The SeaLINK 2402 USB serial I/O adapter provides four RS-422 or RS-485 serial ports for USB connectivity to legacy or non-USB compliant devices.
Sealevel's SeaCOM USB software drivers and utilities make installation and operation easy using Microsoft Windows and Linux operating systems. After installing the software, simply connect the 2402 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.
Do you know that adapter design can impact your application? Find out how in this USB Serial performance report.
Sealevel's SeaCOM USB software drivers and utilities make installation and operation easy using Microsoft Windows and Linux operating systems. After installing the software, simply connect the 2402 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.
Do you know that adapter design can impact your application? Find out how in this USB Serial performance report.
| Host Interface | USB |
|---|---|
| # of Ports | 4 |
| Brand/Family | SeaLINK |
| Electrical Interface | RS-422, RS-485 |
| USB Powered | Yes |
| High Retention USB | Yes |
| RoHS | Yes |
| Serial Connector(s) | DB9M |
| Communications Chip | USB/UART |
| Max Data Rate | 921.6K bps |
| Max Data Distance | 4000 feet |
| Power Requirement | +5V @ 500mA |
| USB Specification | 1.1 Compliant 2.0 Compatible |
| Operating Temperature | 0 - +70C |
| Storage Temperature | -50 - +105C |
| Humidity Range | 10 - 90% Relative Humidity, Non-Condensing |
| Dimensions | 7.1 (L) x 5.3 (W) x 1.5 (H) |
- • Compliant with RoHS and WEEE directives
- • Each port individually configurable for 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
- • Sealevel SeaCOM software supports Windows and Linux operating systems
- • DB-9M connectors
- • Includes 6' USB device cable (Item# CA179)
![]() Part#2402-TB4 SeaLINK+4/485 Kit
$259.00
|
![]() Part#CA127 DB9 Serial Extension Cable
$9.95
|
![]() Part#KT105 Terminal Block Kit
$28.95
|
![]() Part#RJ9S8 Modular Adapter
$3.95
|
![]() Part#HUB4 USB Hub
$39.95
|
![]() Part#HUB7 USB Hub
$49.95
|
![]() Part#DB103 DB9F to Opto 22 DB9F
$9.95
|
![]() Part#KT106 Terminal Block Kit
$43.95
|
![]() Part#CA176 RS-422 to RS-530 Cable
$9.95
|
![]() Part#CA177 DB9 to DB25 Serial Cable
$7.95
|
![]() Part#TB05 Terminal Block
$19.95
|
![]() Part#TB06 Terminal Block
$24.95
|
![]() Part#TB34 Terminal Block
$8.95
|


















