CIPHER 1022 User Manual
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7. 1022R Power Connection and Pin
Assignments
This section describes the power connection and pin
assignments of CIPHER 1022R. Incorrect connections may
cause damage to both 1022R and computer.
7.1 Power Connection
There are 2 ways to provide power to CIPHER 1022R, and
they are described below. Either way is possible, but not both
in the same time.
•
Power could be provided to CIPHER 1022R through pin 25
of the D-TYPE 25 pin connector with 5 VOLTS DC.
•
Power could be provided to CIPHER 1022R by a 5 VOLTS
DC adapter through the DC JACK on the RS-232 connector.
The inner conductor is positive, and the outer conductor is
negative (ground).
7.2 Pin Assignments of RS-232 connector
CIPHER 1022R could be equipped with one of two kinds of
connectors as it is shipped to you. The pin assignments for
each kind of connector are described below.
7.2.1 Dual-Connector Type
The connector is equipped with 2 D-Type 25 PIN connectors,
one is male type, and the other is female type. This kind of
connector is for full/half duplex transmission mode.
•
Male Connector
PIN 2 : TxD (Transmit Data)
PIN 3 : RxD (Receive Data)
PIN 4 : connects to pin 4 of female connector
PIN 5 : connects to pin 5 of female connector
PIN 6 : connects to pin 6 of female connector
PIN 7 : GND (Ground)
PIN 8 : connects to pin 8 of female connector
PIN 20 : connects to pin 20 of female connector
PIN 25 : Vcc (+5V Power Input)
