To simplify connections to other devices, each port on the DS-100 is equipped with a jumper
block that allows the port to be configured as either a DTE- or DCE-type device. This allows the
DS-100 to communicate with either DTE- or DCE-type devices without using a null modem
cable. J5 is used for Serial 0 and J6 is used for Serial 1. The DTE/DCE selection jumper blocks
are illustrated in Figure 13.
1
6
5
4
8
7
2
39
10
11
12
pin 3
RxD
pin 7
CTS
pin 4
DSR
TxD
pin 2
RTS
pin 8
DTR
pin 6
J5 -- Serial 0
J6 -- Serial 1
These jumper blocks are used to
connect RS-232 signals to the
various pins of the D-9 connectors.
1
6
5
4
8
7
2
39
10
11
12
pin 3
RxD
pin 7
CTS
pin 4
DSR
TxD
pin 2
RTS
pin 8
DTR
pin 6
1
6
5
4
8
7
2
39
10
11
12
pin 3
RxD
pin 7
CTS
pin 4
DSR
TxD
pin 2
RTS
pin 8
DTR
pin 6
DTE configuration
(factory default)
DCE configuration
Figure 13 --- DTE or DCE output selection
(Jumpers J5 and J6)
DS-100 User’s Manual 6-2
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