Pin
Number
Description
Pin
Number
Description
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)
Figure E.5: SPC Jack
Table E.3: Descriptions for Figure E.5
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
118 DSR® Switch Installer/User Guide
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