Roll-over—The colored wires are in the opposite sequence at either end of the cable. Table 5-1 lists the roll-over (console) cable pinouts for RJ-45.

March 14, 2026 - Cisco console cables typically utilize an RJ-45 to DB-9 configuration, allowing a direct connection from a computer’s serial port to Cisco devices. The most significant feature of this type of cable is its “rolled” wiring—an arrangement where the pinout on one end is reversed on the other. This design ensures that the corresponding pins connect correctly between the devices. The pinouts are crucial as each pin has a specific function. Below is a breakdown of the color-coded wiring scheme used in a standard RJ-45 to DB-9 console cable:

Crossover—The first (far left) colored wire at one end of the cable is the third colored wire at the other end of ... Table 1 lists the rolled (console) cable pinouts for RJ-45.

If the cables or adapters described here don't fit your needs, WTI can also create custom cable adapters per your request. For more information, please contact WTI Tech Support. 72-3383-01 Cisco Rollover Console Cable, Blue, DB9 to RJ45, 6 Foot · Used for a console connection between a PC and Cisco devices.

Hold the cable ends side-by-side, with the tab at the back. The wire connected to the pin on the outside of the left plug should be a different · color from the wire connected to the pin on the inside of the right plug. ... The RS-232 console port uses an 8-pin RJ-45 connector.

There are three types of commonly used RJ-45 cables: straight, cross and rolled. Hold the two ends of an RJ-45 cable side by side. There are eight colored strips, or pins, at each end. If the order of the colored pins is the same at each end, the cable is straight.

February 3, 2026 - This cable is typically flat and light blue in color, to distinguish it from other types of network cable. The name rollover alludes to how the pinouts on one end are reversed with respect to the other, as if the flat cable had been rolled over.

This cable is used to connect a ... and Cisco-supplied cables are flat and light blue in color. ... According to 1 reports in our database (1 positive and 0 negative) the Cisco RJ-45 to DB-9 console cable pinout should be correct....

June 6, 2022 - Pinout of Cisco Console (9) cable and layout of 9 pin D-SUB female connector and 8 pin RJ45 (8P8C) female connectorUse this cable to configure a Cisco router thru the Console port at the router.

This 15-foot light blue rollover cable provides a reliable RS232 to Ethernet connection between your computer’s DB9 serial port and Cisco networking devices using RJ45 console ports.

Crossover—The first (far left) colored wire at one end of the cable is the third colored wire at the other end of the cable. Table 1 lists the rolled (console) cable pinouts for RJ-45.

Roll-over—The colored wires are in the opposite sequence at either end of the cable. Table 5-1 lists the roll-over (console) cable pinouts for RJ-45.

March 15, 2013 - ... You can identify a roll-over cable by comparing the two modular ends of the cable. Holding the cables side-by-side, with the tab at the back, 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.

January 27, 2006 - This table shows the console port pinouts for the RJ−45 connector: ... In order to identify a rollover cable, compare the two modular ends of the cable. Hold the cables in your hand, side−by−side, with the tab at the back. The wire connected to the pin on the outside of the left connector (pin · 1) must be the same color as the pin on the outside of the right connector (pin 8). On Cisco ...

June 15, 2021 - The following table shows the relationship between the two pinouts and the colours. If your colours are different you should recreate this table with the appropriate order, remembering to inverse Rx and Tx: Once crimped it should look something like the picture below. Note that you should be able to do it much neater with the outer sheath crimped into the connector but this was a quick bodge to test it worked! And it works! Once I had the cable plugged in I was able to access the console and make the required changes.

April 8, 2026 - The ultimate guide to Cisco Console Cables. Learn about RJ45 to DB9 rollover pinouts, USB to RJ45 types, FTDI chipsets, and cross-brand compatibility.

Cisco does not provide these cables. These cables are widely available from other sources. Console cable ... Note: The console port does not support modem control or hardware flow control. ... In order to identify the RJ-45 cable type, hold the two ends of the cable next to one another so you can · see the colored wires inside the ends, as shown here:

white on the other (a rollover cable reverses pins 1 and 8, 2 and 7, 3 and 6, and 4 and 5). ... Terminal) to connect the console port to a PC running terminal emulation software. Figure B-2 shows · how to connect the console port to a PC. Table B-1 lists the pinouts for the asynchronous serial console

The table below summarizes the external alarm input pinout. ... The table below summarizes the console/aux RJ45 RS232 serial port pinout.