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DualMode Metrocell Cell Site Specifications
7-3
DMS-MTX DualMode Metrocell Cell Site Description
DC Power Requirements
Grounding As specified in Northern Telecom’s
NTP-297-1001-156
Voltage Nominal +27.0 Vdc
±
0.5 Vdc
Range +21.0 Vdc to 29.0 Vdc
Ripple 400 millivolts
Spurious 0.005 - 10 MHz < -55 dBm @ 0.3 to 3.4 kHz
Noise < 32 dBrnC (600 ohms bridged)
Voltage stability
±
1% of pre-set voltage @ 0-100% load
Voltage response < 600 ms for a step of 10-70% load
Voltage over/under shoot < 20% of pre-set voltage for a step of
10-70% load
Power Distribution Requirements
Channel/Frames Current Breakers
Mechanical
Rack dimension Height 84" (213.4 cm)
Width 22" (56 cm)
Depth 24" (61 cm), including cables and
excluding unit handles
Clearance and Access Ceiling 8 feet (7.5 feet. after cable tray
installation
Front aisle 3 feet
Rear aisle 2 feet
Building access door are required to be a
minimum of 30 inches wide
Weight CE frame 400 lb. @ 80 lb./sq. ft.
RF Frame 950 lb. @ 115 lb./sq. ft.