Overview
20
Radio 1 and Radio 2 (Line 1 and Line 2) Connectors
Two (2)
DB25
connectors are provided for connection to various audio devices. The pinouts shown in Table 4 are used when
custom cables need to be fabricated.
Power Connection
The IP-223 re12 to +16VDC, ~700mA of clean power. A 3-pin screw terminal receptacle is provided on the right rear
of the unit, pin 1 is the positive terminal, pin 2 is the ground terminal, and pin 3 is the earth ground terminal.
As with all communication equipment earth ground should be used. Earth ground is a low impedance path to earth for the
purpose of discharging lightening, static, and radiated energy.
SERIAL DB9 PINOUT
SIGNAL
LINE #
DB9 PIN #
TX 232
1
2
RX 232
1
3
TX TTL
1
9
RX TTL
1
1
Ground
both
5
TX 232
2
8
RX 232
2
7
TX TTL
2
4
RX TTL
2
6
TABLE 3.
DB9 Pinout
Summary of Contents for IP-223
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