Cambium PTP 670 Series, User Manual

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Chapter 2: System hardware Power supply units (PSU)
Page 2-20
Category Specification
DC Output current 1.7A
Efficiency Better than 84%
Over Current Protection Hiccup current limiting, trip point set between 120% to
150% of full load current
Hold up time At least 20 milliseconds
Power factor Better than 0.9
Table 19 CMM5 Power and Sync Injector 56 Volts specifications
Category Specification
Dimensions 225mm (8.85 in) × 400mm (15.75 in) × 42mm (1.65 in)
Weight 3 kg (6.6 lbs)
Temperature -40°C (-40°F) to +55°C (131°F)
Humidity 0 to 90% non-condensing
Waterproofing Not waterproof
Input Voltage ± 48 V DC
Input Power 400 W maximum
Output Voltage ± 55 V DC
Output Current 0–1.8 A per channel
Output Power 0–90 W per channel
Power Interface Terminals Two power input ports for 48 V DC Power
Data Interfaces Four RJ45 Gigabit Powered output ports “To Radios”
Four RJ45 Gigabit Data input ports “To Switch Array”
One GPS timing port (RJ-12)
One CMM5 USB Serial port for local administration
One RJ12 Daisy Chain port “IN”
One RJ12 Daisy Chain port “OUT”
Surge Suppresion Lightning Suppression for each “To Radios” RJ45 Port
Max cable length from
managed radios 100 m (328 ft)
Max cable length to GPS
Antenna 30.5 m (100 ft)