SP-5B90
A: Auxiliary output/ Speaker output interface (AUX)
This interface is alarm output or buzzer output, and sound output.
B: Status LED*1
C: Card access LED*1
D: USB (mini-B) interface*2
E: Expansion unit interface cover (EXT)*3
The expansion unit can be embedded in the expansion unit interface cover opening, and battery for memory backup can be connected or replaced.
F: Storage card cover
G: System card cover
You cannot open this cover when the Box Module is in operation.
H: USB (Type A) interface*2
I: Ethernet interface (Ethernet1)*2
J: Ethernet interface (Ethernet2)*2
K: Serial interface (COM1)*2
L: Serial interface (COM2)*2
M: Display Module interface
*1 Refer to LED Indications
*2 Refer to Interface Specifications
*3 Refer to Replacing the Primary Battery