You can identify a rollover cable by comparing the two modular ends of the cable. Hold the cable’s ends
side-by-side, with the tab at the back (pointing away from you). The wire connected to the pin on the
outside of the left plug should be the same color as the wire connected to the pin on the outside of the
right plug. (See Figure 1.) If your cable came from Cisco Systems, pin 1 is white on one connector, and
pin 8 is white on the other (a rollover cable reverses pins 1 and 8, 2 and 7, 3 and 6, and 4 and 5).
You can identify a rollover cable by comparing the two modular ends of the cable. Hold the cable’s ends
side-by-side, with the tab at the back (pointing away from you). The wire connected to the pin on the
outside of the left plug should be the same color as the wire connected to the pin on the outside of the
right plug. (See Figure 1.) If your cable came from Cisco Systems, pin 1 is white on one connector, and
pin 8 is white on the other (a rollover cable reverses pins 1 and 8, 2 and 7, 3 and 6, and 4 and 5).
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