Sam4s SPS-500 SERIES Service Manual page 53

3 Installation and Operation
3-10 Hardware Self Test
Test
Connect Loop back Test Connector.
1(ENET TX+)
2(ENET TX-)
3(ENET RX+)
4(N.C)
5(N.C)
6(ENET RX-)
7(N.C)
8(N.C)
( CONNECTOR CIRCUIT )
(IRC Test Connector)
Loop
Back
(RS-232C Test Connector)
Press "Loopback" from the main menu in the Touch Screen.
3-30
Method
1(DCD)
8 1
2(RXD)
3(TXD)
4(DTR)
5(S.GND)
6(DSR)
7(RTS)
8(CTS)
9(RI)
LAN (RJ-45)
(CONNECTOR CIRCUIT ) COM1,2 (MALE)
(RS-232C Test Connector)
1
5
9 6
SAM4S SPS-500 SERIES
Remark