8. Appendix
MF0123A1F
_FCC
_uc
Manual for PSR 700/800 MHz
Page 59
8.
Appendix
8.1. BBU/UPS Requirements
1) In order to obtain a system that is compliant with UL 2524, the BBU/UPS must be
compliant with UL 2524 too.
2) Choose a BBU/UPS capacity that fits to the responsible AHJs (Authority Having
Jurisdiction) requirements. You can use this table for reference:
BBU capacity (48 VDC)
12 h
24 h
Single Band
31 Ah
61 Ah
Dual Band
40 Ah
80 Ah
UPS capacity (110 VAC)
12 h
24 h
Single Band
16 Ah
32 Ah
Dual Band
19 Ah
38 Ah
3) The BBU/UPS output voltage must be within the range of the specified input
voltage range of the BDA:
BBU DC operating range
-62 to -34 VDC
UPS
AC input rating
104 ~ 240 VAC
AC operating range
89 to 264 VAC
8.2. Illustrations
figure 8-1 External configuration
