C-4 Netopia ISDN Modem User’s Guide
PC serial cable pin assignments
The
Pin Name | |||
Pin # | Pin # | ||
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1 | Data Carrier Detect (DCD) | 8 | |
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2 | Receive Data (RD) | 3 | |
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3 | Send Data (SD) | 2 | |
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4 | Data Terminal Ready (DTR) | 20 | |
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5 | Signal Ground (GND) | 7 | |
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6 | Data Set Ready (DSR) | 6 | |
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7 | Request to Send (RTS) | 4 | |
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8 | Clear to Send (CTS) | 5 | |
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9 | Ring Indicator (R) | 22 | |
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— | Shield | 1 | |
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