8
HIGH SPEED SHM-B ASYNC AND CARD
Receive Data (RD), and ground lines if your
equipment does not require the use of the control
signals Request to Send (RTS), Clear to Send (CTS),
Data Set Ready (DSR), etc. The High Speed SHM-B
Async generates levels for the control signals if you
need to use them. The table below shows the pin
connections on the High Speed SHM-B Async.
Table 1. EIA-232 Pin Connections
ME802
ME802
Pin
Signal
configured
configured
No.
Name
as DCE
as DTE
1
Protective Ground
earth ground
earth ground
2
Transmit Data
input
output
3
Receive Data
output
input
4
Request to Send
input
output*
5
Clear to Send
output*
input
6
Data Set Ready
output*
input
7
Signal Ground
signal ground
signal ground
8
Carrier Detect
output
N/C
20
Data Terminal Ready
input
output
* Always high
