All products names and registered and unregistered trademarks mentioned are for identification purposes only and remain the exclusive property of their respective owners. Please see our disclaimer information.
Copyright © 1999 - 2024 Papyrus Computer Technologies Ltd. All rights reserved, Last updates of pages or web March 25, 2024 Best View Microsoft Edge, I.E 5.0 or later, Google Chrome, Mozilla Firefox 1024x768 Screen Mode
The VSCOM USB-4485-M is an industrial-grade USB to 4-Port RS-485 Adapter designed to add four high speed Half-Duplex RS-485 communication ports to your Server or PC. Connecting to a USB port on your PC or USB hub, this USB to 4-Port RS-485 Adapter instantly adds four high speed RS-485 communication ports to your system with easy plug-and-play and hot-swapping features
Features :
- Adds four high speed half-duplex RS-485 serial ports via USB connection
- USB 2.0 interface supports high speed 480 Mbps
- Built-in 15KV ESD protection for each RS-485 port
- 600W surge protection on all RS-485 bus
- Compact palm-size SECC metal box with DIN rail brackets
- Supports two operation modes: RS-485 half-duplex echo and non-echo mode
- Installs as standard Windows® COM port
- RS-485 2-wire signals: Data+, Data-, GND
- COM port number can be changed to any available COM port number
- Auto transmit buffer control for 2-wire RS-485 half-duplex operation
- Provides failure warning when reverse connection or incorrect signals detected
- Failed RS-485 port easily detected and located
- Each RS-485 port with 2K byte receive buffer and 2K byte transmit buffer
- Requires no IRQ, DMA, I/O port
- Data rates: 300 bps to 921.6K bps. Non-standard baud rates supported.
- Biasing resistor for RS-485: 1K ohm
- Termination resistor: 120 ohm
- RS-485 Connector: two 6-pin terminal block
- RS-485 termination installed on-board, enabled or disabled by jumper
- Four dual color monitor LEDs indicating operation modes, port status, activity and error
- Supports two power output of +5VDC, 100mA, through Pin-1 (VCC) of terminal block, for external devices requiring power
- External 4-pin DIP switch for easy setting of RS-485 echo/non-echo operation modes
- Includes 12VDC power adapter with locking screw terminal power jack for reliable connection
- USB cable of 90 cm (3 ft) locked to the metal case for added security
- Two mounting holes on the bottom of metal case for optional DIN rail mounting adapter for alternative mounting onto DIN rail
- work with USB 1.1, 2.0 and 3.0 host or USB hub
- Supports Windows 8.1 (WHQL Certified), 7, Server 2008, 2003, Vista, XP, 2000, Linux, Mac OS X
Specifications:
- Serial Interface
- Input: (upstream) 1 RS-232 channel: Data+, Data-; or 1 RS-485 channel: TxD, RxD, GND Output: (downstream) 4 RS-485 channels: Data+, Data-
- Number of Ports: 4
- RS-485 ports Connectors 6-pin terminal block for upstream, 10-pin terminal block for downstream
- Serial Interface
- Input (upstream) 1 RS-232 channel: Data+, Data-; or 1 RS-485 channel: TxD, RxD, GND Output: (downstream) 4 RS-485 channels: Data+, Data-
- Number of Ports: 4 RS-485 ports
- Connectors: 6-pin terminal block for upstream, 10-pin terminal block for downstream
- Serial Line Protection
- ESD Protection: 15KV
- Optical Isolation 3000V DC on CH1 to CH4, 2-way isolation
- Serial Port Speed: Baud rate 300 bps to 230400 bps
- Serial Communication Parameters
- Data Bits: 5, 6, 7, 8
- Stop Bits 1, 1.5, 2
- Parity None, Even, Odd, Space, Mark
- Flow Control: RTS/CTS, XON/XOFF
- Serial Signals
- RS-485-2 wire
- Data- (A), Data+ (B), GND
Automatic RS-485 transmit and receive control - Driver Support OS - No driver installation required, Works in all types of operation systems
- Power Supply:
- Input: Self-powered
Power adapter of 12 VDC, 2A.terminal type with screws, Range of AC or DC input from +9 VDC to +48 VDC - Mechanical: Chassis SECC metal chassis with DIN rail bracket
- Environmental
- Operating Temperature: 0 to 55 °C (32 to 131 °F)
- Operating Humidity: 5 to 95% RH
- Storage Temperature: -20 to 75 °C (-4 to 167 °F)
- Safety Approvals: CE, CISPR PUB. 22 and FCC Part 15 Class B.
4-Port Half-Duplex RS-485 USB-to-Serial Adapter with Power Output, Error Detection, Terminal Block, Compact Metal Case with DIN Rail Brackets
Model: USB-4485-M
