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Appendices 103
Figure E.3: SPC Jack
Table E.2: Descriptions for Figure E.2
Pin Number Description Pin Number Description
1 No Connection (N/C) 5 Transmit Data (TXD)
2 No Connection (N/C) 6 Signal Ground (SG)
3 No Connection (N/C) 7 No Connection (N/C)
4 Receive Data (RXD) 8 No Connection (N/C)
Table E.3: Descriptions for Figure E.3
Pin Number Description Pin Number Description
1 No Connection (N/C) 5 Transmit Data (TXD)
2 Data Set Ready (DSR) 6 Signal Ground (SG)
3 No Connection (N/C) 7 Data Terminal Ready (DTR)
4 Receive Data (RXD) 8 No Connection (N/C)
*Signal not required by DSR switch
1
8
45
2
367