18
RS-232 TO RS-485 INTERFACE CONVERTER W/OPTO ISOLATION
Figure 4-3. Stripping the Outer Insulation from the Twisted Pairs.
3. Strip back the insulation on each of the 2 twisted
pair wires about
1
⁄
4
inch as shown in
Figure 4-4
.
Figure 4-4. Stripping the Insulation on the 2 Twisted Pairs.
4. Place the cable through the end plate, and make a
small loop in the cable and feed the cable under
the tie wrap which is currently installed in the
board. When you have completed this assembly, it
should resemble the diagram shown in
Figure 4-5
.
Connect one pair of wires to XMT+ and XMT-
(transmit positive and negative) on the terminal
block, making careful note of which color is
positive, and which color is negative.
