Specifications
- SKU Code
- FAST-R4T-120
- Brand
- JACKFUSE
Description
The FAST-R4T-120 is a JackFuse 4-way quick connect terminator designed for RS485 and OSDP data lines. Featuring an integrated 120Ω termination resistor, it provides a fast and reliable way to properly terminate bus wiring and prevent signal reflection issues on security networks such as HID and Gallagher yellow bus systems.
- Integrated 120Ω Terminator: Provides correct RS485/OSDP line termination for stable and reliable data communication.
- 4-Way Quick Connect: Allows multiple conductors to be terminated quickly without soldering, crimping or screw terminals.
- Ideal for HID & Gallagher: Designed to suit HID and Gallagher yellow bus RS485 wiring standards.
- Secure Spring-Clamp Terminals: Ensures strong, vibration-resistant connections for long-term system reliability.
- Colour-Coded Terminals: Simplifies wiring and reduces installation errors.
- Tool-Free Installation: Strip, insert and connect—no specialist tools required.
- Supports Solid & Stranded Conductors: Compatible with common access control and security cable types.
- Compact Form Factor: Fits neatly inside wall cavities, ducting, back boxes and door frames.
The FAST-R4T-120 provides a clean, fast and foolproof method of terminating RS485/OSDP data lines, ensuring optimal signal integrity across modern access control and security bus networks.
JACK FUSE 4-WAY QUICK CONNECT TERMINATOR FOR RS485/OSDP - 120Ω
Specifications
- SKU Code
- FAST-R4T-120
- Brand
- JACKFUSE
*GSA makes every effort to source accurate and detailed product descriptions and technical information from our trusted manufacturers. We also utilise AI to assist in curating this information. However, from time to time, inconsistencies or errors may occur. For the most accurate product specifications, please refer to the official product data sheets provided. If you spot an error, let us know so we can correct it.
Description
The FAST-R4T-120 is a JackFuse 4-way quick connect terminator designed for RS485 and OSDP data lines. Featuring an integrated 120Ω termination resistor, it provides a fast and reliable way to properly terminate bus wiring and prevent signal reflection issues on security networks such as HID and Gallagher yellow bus systems.
- Integrated 120Ω Terminator: Provides correct RS485/OSDP line termination for stable and reliable data communication.
- 4-Way Quick Connect: Allows multiple conductors to be terminated quickly without soldering, crimping or screw terminals.
- Ideal for HID & Gallagher: Designed to suit HID and Gallagher yellow bus RS485 wiring standards.
- Secure Spring-Clamp Terminals: Ensures strong, vibration-resistant connections for long-term system reliability.
- Colour-Coded Terminals: Simplifies wiring and reduces installation errors.
- Tool-Free Installation: Strip, insert and connect—no specialist tools required.
- Supports Solid & Stranded Conductors: Compatible with common access control and security cable types.
- Compact Form Factor: Fits neatly inside wall cavities, ducting, back boxes and door frames.
The FAST-R4T-120 provides a clean, fast and foolproof method of terminating RS485/OSDP data lines, ensuring optimal signal integrity across modern access control and security bus networks.

