▣
VGA Display Chip
On-board VGA chip tuned for COB-21C6 delivers stable high-definition display output.
I-FUNCTION · DISPLAY EXPANSION
EXB-D2138
EXB-D2138
VGA + Multi-Serial Control Expansion Board
High-performance VGA display control board with 1x VGA, 4x USB and 3 serial ports (1x RS-485 + 2x RS-232), tuned for COB-21C6 and ready for wide-range power.
1x VGA Output
1×RS-485 + 2×RS-232
4×USB
Wide-Input Ready
L200 Profile
PRODUCT HIGHLIGHTS
EXB-D2138 Key Features
⟷
Multi-Serial Communication
1x RS-485 + 2x RS-232 connect simultaneously to PLCs, smart meters, barcode scanners and other industrial devices.
🔌
4x USB Expansion
Four USB ports connect keyboards, mice, USB drives, USB cameras, USB-CAN converters and other peripherals.
🛡
HPD Hot-Plug Protection
Hot-plug detection for display devices enables on-site maintenance without shutdown or reboot.
📶
Signal Integrity Tuning
A revised filtering circuit design improves signal stability and reduces the impact of electromagnetic interference on communication.
⚡
Wide-Input Provision
Optional wide-range input design operates across 9-36V for vehicle and battery-powered applications.
SPECIFICATIONS
Detailed Specifications
Complete EXB-D2138 technical specifications, organized by category for easy on-site selection and design integration.
Display Interfaces
- VGA Output
- 1x VGA
- EDID Mode
- Fixed EDID
- HPD Hot-Plug
- Supported
Communication Interfaces
- Serial Ports
- 1x RS-485 + 2x RS-232
- USB
- 4× USB
Power
- Power Connector
- 24V / 5A · 3P Phoenix terminal
- Wide Input (optional)
- 9~36V
Mechanical & Environment
- Dimensions
- 63 × 117 mm
- Mounting
- 4x Φ3.0 through-holes
- Operating Temperature
- -10°C ~ +60°C
- Storage Temperature
- -20°C ~ +70°C
COMPATIBILITY
Compatible Mainboards & Chassis Profiles
Compatible Mainboards
CES-1601CES-1901
Compatible Chassis Profiles
L200
Compatible COB Modules
COB-21C6
START A PROJECT
Need an EXB-D2138 sample or custom build?
Tell us your project mainboard platform, chassis profile, and interface requirements, and our engineers will reply within 24 hours with a complete solution and sample evaluation.