Advantech BB-31D1-28100 Serial Port Adapter RS-232
The BB-31D1-28100 serial port adapter is engineered for industrial environments requiring reliable RS-232 connectivity between legacy and modern equipment. This null modem adapter solves cross-platform serial communication challenges, making it ideal for manufacturing facilities, control systems, and data acquisition applications where DTE device interconnection is critical. Originally designed by B+B SmartWorx and now supported through Advantech, this compact DB9 adapter delivers proven performance in demanding industrial settings.
Key Features
- Null modem/gender changer configuration for DTE-to-DTE serial connections
- DB9 mini plug-plug 9-position interface design
- Compact form factor suitable for tight industrial installations
- RS-232 standard compliance for legacy system compatibility
- Reliable signal routing for data terminal equipment applications
- Proven B+B SmartWorx engineering backed by Advantech support
Technical Specifications
| Specification |
Details |
| Manufacturer |
B+B SmartWorx (Advantech) |
| Part Number |
BB-31D1-28100 |
| Adapter Type |
Null Modem / Gender Changer |
| Interface Standard |
RS-232 |
| Connector Type |
DB9 (9-position) |
| Configuration |
Plug-to-Plug |
| Application |
Industrial Serial Connectivity |
| Device Compatibility |
Data Terminal Equipment (DTE) |
Frequently Asked Questions
What is a null modem adapter used for?
A null modem adapter like the BB-31D1-28100 enables direct connection between two DTE devices (computers, terminals, or industrial controllers) by swapping transmit and receive lines. This eliminates the need for a DCE (modem) intermediary, making it essential for legacy system integration and industrial serial communications.
Is the BB-31D1-28100 compatible with modern systems?
Yes, the RS-232 serial port adapter maintains full compatibility with any system featuring a standard DB9 serial port. While modern computers often lack native serial ports, this adapter works seamlessly with USB-to-serial converters, making it a bridge solution for connecting vintage industrial equipment to contemporary networks.
Can this DB9 adapter work in industrial environments?
Absolutely. The BB-31D1-28100 is specifically designed for industrial applications requiring robust serial connectivity. Its compact plug-plug configuration and proven B+B SmartWorx design make it reliable in manufacturing, SCADA systems, and control applications where data integrity is non-negotiable.
What makes this better than generic serial adapters?
The Advantech BB-31D1-28100 combines B+B SmartWorx engineering excellence with Advantech's industrial support infrastructure. This ensures consistent signal integrity, proper null modem pin configuration, and long-term availability—critical factors for mission-critical industrial serial communications.
