Motorola SG 2000 用户手册
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5 - 4 O p e r a t i o n
SG 20 00 Ins tal la tion and O pera tion M anua l
A Override
The SG2-LIDB overrides the status monitor or manual control board signal and activates receiver A
as illustrated in Figure 5-5:
as illustrated in Figure 5-5:
F i g u r e 5 - 5
A o v e r r i d e
A o v e r r i d e
Status monitor
signal
Receiver enable
logic
JP2
+5V
Status Monitor/Manual Control Operation
The SG2-LIDB enables the status monitor or manual control board to activate receiver A or receiver
B as illustrated in Figure 5-6:
B as illustrated in Figure 5-6:
F i g u r e 5 - 6
St a t u s m o n i t o r / M C B o p e r a t i o n
St a t u s m o n i t o r / M C B o p e r a t i o n
Status monitor
signal
Receiver enable
logic
JP2
+5V