Page 5-50
400 SERIES MAINTENANCE MANUAL
Rev. C
P/N 190-00140-05
2.
Measure at applicable pin. Load—Resistor to external voltage source such that it will source
275 mA when grounded.
Note: applicable output will sink this current when active
(18 ohms/2W when pulled up to 5V).
ACTIVE______ (0.3 VDC max)
INACTIVE ______ (NLT pull-up voltage at minus 0.2V )
5.7.6.21
OBI Serial Interface
For:
SIGNAL NAME
PIN
GPS OBI CLOCK
(J1-43)
GPS OBI DATA
(J1-44)
GPS OBI SYNC
(J1-45)
1.
Use the Main Discrete Outputs Test Page to monitor the following test (Figure 5-10).
2.
Measure at applicable pin. Load: Resistor to external voltage source such that it will source
25 mA when grounded. Note applicable output will sink this current when active.
LOW______ < 1 V
HIGH______ Load source voltage minus 0.2 V
Содержание GNC 420
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