and inverting driver output
GND: 0V
R0: Receiver output (to RX pin of microcontroller)
RE: Receiver output enable (low to enable)
DE: Driver output enable (high to enable)
DI: Driver input (to Tx pin of microcontroller)

Package includes:
12 x MAX485 TTL to RS-485 interface module
ProductSiteLaunchDate : 2023-03-03T09:27:44.363Z
RecommendedUsesForProduct : controlling devices and displays requiring RS-232 serial control
Size : 3.3V (Raspberry Pi)
SpecificUsesForProduct : Electronic
SpecificUsesForProduct1 : USB to Serial
SpecificUsesForProduct2 : USB to UART
SpecificUsesForProduct3 : USB to RS485
Style : Classic
SupplierDeclaredDgHzRegulation : not_applicable
SupplierDeclaredHasProductIdentifierExemption : 1
UnitCount : 1
UnspscCode : 43200000
UpperTemperatureRating : 50 degrees_celsius
Voltage : 48 volts
WarrantyDescription : 1 Year Manufacturer