14
SHM-B PLUS ASYNC
Table 2. Pinning with DTE/DCE switch in the DCE position.
PIN NUMBER
SIGNAL NAME
DIRECTION
1
Protective Ground
—————
2
Transmitted Data TD*
To DCE
3
Received Data RD*
From DCE
4
Request to Send (RTS)*
To DCE
5
Clear to Send (CTS)*
From DCE
6
Data Set Ready (DSR)*
From DCE
7
Signal Ground
—————
8
Data Carrier Detect (DCD)*
From DCE
20
Data Terminal Ready (DTR)*
To DCE
*Pins 2 and 3 (TD and RD), and hardware flow control can be reversed using the
DTE/DCE switch, S1 on the circuit board.
NOTE
Configure each SHM-B independently. Your local and
remote modems won’t necessarily be configured the same.
