APC Smart-UPS On-Line, 1050 Watts / 1500 VA,Input 120V / Output 120V, Interface Port DB-9 RS-232, Smart-Slot, USB, Rack Height 2 U SURTA1500RMXL User Manual

b. Select the COM port that is connected to the UPS. The port settings are:

• Bits per second - 2400
• data - bits 8
• parity - none
• stop bit - 1
• flow control - none

c. Press Enter.

4. Once the terminal window is open, follow these steps to set the number of external battery packs 

(SURTA48XLBP or SURTA48XLBPJ):
a. Press Enter to initiate terminal mode. Follow the prompts.
b. Press 1 to modify UPS settings. Press e (or E) to modify the number of battery packs. 
c. Enter the number of battery packs, including the internal battery module (Number of packs: 1 = 

internal battery module, 2 = one SURTA48XLBP or SURTA48XLBPJ, 3 = two 
SURTA48XLBP or SURTA48XLBPJ, etc.)

d. Press Enter.
e. Follow the prompts.

5. Exit the terminal program.

On Line

The UPS is supplying utility power to the connected equipment.

On Battery

The UPS is supplying battery power to the connected equipment.

85% 
68% 
51% 
34% 
17% 

96% 
72% 
48% 
24% 
0%