10
SHM-B ASYNC
5.
Insert the wires into the terminal strip; tighten the
screw terminals.
6.
After you have made all four connections, wrap the
nylon cable tie (packaged with the SHM-B) around
the wires. Pull the tie tight around the wires to
secure them to the printed circuit board. Trim the
excess nylon tie with wire cutters or scissors.
Figure 1. SHM-B board; 5-screw terminal block.
DCE
DTE
J1 RS-232
CONNECTOR
JUMPER
RX+
RX-
TX+
TX-
GROUND
EN
DIS
RTS/DTR
CONTROL
S2 (LOOPBACK)
DTE/DCE