Remote Broadband Cabinet 52BU (RBC52BU) 500-Line
The Tellabs Remote Broadband Cabinet 52BU (RBC52BU) 500-line enclosure incorporates the latest environmentally controlled design technology to meet broadband demands for hardened outside plant cabinets.

Features and Benefits

  • Separate vented battery compartment and battery back-up options
  • Standard surge protection
  • Copper line protection in separate compartment (non-cross-connect configurations)
  • Hex key lock (padlockable for additional security)
  • Telcordia compliant design cabinet is expandable from three shelves to four
  • Fiber splice and distribution options
  • -48 VDC powered cooling fans

Included Highlights

Extend Connectivity

The Tellabs 52BU Remote Broadband Cabinet is an outside plant enclosure supporting Tellabs 1000 Multiservice Access (MSAP) Channel Bank Assemblies (CBAs) with fan shelves, protector panels, charge/rectifier and batteries. The Tellabs 52BU cabinet enables service providers to cost-effectively deploy high densities of broadband services, such as ADSL and VDSL.

Optimize Thermals

The Tellabs 52BU incorporates the latest environmentally controlled design technology to meet broadband demands for hardened outside plant cabinets. It has been tested to GR-487 CORE and has a documented level of performance with respect to noise level, salt fog, transportation, dust and water intrusion. It can support up to four Tellabs 1000 (MSAP) CBAs with fan shelves, protector panels, batteries, and a charge/rectifier.

Converge Services

Like all Tellabs cabinets, the Tellabs 52BU supports POTS, ISDN, special services, T-1, xDSL, Ethernet and fiber. The cabinet can be deployed in any network topology (point-to-point, star, tree), including integrated (GR-303, TR-08) and universal configurations (TR-57).

Easy Access

Front, rear and side doors are equipped with key locks and padlock tabs. The side door provides controlled access to the protector panels. With a total capacity of 500 lines, the Tellabs 52BU is designed for POTS or heavy broadband installations requiring optimal xDSL service card capacity.


  • Finish: smooth almond, no texture, powder coated
  • Cabinet mounting: pad only
  • Battery heater pads
  • -48 VDC powered cooling fans
  • Variable speed heat exchanger fans on at 15° C (59° F), max speed at 65° C (149° F)
  • Variable speed fan tray assemblies on at 10° C (50° F), max speed at 65° C (149° F)
  • AC Input: 32 A max, 240 VAC
  • DC Power: GE CPS6000 Systems
  • Generator connectors: 30 Amp NEMA
  • Standard surge protection
  • Pad layout: 90" (W) x 68" (D)
  • Optional pour and place pad template
  • Protector panels installed in electronic compartment
  • 710 connectors
  • Alarms generated: Rectifier fail, intrusion (door open), AC power fail and fan fail
  • FCC Part 15, Subpart B
  • Telcordia GR-487-CORE, Issue 3
  • Weight: 825 lb (without batteries or plug-in cards):
  • Depth: 26.3 in:
  • Width: 46 in:
  • Height: 75 in:
Product Specifications Sheet

Remote Broadband Cabinet 52BU (RBC52BU) 500-Line
Product Specifications
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