1xn connector, External select input connector – DNF Controls SW1X8 User Manual
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SW1X8, RS422 Switcher
H. 1XN Connector
9-Pin D-Type Female
Pin# Description
1 Frame
Ground
2 Receive
A
Í
3 Transmit
B
Î
4 Expansion
Mode
5 Spare
6 Receive
Common
7 Receive
B
Í
8 Transmit
A
Î
9 Frame
Ground
I. External Select Input Connector
25-Pin D-Type Female
Pin# Connection
Description____________________
1 Switch #1
Active Low (Internal Pullup to +5 VDC is
2 Switch #2
provided)
3 Switch #3
4 Switch #4
5 Switch #5
6 Switch #6
7 Switch #7
8 Switch #8
9 No Connection
10 No
Connection
11 No
Connection
12 Switch
Common
13 Tally
Common
14 +5v
DC
15 +5v
DC
16
OUT1 tally
When #1 is selected )
17
OUT2 tally
When #2 is selected )
18
OUT3 tally
When #3 is selected )
Active state
19
OUT4 tally
When #4 is selected )
follows front
20
OUT5 tally
When #5 is selected ) ____ panel selector
21
OUT6 tally
When #6 is selected )
switch LED.
22
OUT7 tally
When #7 is selected )
Low when
23
OUT8 tally
When #8 is selected )
LED is ON.