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RFS-SP8T RF Switch Matrix Users Manual
Document number 2000481 1
RFS-SP8T RF Switch
Matrix User’s Manual
10 Gerard Ave
Suite 108
Timonium, MD 21093
Phone: 410-560-3615
FAX: 410-560-3516
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Table of Contents
Table of Contents................................................................................................................2
List of Figures .....................................................................................................................3
List of Tables.......................................................................................................................3
1.0 Introduction...................................................................................................................4
2.0 Front Panel ....................................................................................................................6
3.0 Back Panel.....................................................................................................................7
3.1 RS232 Connector ......................................................................................................7
3.2 LAN Connector.........................................................................................................8
3.3 Reset Switch..............................................................................................................8
4.0 RS232 Commands.........................................................................................................9
4.1 “?” Command..........................................................................................................10
4.2 “LS” Command.......................................................................................................11
4.3 “SS” Command.......................................................................................................12
4.5 “AB” Command......................................................................................................14
4.6 “SD” Command.......................................................................................................15
5.0 Socket Interface...........................................................................................................16
5.1 SETSW Command..................................................................................................16
5.2 GWTSW Command................................................................................................17
5.3 LFP Command........................................................................................................18
5.4 UFP Command........................................................................................................19
5.5 GETFV Command ..................................................................................................20
5.6 GETSN Command ..................................................................................................21
6.0 Warranty......................................................................................................................22
7.0 Document Revision History........................................................................................23
List of Figures
Figure 1 – RFS-SP8T..........................................................................................................5
Figure 2 – RFS-SP8T Front Panel ......................................................................................6
Figure 3 – RFS-SP8T Back Panel.......................................................................................7
List of Tables
Table 1 - RS232 Connector Pinout .....................................................................................7
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1.0 Introduction
The RFS-SP8T is an single pole, 8 throw solid state RF switch, with signal bandwidth of
0.1 GHz to 8 GHz. The switch position is set by pressing one of eight front panel
momentary switches, or via LAN interface. An RS232 port is provided for configuring
the switch IP address, and other operating parameters
Figure 1 – RFS-SP8T
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2.0 Front Panel
Figure 2 is a picture of the front panel. A specific RF switch position is selected by
pressing the corresponding momentary switch. The current RF switch position is
indicated by a red LED.
A green power indicator LED is also mounted on the front panel
Figure 2 – RFS-SP8T Front Panel
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3.0 Back Panel
Figure 3 shows the back panel of the RFS-SP8T. The RS232 connector, LAN connector,
and reset button are labeled on the chassis and visible in the graphic below. In addition, 2
LEDs indicating the LAN status (Link and Activity) are located directly above the LAN
connector.
Power is supplied to the unit using a standard instrument cord. The RFS-SP8T will
operate on a 110/220V 50/60 Hz AC power source.
Nine RF signal SMA connectors are accessible near the top of the read panel. The RF
Common (switch “pole”) is to the left and is labeled “RFC”. The eight RF switch
positions are identified as RF1-RF8.
Figure 3 – RFS-SP8T Back Panel
3.1 RS232 Connector
A standard DB9F is located on the right side of the RFS-SP8T back panel. The
connector pinout is provided in the table below:
Pin Number Signal Direction
2 TX Output
3 TX Input
5 GND
Table 1 - RS232 Connector Pinout
The RS232 port is configured for 9600 baud, 8 bits, no parity, 1 stop bit.
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3.2 LAN Connector
Standard RJ45 10/100 Ethernet connector
3.3 Reset Switch
Momentary switch that generates a hardware reset when pressed.
Note: Following reset (or power up) it takes 3 or 4 seconds for the unit to initialize and
attempt to establish communication on the LAN.
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4.0 RS232 Commands
To use the RS232 commands, connect a computer running a terminal emulator program
(e.g. Hyperterm) configured for 9600 baud, 8 bits, no parity, 1 stop bit.
Upon reset, the RFS-SP8T will display the sign on message as shown below (all
examples use Hyperterm):
The ‘>’ character is the prompt indicating the RFS-SP8T’s RS232 interface is ready to
accept commands. All commands are one or two characters followed by the “enter” key.
In the following command descriptions, <enter> is used to indicate pressing the enter
key.
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4.1 “?” Command
Function: Displays available commands on the terminal
Command format: “?<enter>”
Example:
Indice
