Cisco 2000 Series

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Reference

• X.21 synchronous serial DTE, Table 8, on page 17

• Ethernet AUI, Table 9, on page 18

• Token Ring, Table 10, on page 17

Note In the following tables, pinouts representing DTE and DCE cables use arrows

to indicate signal direction: —> indicates DTE to DCE, <— indicates DCE to DTE.

For more detailed pinout information, refer to the Cisco 2000 Quick-Start Guide.

Table 2 Console Asynchronous Serial Port RS-232 Pinout (25-Pin D

Connector)

Table 3 Auxiliary Asynchronous Serial Port RS-232 Pinout (25-Pin D

Connector)

1. Any pin not referenced on a connector is not connected.

Signal Name Direction

1 Frame Ground –

2 Transmitted Data Input

3 Received Data Output

4 Request To Send Shorted together internally with pin 5

5 Clear To Send –

6 Shorted to pin 8 Output

7 Ground –

8 Carrier Detect Output

20 Data Terminal Ready Input

Signal Name

Directio

1 Frame Ground –

2 Transmitted Data Output

3 Received Data Input

4 Request To Send Output

5 Clear To Send Input

7 Ground –

Cisco 2000 Series - Page 11