Description
Fully automatic transceiver circuit with no delay, ensures the USB port communicates with different interfaces fastly and stably, without interfering each other
Aluminium alloy enclosure, solid and durable
3 LEDs for indicating the power and transceiver status
High quality USB-B and RS232 connectors, smoothly plug/pull

Specifications

(1) USB
Operating voltage : 5V
Connector: USB-B
Protection : 200mA self-recovery fuse, isolated output

(2) RS232
Connector: DB9 male
Protection: TVS diode, surge protection & ESD protection
Transmission mode: Point-to-point
Baud rate: CH343G: up to 600000 bps (not full band)

(3) RS485
Connector: Screw terminal
Pins: A+/B-/GND
Direction control: Hardware automatically discriminates and controls the direction of data transmission
Protection : 600W lightningproof and surge-suppress, 15KV ESD protection (reserved 120R balancing resistor solder pads
Transmission mode: Point-to-multipoints (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more)
Baud rate: CH343G: up to 2 Mbps (not full band)

(4) TTL (UART)
Operating voltage: 3.3V / 5V
Connector : Screw terminal
Pins: TXD, RXD, GND, 5V
Protection: clamp protection diode, over-voltage/negative-voltage proof, shock resistance
Transmission mode : Point-to-point
Baud rate : CH343G: up to 2 Mbps (not full band)

(5) Indicators
PWR: Red power indicator, light up when there is USB connection and voltage is detected
TXD: Green TX indicator, light up when the USB port sends data
RXD: Blue RX indicator, light up when the device ports send data back

(6) Operating environment
Temperature: -15℃ ~ 70℃
Humidity: 5%RH ~ 95%RH

Online Document: n9.cl/3zlsz

Package Content
USB Converter x1
USB Cable ~1.2m x1

Brand	waveshare
Item model number	To Muti TTL-B Ver-B
Item Weight	7.7 ounces
Product Dimensions	2.76 x 2.76 x 0.39 inches
Item Dimensions LxWxH	2.76 x 2.76 x 0.39 inches
Color	USB TO RS232/485/TTL-CH343G
Manufacturer	Waveshare
ASIN	B0BM38NGCL
Date First Available	November 11, 2022

waveshare USB to RS485/RS232/TTL Converter Industrial Grade Isolated USB Adapter with CH343G Chip, Support Linux, Android, Windows 11/10 / 8.1/8 / 7, etc. Multi-Protocol/Multi-Type Conversion

Details

Description

Specifications

Common Questions