User's Manual
Ripwave Base Station I&C Guide Navini Networks, Inc.
220 Part #40-00047-00 Rev D v1.0
February 28, 2003
Input Specifications
The information in Table N1 shows the input required for the Ripwave BTS backup unit.
Table N1: Input Specifications
Input Voltage:
180 to 265 VAC
(Optional) Input Voltage:
92-125 VAC
Frequency:
47 to 63 Hz
Input Circuit Protection:
Circuit Breaker
Surge Voltage/Current:
6 kV / 3 kA
Connection:
4 wire – 220V, 3 wire – 110V
Output Specifications
In Table N2 are the output specifications for the Ripwave BTS backup unit.
Table N2: Output Specifications
Nominal Rectifier DC Voltage:
+27.2V +/- 2% (grounded negative pole)
Permitted Output Voltage Range:
+22V ~ +28V (battery backup range: +21.0V ~ +27V)
Shutoff Voltage:
At 21V
Load:
10% to maximum load
Recharge Maximum Battery
Voltage:
+27.6V
Dynamic Load Response Time:
<5% - overshoot/undershoot for 10% to 90% load step
in 50 uS.
Ripple & Noise:
Psophometric voltage: less than 2mV rms
10Hz ~ 14MHz: less than 250mVp-p
10Hz ~ 10MHz: less than 50mV rms
Wideband ripple and noise 1% of output voltage
Stability of Output Voltage:
Line regulation: +/- 0.2%
Load regulation: +/- 0.5%
Output Circuit Breakers:
Each rectifier module requires input and output
overload protection