- Basic version of the RSF 123, false faceplates not included
- Holds up to four quarter-rack width, or eight eighth-rack width Extron products side by side
- Underside of products mount to the shelf using the included hardware
The Extron RSB 123 Basic Rack Shelf for 3.5" Deep Products is a basic version of the Extron Rack Shelf. Like the RSF 123 Rack Shelf Kit, the Basic Rack Shelf holds up to four quarter-rack width, 1U high, Extron products side by side. The shelf is 3.5" (8.89 cm) deep and is designed so the underside of products mount to the shelf using the included hardware.