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13
SS 16.4 Installation and Operation Manual
INSTALLATION
Connecting the RS-232 Serial Port:
Use the provided modular 9-pin D-sub connector adapter (S9) and reversed modu-
lar cord to connect the SS 16.4’s serial connector to your serial port.
The pin out of the adapter is shown below.
The SS 16.4 is supplied with a reversed modular cable and a 9-pin D-connector
modular adapter (S9) for serial control. Only use the reversed modular cord that is
supplied with the SS 16.4 or a replacement that reverses, such as Radio Shack Cat
No. 279?347. Connect the cable between the SS 16.4 and your computer. The SS
16.4 may operate at baud rates 2400, 9600, 19200, 38400 baud. The unit is shipped
set for 9600 baud, with 8 data bits, no parity and one stop bit. Load your favorite
communication software package Windows 95/98/ME/NT/2000/XP
HyperTerminal, etc.) Using the protocol of 9600-N-8-1. Set the mode to:
DIRECT, Flow Control to: NONE and emulation to: ANSI.
Connecting Two SS 16.4’s to a Single Computer’s Serial Port:
Multiple SS 16.4’s may be cascaded serially to operate from the same serial port.
The first step is to assign unit ID’s to each SS 16.4. One suggestion is to assign 1
to the first SS 16.4 and 2 to the second switcher. The second step is to parallel the
serial ports of the SS 16.4’s. Plug the male end of the duplex modular adapter into
the supplied female (S9) DB-9 to RJ-11 adapter, then attach the supplied reversed
modular line cords into each of the duplex modular adapter receptacles (Radio
Shack Cat No. 279-0357) and the other ends into each SS 16.4 modular receptacles.
See the diagram below. NOTE: Three or more SS 16.4’s may be daisy chained by
using the above description and a Radio Shack Cat No. 279-0410, 5-jack modular
adapter.
RJ-11
Adapter
Pin
DB-9
D-Sub
SS 16.4
(Point of view)
4 3 RS-232 Receive
3 2 RS-232 Transmit
2 5 Ground
Modular Jack
Pin Numbers
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