358i Backpack Cabinet

The 358i Backpack Cabinet is the smallest cabinet in SWARCO McCain’s revolutionary ATC Cabinet Series which combines the best of rack mount and serial-based designs to meet the needs of today’s LED intersections. The cabinet's unique design features include a combo input/output (I/O) assembly that offers unrivaled configuration flexibility and swing-out assemblies that provide easy access to field wires at the rear of the cabinet. Small but mighty, the lightweight 358i Backpack Cabinet can easily be pole or pedestal mounted making it ideal for central business districts, school zones, and downtown areas. With the most sold in the industry, our proven ATC Cabinets meet the needs of today’s smart cities and are ready for tomorrow’s challenges, including the future of connected and autonomous vehicles.


  • Manage up to 16 detector inputs and 8-channel outputs
  • Save time, space, and money
  • Beautify your city and free up more sidewalk space
  • Configure and reconfigure to your needs through unique combo I/O slot
  • Safeguard against accidental shock from inadvertent contact with high voltages
  • Comply with leading standards on electrical safety, including NEC and NFPA 70E
  • Boost driver safety with dark approach detection and continuous flasher monitoring
  • Connected vehicle ready

Standard Features

  • Field output termination assembly provides removable contact blocks for easy connections to field signal wires, sockets for flash transfer relays (FTRs), and flash program blocks (FPBs) for output channels
  • All channels are flashable and programmable
  • FPBs control and select the color (red, yellow, or dark) during flash
  • Hermetically sealed high-density FTR features an LED indicator to visually confirm relay is operational and contacts have transferred
  • Interior LED cabinet light
  • Model 2202 dual flasher/switch pack combination
  • Exterior is continuously welded


  • Combo I/O assembly with:
  • 2 fixed input slots (4 inputs per detection module)
  • 2 fixed output slots (2 channels, 6 outputs per switchpack)
  • 2 universal slots for either detection modules or switchpacks
  • 2 or 4-channel industry standard detection modules
  • Uses industry standard input components (i.e. loop amplifiers, PPB, EVP, etc.)
  • 32-channel CMU
  • CMU auxiliary display unit
  • Model PS-2217 cabinet power supply
  • Service assembly with clean AC and DC power
  • Police panel with On/Off, MCE, Auto/Flash, and Interval Advance push button cable

General Specifications

Dimensions Standard: 25” H x 16” W x 17” D
Stretch: 30” H x 16” W x 17” D
Material 5052-H32 aluminum, 0.125” thick
Finish Natural, anodized, or powder coated with optional anti-graffiti coating
Door Front (1), full size
Handles T-handle lock with optional padlock feature
Mounting Pole or pedestal mounted
Weight 52 lbs without plug-ins or controller