App. B
4030/Computer RS-232-C Connections
B.2
25-Pin RS-232-C
Connector**
2
3
4
5
8
2
3
5
6
7
20
RECEIVE
TRANSMIT
DTR
COMMON
CTS
TRANSMIT
RECEIVE
CTS
DSR
COMMON
DTR
COMPUTER
FULL HANDSHAKE
(RECOMMENDED)
RS-232-C Interface
Connector—Male
(see Fig. 2)
*
1
2
3
4
5
6
7
8
9
4000
Instrument
Required for connection of the 4000 instrument to an IBM or IBM-
compatible computer, but not to a Daytronic Model PC-HSICA.
Male connector required for Model PC-HSICA.
*
**
Fig. 11 Suggested RS-232-C Interface Connections
(to 25-Pin RS-232-C Connector)
11(a)
25-Pin RS-232-C
Connector
RECEIVE
TRANSMIT
DTR
COMMON
CTS
TRANSMIT
RECEIVE
CTS
COMMON
DTR
INCOMING HAND-
SHAKE ONLY
2
3
4
5
8
2
3
5
7
20
COMPUTER
4000
Instrument
11(b)