ID-EGP2-X203
Module Type: M.2 2242 to dual RS-232 Module; Function: Serial

- PCI Express base spec 1.1 compliant
- 4800bps to 921.6Kbps serial data rate
- Compatible with 16C550/16C650/16C750/16C850 & 16C950, 128-byte FIFOs
- Alternative vertical or horizontal connector
- Full RS-232 functions with DB9 connector
- Complies with EN61000-4-2 (ESD) Air-15kV, Contact-8kV
- Industrial temperature -40 ºC to 85 ºC
- 30μ” golden finger
Model Name | EGP2-X203 |
Module Type | M.2 2242 to Dual RS-232 Module |
Form Factor | M.2 2242 B+M Key |
Function | Serial |
Input I/F | PCI Express 1.1 x1 |
Output I/F | RS-232 |
Output Port | 2 |
Output Connector | DB-9 |
Max. Power Consumption | 1.55W (3.3V x 472mA) |
Dimension (W x L x H/mm) | Vertical : 22 x 42 x 6.83 Horizontal : 22 x 42 x 7.93 |
Temperature | Operation : W/T -40°C ~ 85°C (Ta) Storage : -55°C ~ 95°C (Ta) |
Vibration | 5G@[7~2000Hz] |
Shock | 50G@0.5ms |
OS Support | Windows : 7 (32 / 64bit), 10 (32 / 64bit), and above version Linux : Kernel 2.6.38 and above |
EGP2-X203 is an M.2 2242 module that provides two RS-232 ports, enabling seamless connectivity with a wide range of legacy and industrial devices. It is compliant with the PCI Express Base Specification 1.1 and supports serial data rates from 4800bps to 921. Designed for industrial applications, it supports a temperature range of -40°C to 85°C, includes a 30μ” golden finger.
Ordering Information
P/N | Description |
EGP2-X203-W1 | M.2 2242 to Dual RS-232 Module, Vertical Connector / Wide Temperature |
EGP2-X203-W2 | M.2 2242 to Dual RS-232 Module, Horizontal Connector / Wide Temperature |
ROBUST AND FLEXIBLE SERIAL SERIES CORE ADVANTAGES

Superior Isolation Protection
2.5 kV HiPOT isolation delivers robust protection for reliable data transmission in challenging environments

Software-Configurable Protocols
Easily switch between RS-232/422/485 modes through software without hardware modification

Versatile Form Factor Options
Multiple port configurations and form factors to ensure maximum flexibility for diverse application requirements

Enhanced ESD Protection
Exceptional electrostatic discharge protection with 15 kV air discharge and 8 kV contact discharge capabilities
Serial communication remains a vital method for reliable data exchange in industrial and embedded systems. Serial expansion cards provide robust connectivity, offering options for 2, 4, or 8 ports per card and supporting RS-232, RS-422, and RS-485 protocols via PCIe or USB interfaces.
Model Name | Form Factor | No. of Output Ports | RS-232 | RS-422/RS-485 | RS-232/RS-422/RS-485 | Isolation Voltage (2.5 kV) |
EGP2-X403 | M.2 2242 | 4 | Yes | |||
EGP2-X401 | M.2 2242 | 4 | Yes | |||
EGP2-X4S1 | M.2 2280 | 4 | Yes | Yes | ||
EMP2-X2S1 | mPCIe | 2 | Yes | Yes | ||
EMP2-X403 | mPCIe | 4 | Yes | |||
EMP2-X402 | mPCIe | 4 | Yes | |||
EMP2-X4S2 | mPCIe | 4 | Yes | Yes | ||
EMP2-X404 | mPCIe | 4 | Yes | |||
EMP2-X801 | mPCIe | 8 | Yes |