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USB to RS-232, RS-422, RS-485 DB9 Serial Interface Adapter: ELK-USB2403
Each port individually configurable for as RS-232, RS-422 or RS-485
High speed UART with 128-byte Tx FIFO and 384-byte Rx FIFO
Data rates to 921.6K bps
Automatic RS-485 enable/disable
Serial and USB activity LEDs
Hot-swappable
Powered by USB connection
DB-9M connectors
72” USB cable포함.
The ELK-USB2403 USB serial I/O adapter provides four RS-232/422/485 serial ports for USB connectivity to legacy or non-USB compliant devices. Each port is individually configurable for RS-232, RS-422, or RS-485. Simply install the included software and connect the ELK-USB2403 serial interface adapter to your USB port. The device is immediately recognized by the system. Now your non-USB peripherals can have the same connection simplicity and ease of use as USB aware peripherals.
Number of ports 4
Communications chip USB/UART
Max. data rate 921K bps
Max. data distance

up to 4,000 ft.
USB Specification 1.1 Compliant, 2.0 Compatible
Dimensions 7.1" (L) x 5.3" (W) x 1.5" (H)
Operating Temperature 0 - +70°C
Storage Temperature -50 - +105°C
Humidty range 10 - 90% R.H.
ELK-USB2403 USB to RS-232 / 422 / 485 DB9 Serial Interface Adapter
ELK-CA127 DB9 Male to DB9 Female 72" in Length
ELK-CA176 Convert any RS-422 DB9 Male Async Adapter to RS-530 DB25 Male
ELK-CA177 DB9 Female to DB25 Male 72" in Length Standard RS-232 Modem Cable
ELK-DB103 Converts DB9 Male RS-422 to Opto 22 Optomux Compatible DB9 Female
ELK-HUB4 High Speed USB 2.0 4-Port Hub
ELK-HUB7 High Speed USB 2.0 7-Port Hub
ELK-KT105 Terminal Block Kit - ELK-TB05 + ELK-CA127 Cable
ELK-KT106 Terminal Block Kit - ELK-TB06 + (2) ELK-CA127 Cables
ELK-TB06 Terminal Block - Dual DB9 Female to 18 Screw Terminals
ELK-TB05 Terminal Block - DB9 Female to 9 Screw Terminals
ELK-TB06 Terminal Block - Dual DB9 Female to 18 Screw Terminals
ELK-RJ9S8 DB9 Female to RJ45 Modular Adapter
All specifications within this document are subject to change without notice.