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Model 458-2SL User Manual - Rev. D

The remaining pins are not connected to the Model 458-2SL.

User Command Interface

ASCII command set compliant with IEEE 488.2 and in Hex ASCII two-character bytes per 488
bus data byte.

RS-232  - LF, Baud rate 300 to 19200, commands use terminating character (Carriage Return),
eight Data Bits, one Stop Bit.

Serial RS-232 Mode Command List

sl:aa:xxxx
Set card aa length to xxxx

aa=card no. 01-CC, xxxx=length  CC=02 458-2SL CC=16 458-B

sl:aa-bb:xxxx
Set cards aa-bb length to xxxx

aa-bb = card no. in range of aa to bb
set to length of xxxx

sl:aa+bb:xxxx
Set cards aa+bb length to xxxx

aa,bb = two cards joined for a total
length of xxxx

sl:all:xxxx
Set all cards length to xxxx

all cards set to length of xxxx

le
Length I/O in English units

length xxxx in feet or K feet

lm
Length I/O in Metric units

length xxxx in meters or K meters

Page 5

 

DB-9 

DB-25 

Direction 

Received Data 

Serial Data from Model 458-2SL 

Transmitted Data 

Serial Data to Model 458-2SL 

Ground 5 

Common 

Ground 

CTS 

+ Voltage Out 

DSR 

+ Voltage Out 

 

Содержание 458-2SL

Страница 1: ...Results You Can Count On Model 458 2SL Multi Channel Local Loop Simulator 0315 0333 Rev D Date of Publication 02 27 06...

Страница 2: ...58 Line Modules it becomes a two channel local loop simulator The built in Control Module interfaces with a PC or terminal via IEEE 488 or RS 232 to control loop length settings or it can be used as a...

Страница 3: ...ELEBYTE INC warrants its broadband simulation equipment to be free from defects in material and workmanship under normal and proper use and in its unmodified condition for 12 months starting on the da...

Страница 4: ...cases where no trouble is found a reduced charge will be billed to cover handling testing and packaging Whether in or out of warranty a Return Material Authorization number RMA is required and may be...

Страница 5: ...ations 2 3 0 Connections 3 4 0 RS 232 Control 4 Connections 4 User Command Interface 5 Serial RS 232 Mode Command List 5 5 0 IEEE Controls 8 Connections 8 User Command Interface 8 IEEE Mode Command Li...

Страница 6: ...ndard 19 in rack and accepts a maximum of two Line Modules The built in Control Module is used to configure a Line Module to a particular length via the IEEE 488 or RS 232 port When configured for IEE...

Страница 7: ...19 in W x 22 in D x 3 47 in H 482 6 mm W x 558 8 mm D x 88 1 mm H Environmental Operating temperature 0 to 50 degrees C humidity 0 to 95 relative humidity non condensing Remote Control Connectors RS...

Страница 8: ...f each RJ 45 are supported Refer to Figure 1 for the configuration of the RJ 45 jack L L L L L Do not exceed the maximum ratings as listed in section 2 0 Specifications For best accuracy the I O cable...

Страница 9: ...2 on the Model 458 2SL connects to the RECEIVED DATA pin in the Communications Port Connector on the PC or controller Pin 3 on the Model 458 2SL connects to the TRANSMIT DATA pin in the Communication...

Страница 10: ...length CC 02 458 2SL CC 16 458 B sl aa bb xxxx Set cards aa bb length to xxxx aa bb card no in range of aa to bb set to length of xxxx sl aa bb xxxx Set cards aa bb length to xxxx aa bb two cards joi...

Страница 11: ...a Read serial no of card aa read sn of card aa read sn of control module aa 00 rs aa bb Read serial no of card aa bb read sn of cards in the range of aa to bb rs all Read serial no of all cards read s...

Страница 12: ...display ed Echo disable inputs not echoed and format output for user control program ts aa r Test single segment turn on single segment of card aa r a f h Help RS232 command list read RS232 command l...

Страница 13: ...E 24 pin Connector Connect a standard IEEE cable from the Model 458 2SL to the IEEE General Purpose Interface Bus controller User Command Interface The Model 458 2SL is intended to be operated from an...

Страница 14: ...oined for a total length of xxxx setcard length all xxxx Set all cards length to xxxx cards 01 to 16 set to length of xxxx length english Length I O in English units length xxxx in feet or K feet leng...

Страница 15: ...anual disable Disable manual control disable manual setting of lengths or configuration manual enable Enable manual control enable manual setting of lengths or configuration readcard sn all Read seria...

Страница 16: ...et card lengths English Metric mode and Echo enable disable are maintained during power off in both RS 232 and IEEE modes Manual control is enabled at power on Page 11 SRExx Enables Status Bits as def...

Страница 17: ...orted 4 16 1 Enable Message Available bit MAV 5 32 1 Enable Event Status Bit ESB 6 64 1 MSS this bit is always enabled 7 128 0 Not Supported Event Status Enable Register Bit Value Set Operation 0 1 1...

Страница 18: ...on line The inductance L and capacitance C are the reactive components of the line These elements are not lumped but are distributed over the entire length of the line Therefore a theoretical equivale...

Страница 19: ...ical since the characteristic impedance varies with frequency Use of 100 for terminating wire lines operating in this frequency range has become standard practice in the industry Measurements must alw...

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