Kramer Electronics DB-9 User's Manual

Kramer Electronics DB-9 User's Manual
KRAMER ELECTRONICS LTD.
"55" SERIES DB-9 CONNECTOR PINOUT
DB-9 Pin Number
2
3
5
6
7
8
9
1
4
Connected to:
Ground
Vcc = 8V ("55N" series only)
Switch # 1
Switch # 5
Switch # 4
Switch # 3
Switch # 2
Old Model
Switch # 4
Switch # 3
Ground
Switch # 1
Switch # 5
Switch # 2
To operate a switch, connect it's pin (5-9) momentarily to pin 3 ("55N"
series only) or to an external 8 VDC supply, in this case, sharing common
ground is a must for proper operation (pin 2). In the "55N" series, it is not
needed to share common ground, as supply is internal.
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