
CS40-734834-00D-A0 Product Manual
April 2020, Rev A
WESTELL.COM
© 2019 Westell Technologies
April 2020; Doc No. CS14702802UM rD
1.877.844.4274
Page 41 of 52
5.9 Connecting the Battery Back-up Cable
Use the provided DC Power Cable to connect the Public Safety Signal Booster to a 24-30VDC Battery
Back-up / power source. (Pin A, White = positive, Pin B, Black = Negative)
Figure 5-10: Battery Cable Connected to Signal Booster
Warning: Do NOT use DC Power Supply instead of Battery
5.10 BBU Specification
Battery Model
Pulse Cranking Amps
CCA rating at -18
°
C (0
°
F)
Capacity – 20HR rate
NSB-AGM31
2150 A
1150 A
103 Ah
Internal resistance
Short Circuit Current
Q’ty Batteries of BBU
Reserve Capcity
2.2 mΩ @25
°
C
5000 A
2
220 min