Aclara SGM1430-B, Руководство пользователя

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S G M 1 4 3 0 - B S m a r t M e t e r P o l y p h a s e U s e r M a n u a l – S M E T S 2
Communication Interfaces
20-Pin Connector
Optional AC Mains Connector
Pin Name Symbol
Input/
Output Pull-up Function
1 +12 V +12 V – – 12 V DC power supply rail
2 +12 V +12 V – – 12 V DC power supply rail
3 Common COM – – Common DC power supply rail
4 Common COM – – Common DC power supply rail
5 Device Present CH_PR Input Y
Active low (communications hub
present)
6 Host Present MT_PR Output Y Active low (host present)
7 Transmit Data (Tx) TX_MT Output Y Serial NRZ line code, logic 0 = high
8 Receive Data (Rx) RX_MT Input Y Serial NRZ line code, logic 0 = high
9 AC Lost AC LO Output Y Active high (No AC present)
10 Reserved CSP_A NC N For use by CSP
11 Reserved CSP_B NC N For use by CSP
12 Reserved CSP_C NC N For use by CSP
13 Reserved RMM_B NC N For future use by ESME manufacturer
14 Reserved RMM_C NC N For future use by ESME manufacturer
15 Reserved RMM_D NC N For future use by ESME manufacturer
16 Reserved RMM_E NC N For future use by ESME manufacturer
17 Reserved RMM_F NC N For future use by ESME manufacturer
18 Reserved CSP_D NC N For use by CSP
19 Reserved CSP_E NC N For use by CSP
20 Reserved CSP_F NC N For use by CSP