8
Documentation Number 232D4SS84502 Manual
B&B Electronics Mfg Co – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104
B&B Electronics Ltd – Westlink Comm. Pk – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445
Table 3. DTE MASTER PORT CHART
Pin #
Signal
Description
Signal
Direction of
DTE Master
Port
2
TD
Transmit Data
Output
3
RD
Receive Data
Input
4
RTS
Request to Send
Output
5
CTS
Clear to Send
Input
6*
DSR
Data Set Ready
Input
7
SG
Signal Ground
<------>
8*
CD
Carrier Detect
Input
20
DTR
Data Term. Ready
Output
14**
TD (B)
Tr
Output
15**
TD (A)
Transmit -
Output
16**
RD (B)
R
Input
17**
RD (A)
Receive -
Input
* Pins 6 & 8 are tied together inside the 232D4SS8 and
share the same input. Refer to Figure 5.
** RS-422 master port option only.
