The PI Engineering Y-mouse Dual Mouse Port Adapter is a clever and highly functional device designed to overcome limitations of computer ports, specifically for connecting multiple pointing devices. While there are variations (PS/2 to PS/2, PS/2 to USB), the core purpose remains the same: to allow two PS/2-style input devices to be connected to a single computer port simultaneously.
Technical Specification
1. Functionality:
- Core Purpose: Allows two PS/2-style input devices to be connected and operate simultaneously on a single computer port.
- Simultaneous Operation: Internal microprocessor actively combines and transmits signals from both connected devices, allowing independent or combined use.
- Hot Pluggable: Devices can be connected/disconnected without system shutdown.
2. Input/Output Connections:
- Input Devices Supported: Two standard PS/2-type pointing devices (mice, trackballs, glide pads, KVM outputs). Some USB versions also support PS/2 keyboards.
- Adapter Connectors:
- To Input Devices: Two 6-pin mini-DIN (PS/2) female sockets.
- To Computer:
- PS/2 Version: One 6-pin mini-DIN (PS/2) male plug.
- USB Version: One USB “A” male plug.
3. Electrical:
- Power Source: Directly from the computer’s port (PS/2 port for PS/2 version, USB bus for USB version).
- Nominal Voltage: 5 VDC.
- Power Consumption:
- PS/2 Version: Less than 15 mA @ 5 VDC with two mice.
- USB Version: Low power USB device; less than 5 mA @ 5 VDC plus the power required by the connected mouse and keyboard. (Note: PS/2 keyboards can draw between 30 and 175 mA each).
4. Compatibility:
- Operating Systems: All systems compatible with PS/2 mice and/or USB Human Interface Device (HID) drivers. This includes:
- Windows (98, Me, 2000, XP, Vista, 7, 8, 10, 11)
- macOS (OS 9, OS X and later)
- Linux
- Unix
- Android (for USB version)
- Drivers: Uses default, built-in HID drivers of the operating system; no special software or driver installation required.
5. Physical:
- Dimensions (without cord): Approximately 4″ x 2.5″ x 0.75″ (100 mm x 63 mm x 20 mm).
- Weight: Approximately 2 oz (60 grams).
- Cable Length (if applicable): Typically around 5″ (12.7 cm) for the “tail” connecting to the computer.
- Form Factor: Y-shaped or block-shaped adapter.
6. Certifications & Compliance:
- Regulatory Approvals: FCC Class B, CE.
- Environmental: RoHS compliant (Restriction of Hazardous Substances).
7. Internal Processing:
- Microprocessor: Contains an internal microprocessor to intelligently interpret, combine, and transmit signals.
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