Comtech-ef-data OMS11 Instrukcja Użytkownika Strona 46

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OMS11 1:1 Redundancy Switch Connector Pinouts
TM133 Rev. 1.1
5-13
5.8 Modem A Remote/Terminal/Fault Port on OMS11 (J2)
This port provides Fault status and RS485 Communications to the OMS11 from the OM20
(Modem A). This port utilizes an 18-Pin D38999/24FD18PN Connector. Refer to Table 5-12 for
the pinout information. .
Table 5-12 Remote/Terminal/Fault Connector (J2)
Pin No. Signal Name Signal Direction
A Receive Data RS-232 RX-232 ---
B Transmit Data RS-232 TX-232 ---
C No Connect --- ---
D Transmit Data RS-485 (+) TX-485-B Output
E Transmit Data RS-485 (-) TX-485-A Output
F Receive Data RS-485 (+) RX-485-B Input
G Receive Data RS-485 (-) RX-485-A Input
H Ground GND ---
J Mod Fault Common MF-C ---
K Mod Fault NC MF-NC ---
L Mod Fault NO MF-NO ---
M Demod Fault - Common DF-C ---
N Demod Fault NO DF-NO ---
S Demod Fault NC DF-NC ---
R Ground GND ---
U No Connect --- ---
P No Connect --- ---
T No Connect --- ---
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