Specifications (Multi Protocol Analyzer LE-3500)
Interface RS-232C (V. 24)*1
RS-422/485 (RS-530)*1
Expansion measurement interface*2 X. 20/21 [LE-25Y15]
RS-449 [LE-25Y37]
V. 35 [LE-25M34]
Infrared communication IrDA/ASK [OP-SB6G]
Current loop [OP-1C + SB-25L]
Expansion firmware*2 High-speed HDLC/CC-Link [OP-FW10G + LE-25TB]
Standard Protocol ASYNC (Asynchronous), ASYNC-PPP
Character synchronous SYNC/BSC
Bit synchronous HDLC/SDLC/X. 25
Optional Protocol I2C, SPI, BURST*4, IrDA(IrLAP), CC-LINK, CAN, Devicenet, LIN
Synchronous clock ST1 (DTE transmission clock), ST2 (DCE transmission clock), RT (DCE reception clock), AR (The synchronous clock extracted from the edge of the transmission and reception data)
Capture memory Memory capacity*5:6.4 MB
Battery backup:Approximately 5 years with built-in lithium battery
Added function with memory used:Two separated screens. Error erasure prevention. Choose ring buffer or fixed size buffer.
Baud rate Full duplex: 1.544Mbps / Half duplex: 2.048Mbps
Speed setting range 50bps to 2.048Mbps Freely set to four effective digits, separately for transmission and reception.(Margin of error: ±0.01% or less)
Data format NRZ, NRZI, FM0, FM1, 4PPM, ASK
Data code ASCII, EBCDIC, JIS7, JIS8, Baudot, Transcode, IPARS, EBCD, EBCDIK, HEX
Character framing ASYNC : Data bit (5,6,7,8) + parity bit (0,1) + stop bit (1,2)
Character synchronous : Data bit + parity bit (6 or 8 bits in total)
Bit synchronous : Data bit (8 bits)
Multi-processor bit MP (multiprocessor) bit is shown with a special mark.
Bit transmission order LSB first or MSB first (switchable)
Polarity inversion Normal or Inverted (switchable)
Error check For all protocols : Parity (ODD, EVEN, MARK, SPACE), Framing, Break, BCC (LRC, CRC-6, CRC-12, CRC-16, CRC-32, CRC-ITU-T).
BCC permeation mode.
For bit-oriented synchronous protocol : Abort, short frame
Online monitor function Communication log is recorded continuously and displayed in the LCD without affecting the communication lines.
Idle time display OFF (no record); Resolusion: 100ms, 10ms, 1ms; Max 999. 9 sec
Time stamp display Date time stamp: Unit selectable among "Day/Hr/Min," "Hr/Min/Sec," "Min/Sec/10ms," or OFF (with no record)
Line status display Records and displays the wave form of 4 signals (chosen from RS(RTS), CS(CTS), ER(DTR), DR(DSR), CD(DCD), CI(RI), EXIN(outside trigger input) along with the transmission / reception data.
Address filter Records only frames of the specified address.
(only when HDLC / SDLC / X.25)
Data display and operations Pause in capture, scroll, paging, jump to the specified screen.
Bit shift display Entire frame can be shifted to the right or left in 1 bit increments.
Protocol translation display SDLC (modulo 8/128), ITU-T X.25 (modulo 8/128), LAPD, PPP, BSC, IrLAP, I2C
Line status LED Two color LEDs of SD, RD, RS(RTS), CS(CTS), ER(DTR), DR(DSR), CD(DCD), CI(RI), ST1(TXC1), ST2(TXC2), RT(RXC).
RS-232C Logic ON (red) , logic OFF (green) , no connection NC (light off)
Other I/F Logic ON (red) , logic OFF or no connection NC (light off)
Interval timer 2kinds; Max. count: 999999 (Resolution: 1ms ,10ms ,100ms)
General-purpose counter 2kinds; Max. count: 999999
Data counter For SD and RD (1 each): Max. count: 4294967295
Trigger function Up to four pairs of trigger conditions and actions can be specified.
Sequential actions, which validate another condition after one condition is satisfied, are possible.
condition Communication error (Parity, MP, framing, BCC, break, abort, short frame can be specified individually.), communication data string up to 8 characters (don't care and bit mask available), idle time more than the specified duration, match time/counter value, logic status of interface signal line and extarnal trigger input
action Stops measurement/test (number of offsets until a stop can be set), validates trigger conditions, controls timer (start/stop/restart), controls counter (count/clear), activates buzzer, saves monitor data on a memory card, sends the specified character string (during manual simulation), and sends pulse output to external trigger terminal OT2.
External trigger output Sends pulse output to external trigger terminal OT1 when all conditions are satisfied. Sends pulse output to external trigger terminal OT2 according to the trigger output specification.
Data search function Retrieves the data with specific condition from capture memory.
condition Communication error (parity, MP, framing, BCC, break, abort, short frame can be specified individually), communication data string up to 8 characters (don't care and bit mask available), idle time more than the specified duration, specified time stamp, and trigger matching data
action Shows the match data at the top or enumeration display (selectable)
Monitor conditions auto setting Measurement conditions such as protocol, transmission speed, (max. 115.2Kbps), data code, synchronous character and BCC check can be set.
Auto run/stop function Enables measurement to start and end at the specified time at the selected repeating cycle (monthly, daily, hourly).
Power ON auto run function Enables measurement to start automatically after power is turned ON.
Auto save function Automatically saves the monitored data in the capture memory and saves as communications log file in the CF card.
File size BUF (capture memory size) , 1MB , 2MB , 4MB , 8MB , 16MB
MAX. files 1024
Delay time function Measures and displays the interval of change in the interface signal line. (current/min/max/average, resolution: 0. 1ms)
Signal voltage measuring function Measures and displays the value of voltage amplitude: SD, RD, ER (DTR), and CD (DCD) over RS-232C (current/min/max, ±15-V input range, 0.1-V resolution).
Statistical analysis function Takes statistics and displays graphs of transmission/reception data
count, number of frames, and satisfied trigger condition count.
Logic analyzer function Measures the logical change of the interface signal in the sampling clock period, and displays its wave.
Sampling clock 1KHz to 20MHz (14 steps)
Sampling memory Min 2,000
Trigger condition Trigger conditions in the ONLINE monitor functions match. Logical status match between interface signal line and external signal.
Trigger position Before, center, after
Zoom in/out ×8, ×4, ×2, ×1, ×1/2, ×1/4, ×1/8, ×1/16, ×1/32, ×1/64
Other functions Time measurement by cursor, signal line exchange, signal status search
Bit error rate test At DTE or DCE mode (It is possible to change the pin arrangement ), line quality measurement test such as error rates can be done by loop back test or interactive test.
Communication mode Synchronous (SYNC), Asynchronous (ASYNC) Able to have RTS/CTS flow control
Measuring speed 50bps~2. 048Mbps, freely set to four effective digits
Measurement mode Continuous measurememt, specifies the number of receiving bit, specifies the time to measure, repeatedly measurement at the unit of 1 - 1440
Test pattern 26-1, 29-1, 211-1, MARK, SPACE, ALT, DBL-ALT, 3in24, 1in16, 1in8, 1in4
Error bit insertion Inserts 1-bit or 5-bit error in test pattern by key operation.
Measurement range It is able to measure the parameter of the ITU-T advice G.821.
Effective received bit (0-65374;9999999), bit errors (0 to 9999999 to 9. 99E9), bit error rate(0 to 9. 99E-9 to 1), block errors (0 to 9999999 to 9. 99E9), block error rate (0 to 9. 99E-9 to 1), Savail(available measurement time: 0 to 9999999sec), loss count (synch loss: 0 to 9999), error duration (0 to 9999999sec), %EFS (normal operation rate: 0. 000 to 100. 000%)
Simulation function Enables transmission/reception test of any given data in DTE or DCE mode (selectable with pin assingnment).
Transmit data entry Transmit data entry: Register 160 kinds of transmission data tables (10Groupsx16, total 16K data)
Error data entry A part of transmission data can be registerd as error data such as parity error.
Line control mode Auto (Controls transmission timing with RS(RTS), CS(CTS), ER(DTR), CD(DCD) signal lines automatically in 1 ms increments) or manual (key operation) can be selected.
Transmit driver control Auto control (turning ON driver only during data transmission) or manual mode (linking with ER (DTR) or CD (DCD) key manipulation) can be selected during RS-485 simulation.
MANUAL mode Sends the data assinged to operation keys each time a key is pressed, while checking communications status on the display. Can be used together with the trigger function
FLOW mode Simulates the X-on /X-off control data and flow control procedures of RTS/CTS control line. (Sender and receiver selectable).
ECHO mode Returns reception data in frames (buffer echo), in bytes (character echo), or by looping back (loopback echo).
POLLING mode Simulates multi-polling communications procedures. (Sender and receiver selectable)
BUFFER mode Reproduces transmission of selected data (SD or RD) captured in memory by monitor function.

Creates a simulation program (Max. type: 4, Max steps: 512) using the dedicated commands (38 types) to test the communication procedure.

File management function Measurement data and condition can be saved in the CF card. And the format of the data/condition can be used in the PC.
File types Measurement data (.DT), all measurement conditions (.SU), trigger save data (TG SAVEnn.DT), and auto save data (#nnnnnnn.DT)
File controls Normal file display, file display by specified type/created date basis, save, load, delete, delete all, and format
Supported memory card Supported memory card: 512M-16G byte CF card.*7
(LINEEYE warrants only the optional CF card.)
Printout function Specified range of measurement data can be continuously printed in format corresponding to the display mode. Displayed images can be printed to make hard copies.
LCD Monochrome 240 x 64 dots with backlight
AUX(RS-232C) port Mini DIN8 pin connector.
Communication speed: 9600bps to 230.4Kbps (6 steps)
Print out data, Can be used with PC [LE-PC300G], Can be used to upgrade the firmware.
USB2.0 port B-connector in device side. Transfer data in full-speed Can be used with PC [LE-PC300G], Can be used to upgrade the firmware.
External power supply*8 Nickel metal-hydride battery (Model: P-19S)
Battery operating time*9 About 8 hours
Battery charging time About 2.5 hours
Temperature range In operation : 0 to 40 degree Celsius, In storage : -10 to 50 degree Celsius
Humidity range 85% (RH) max.
Standard CE(class A), EMC(EN61326-1 : 2006)
Dimension, mass 210 ( W ) x 154 ( D ) x 38 ( H ) mm, About 790g
Accessories Monitor cable for DSUB 25-pin (LE-25M1), AUX cable for DSUB 9-pin (LE2-8V), external signal I/O cable(LE-4TG), AC adapter(6A-181WP09), carrying bag(LEB-01), Utility CD, instruction manual and warranty
*1: An optional monitor cable and terminal block (the LE-259M1 or LE-25TB) are required in the case of monitoring over RS-232C with a D-sub 9-pin connector or RS-422/485 with a unique terminal arrangement.
*2: To use the function, the optional accessories described in the brackets are required.
*4: This mode is used to capture all data in synchronization with clock edges.
*5: Transmission/reception data, idle time, time stamp, and line status items consume 4 bytes of memory at each capture.
*6: Correct auto settings are impossible if the amount of communications data is small or communications data includes a large number of errors.
*7: Firmware Ver1.06 supports CF card of larger than 8GB.
*8: The provided AC adapter (6A-181WP09 with a positive center plug) or the conventional AC adapter (3A-161WP09 with a negative center plug) can be used.
*9: The battery operating time was measured under LINEEYE's measurement conditions with the LCD backlight turned OFF.