Supports infrared, direct cable and Bluetooth connection modes.

Note: 1. The laying method in correspondence with D category in the table 1-18(GB/T16895.15-2002), which is suitable for the direct cable burying or cable layout in the underground conduit.

When you use a null modem to make a direct serial connection between two computers, your cable must be wired, as shown in Listing 1 below.