ZyXEL P-2024 User Guide - Page 132
Console Port Pin Assignments
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Chapter 14 Product Specifications 14.3 Console Port Pin Assignments In a serial communications connection, generally a computer is DTE (Data Terminal Equipment) and a modem is DCE (Data Circuit-terminating Equipment). The P-2024 is DCE when you connect a computer to the console port. Figure 58 Console Port Pin Layout Pin 5 Pin 1 Pin 9 Pin 6 Table 58 Console Port Pin Assignments CONSOLE Port RS - 232 (Female) DB-9F Pin 1 = NON Pin 2 = DCE-TXD Pin 3 = DCE -RXD Pin 4 = DCE -DSR Pin 5 = GND Pin 6 = DCE -DTR Pin 7 = DCE -CTS Pin 8 = DCE -RTS PIN 9 = NON Pin 1 = NON Pin 2 = DTE-RXD Pin 3 = DTE-TXD Pin 4 = DTE-DTR Pin 5 = GND Pin 6 = DTE-DSR Pin 7 = DTE-RTS Pin 8 = DTE-CTS PIN 9 = NON. The CON/AUX port also has these pin assignments. The CON/AUX switch changes the setting in the firmware only and does not change the CON/AUX port's pin assignments. P-2024s with a CON/AUX port also have a 9-pin adaptor for the console cable with these pin assignments on the male end. Table 59 Ethernet Cable Pin Assignments WAN / LAN ETHERNET CABLE PIN LAYOUT Straight-through Crossover (Switch) (Adapter) (Switch) 1 IRD + 1 OTD 1 IRD + + 2 IRD - 2 OTD - 2 IRD - 3 OTD + 3 IRD + 3 OTD + 6 OTD - 6 IRD - 6 OTD - (Switch) 1 IRD + 2 IRD 3 OTD + 6 OTD - 132 P-2024 User's Guide