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Alpha Technologies Inc.
Phone: 360 647 2360
Email: alpha@alpha.com
ProductsCable / BroadbandBusiness Services PowerEnclosuresPMR and GMR Series
FlexNet PMR and GMR Series
PMR and GMR Series
  • Supports field deployment of FTTx Optical Line Terminals (OLT)
  • FlexNet™ 300W UPS provides over 10hrs of runtime
  • Thermostatically controlled 48 or 120Vdc fan and heater options
  • Adjustable 19" EIA equipment racks
  • All aluminum construction, durable powdercoat exterior


The FlexNet PMR and GMR series is comprised of two sizes of pole mount and two sizes of ground mount factory configured and regulatory certified rainproof enclosure systems. PMR and GMR are highly configurable systems including 19-inch adjustable or pullout swing racks, AC service entrance and distribution, surge suppression, fiber management, power bypass cabling, FiberUPS DC power supply, DC distribution, 50AH AlphaCell™ batteries and environmentally protected space for customer supplied equipment including optical line terminals, routers and switches.
FlexNet PMR and GMR Series
Mechanical Specifications
ModelsPMR-S1GMR-S1PMR-S2GMR-S2
Dimensions H x W x D (in/mm):32.2 x 26 x 19.25 / 818 x 660 x 48931 x 27.5 x 20 / 787 x 699 x 50837 x 30 x 19.25 / 940 x 762 x 48938 x 31 x 20 / 965 x 787 x 508
Weight (lb/kg):40 / 1849 / 2247 / 2163 / 29
Material:Powdercoated aluminum
Vent Screen:Mesh fabric with .005 x .005in (.12 x .12mm) opening size to minimize snow, water and dust ingress
Door and Lid Seal:Poron gasketing
Color:Gray or white (Custom colors available)
Tamper Switch:Optional
Grounding Specifications
Internal Ground Bar:Five usable lugs
Safety Ground:Adjacent to AC outlets (Optional stainless steel ground stud)
Lid:Removable (PMR Series includes lanyard)
Door (s)
PMR Series:Galvanized steel brackets for wood, and concrete pole mount and wall mount
GMR Series:Precast polymer concrete pad or PS-6/PS-6XL pedestal systems
Enclosure Mounting
PMR SeriesGalvanized steel brackets for wood, and concrete Pole Mount and wall mount
GMR SeriesPrecast polymer concrete pad or PS-6/PS-6XL pedestal systems
Thermal Management
Cooling:120Vac and 48Vdc fan options
Heating:120Vac and 48Vdc heater options
Internal Mounting Rails
Rack Mounting:EIA 19" mounting rails using Tinnerman mounting clips
Grounding:Rails grounded to chassis
Adjustment:1" increments over 6" when batteries are not installed
Enclosure Environmental Rating
Equipment Mounting Area:Designed to IP X5 per IEC 529
Dust Ingress controlled by screen opening
IP X5 applies to the equipment mounting area
The service entrance is rated 3R
Fiber Management Options
Fiber Strain Relief Tie Bar Optional:19" mounting provides ability to strain relief fiber cable plugged into the front of communications equipment
Splice Tray:Splice Tray Kit (12 count), includes Splice tray with Elastomer Splice Block, Felt Tape, Tie Wraps, Cover and Recording Label
Fiber Management Panel:Provides fiber slack storage and secures a splice tray using a Velcro strap. Tie wrap slots on sides permit securing fiber cables to panel
Power Supply and Batteries
Model:FlexNet 300- 300W 48Vdc output with 48Vdc battery bus with 19" reversible mounting bracket options
Batteries:48Vdc string of 85 GXL (50AH) positioned on ends (negative terminal side down) with battery retaining bar option
Battery Cable Kit:Fused
Battery Heater:Optional
AC Service:External 70A rainproof SUSE rated breaker box with internal 120Vac 20A receptacles
Regulatory:CSA
Shown with FTTX actives installed, 19 inch swing rack. 50AH AlphaCell batteries, AC and DC distribution, Fiber management and 300W power supply
Shown with FTTX actives installed, 19 inch swing rack.
50AH AlphaCell batteries, AC and DC distribution,
Fiber management and 300W power supply
Document Downloads
Title Type Version Date
PMR and GMR Series Datasheet - English (LTR) Datasheet 049-236-10-007 April 1, 2008
PMR and GMR Series Datasheet - English (A4) Datasheet 049-236-11-004 April 1, 2008
PMR/GMR Series Installation and Operation Manual Manual 031-239-C0-003 Rev. C March 1, 2006