Varian VJW1454R1 01014548-00 Remote Control Channel Select Assembly 19" 2U

Varian VJW1454R1 01014548-00 Remote Control Channel Select Assembly 19" 2U

The Varian VJW1454R1 is a 19-inch 2U rackmount Remote Control Channel Select Assembly manufactured by Varian Microwave Equipment Products of Santa Clara, California. It provides centralized remote channel and communications path selection for satellite ground station equipment, specifically for controlling High Power Amplifier (HPA) system switching and communications routing from a rack-mounted control point. The front panel features two independent seven-segment LED numeric displays — labeled CHANNEL and SELECT — along with a bank of five pushbuttons (UP, DOWN, SEL, LAMP TEST, CONT MODE) and status LEDs for LOC, REM, AUX, PWR FAIL, and CABLE states.

Specifications & What's Included

• Manufacturer: Varian Microwave Equipment Products, Santa Clara, California
• Model: VJW1454R1
• Part Number: 01014548-00
• Description (label): REMOTE CTRL CHNL SEL ASSY
• Form Factor: 19" rackmount, 2U
• Power Input: 115 VAC, 100 VA (IEC inlet, J1)
• Front Panel Displays: Dual 7-segment red LED — CHANNEL display and SELECT display
• Front Panel Indicators: PWR FAIL, CABLE, LOC, REM, AUX status LEDs
• Front Panel Controls: UP, DOWN, SEL, LAMP TEST, CONT MODE pushbuttons
• Front Panel Labels: STS HPA (sections 2 and 9 visible), R1B 7, COMM.1/3
• Rear Connectors: J1 — IEC AC power inlet; J2 — DB25 (blue); J3 — DB25 (red)
• Interior: Main logic PCB with ribbon cable interconnects; red backplane board; internal power section with high-voltage caution labeling
• Country of Manufacture: United States
• Included: Unit only — no cables or accessories

Applications

The Varian VJW1454R1 is a satellite ground station control unit designed for use in HPA (High Power Amplifier) switching and redundancy systems. In a typical earth station or teleport installation, multiple HPAs are installed in a rack system with a waveguide or coaxial switch matrix; a remote control channel select assembly like this one serves as the operator interface and logic controller for selecting which HPA is active on which transmission path, and for monitoring communication status (LOC/REM/AUX modes) across the system. The dual-display layout — one for CHANNEL, one for SELECT — allows an operator to independently track and command the channel assignment and the comm routing path simultaneously. Varian Microwave Equipment Products was a well-known division of Varian Associates, a major supplier of microwave tubes, traveling-wave tube amplifiers (TWTAs), and associated satellite ground station control equipment from the 1970s through the 1990s. Equipment of this type was widely deployed at commercial teleports, military satellite communication facilities, and broadcast uplink sites during that era. Replacement parts and control assemblies for legacy Varian HPA systems remain in demand for maintaining operational ground stations that continue to run original Varian TWTA hardware.