Specifications
Hardware Description
2-55
Pin 2 RX (Receive Data)
Pin 3 TX (Transmit Data)
Pin 4 DTR (Data Terminal Ready)
Pin 5 GND (Signal Ground)
Pin 6 DSR (Data Set Ready)
Pin 7 RTS (Request To Send)
Pin 8 CTS (Clear To Send)
Pin 9 RI (Ring Indicator)
Shell Shield
Table 2-8. Requirements for an External Modem
Specification Value Comments