Interface (standard) RS-232C (V.24), RS-422/485 (RS-530)
Interface (optional) X.20/21, RS-499, V.35, current loop, 3V/5V TTL, I2C, IrDA port, CAN, CAN/LIN, high-speed RS-485/CC-link
Character synchronous: SYNC, BSC (NRZ/NRZI)
Bit-oriented synchronous: HDLC, SDLC, X.25 (NRZ/NRZI/FM0/FM1)
Other expansions: I2C, IrDA, BURST
(Mode in which all data is imported in synchronization with clock edge.)
Synchronous clock: Transmission/reception clock (ST1, ST2, RT), extraction clock AR (Synchronous clock extracted from edge of transmission/reception data)
Capture memory
3.6Mbyte (1.8M data)
Two divided areas, data protection, and selection between fixed-size buffer and ring buffer
Can back up data using a built-in lithium battery for about 5 years.
Baud speed Full duplex : Max. 1.000 Mbps
Half duplex : Max. 1.544 Mbps
Internal clock (bps) Enables to set user-defined speed for transmission/reception at the range from 50 to 1.544Mbps in 4-digit decimal figures.
Setting error : +0.01% and -0.01% or less
Data format NRZ, NRZI, FM0, FM1, ASK, 4PPM
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)
SYNC, BSC : Data bit + parity bit (total 6, 8 bit)
HDLC, SDLC, X.25 : Data bit (8 bit)
Multiple-processor bit Displays 1/0 state of multiple-processor bit as special mark
Bit transmission order LSB first, MSB first (switchable)
Polarity inversion NORMAL, INVERT (switchable)
Error check Parity (ODD, EVEN, MARK, SPACE), framing, break, abort, short frame, BCC (LRC, CRC-6, , CRC-12, CRC-16, CRC-ITU-T, FCS-16, FCS-32)
Monitor function Handles half-duplex and full-duplex communications.
Idle time display (max. 999.9s; resolution : 1ms, 10ms, 100ms), OFF (no recording)
Time stamp display (day/hour/min., hour/min./sec. or min./sec./10ms), OFF (no recording)
Line status display Records and displays the waveforms of 4 digits (chosen from RS, CS, ER, DR, CD, CI, and EXIN (external input)) along with transmitted/received data.
Pause in capture, scroll, paging, jump to the specified screen, bit shift in SYNC
Protocol translation display SDLC(modulo 8/128), ITU-T X.25(modulo 8/128), LAPD, PPP, BSC, IrLAP, I2C
Interface lead status LEDs
(2-color LEDs)
SD, RD, RS (RTS), CS (CTS), ER (DTR), DR (DSR), CD (DCD), CI, ST1, ST2, RT
RS-232C - Indicates the logic of signals with 3 modes: ON (red), OFF (green), NC (not lighting).
Others I/F - Indicates the logic of signals with 2 modes: ON (red), NC (not lighting).
Timer / counter Interval timer: 2kinds (Max. 999999, resolution : 100ms, 10ms, 1ms selectable),
Universal counter: 2kinds (Max. 999999)
Data counter: 1 each for SD and RD (Max. 4294967295)
Trigger function
Up to 4 pairs of trigger condition and action can be specified. (sequential action, which validates another condition after one condition satisfied, is also possible.)
condition: Communication errors (parity, MP, framing, BCC, break, abort, short frame can be specified individually.), communications 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, external trigger input
action: Stops measurement/test (offset can be set), validates trigger condition: 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).
external trigger output: Sends pulse to external signal when condition satisfied.
Data search function Shows the match data at the top or enumeration display (selectable).
Search condition: error (parity, MP, framing, BCC, break/abort, short frame selectable), the data string up to Max. 8 characters, idle time over specified time, time stamp for specified time
Monitor condition auto-setting Protocol, transmission speed (Max. 115.2Kbps), data code, character synchronous, enables to auto-set the measurement conditions such as BCC
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 Enable to auto-save data in the capture memory, which is being monitored, as log file onto a memory card.
File size: BUF (capture memory size), 1M, 2M, 4M, 8M
MAX. files: 512
Delay time measurement Measures and displays the time between changes of interface signal lines (resolution 0.1ms)
Statistical analysis function Statistics (no. of exchanged characters, no. of frames, no. of satisfied trigger conditions) are collected and displayed in graphs at the range from 1 to 240min. (unit: 1min.)
Logic analyzer Sampling clock : 1KHZ to 20MHz (14 steps)
Sampling memory : min. 2000 sampling
Trigger : matching the signal line and logic state of the external
Trigger position : before, center, after
Scale-up/down : *16, *8, *4, *2, *1, *1/2, *1/4, *1/8, *1/16, *1/32,
Time measurement by the cursor, exchange the signal lines, search a signal state
Bit error rate test Measures error rate conforming to ITU-T Notification G.821 by loop-back test or interactive test.
Measurable in the SYNC/ASYNC mode
DTE/DCE pin assignments selectable
Max. speed: 1.544Mbps
Pattern: 26-1, 29-1, 211-1, MARK, SPACE, ALT, DBL-ALT, 1in4,
1in8, 1in16, 3in2
(Inserts 1-bit or 5-bit error in test pattern by key operation.)
Measurement range: Effective bits received (0 to 9999999 to 9.99E9), Error bit count (0 to 9999999 to 9.99E9), Bit error rate (0 to 9.99E-9 to 1), Block error count (0 to 9999999 to 9.99E9), Block error rate (0 to 9999999 to 9.99E9), Savail (Available measurement in seconds 0 to 9999999), SYNC loss count (0 to 9999), Error in seconds (0 to 9999), %E.F.S (Normal operation rate 0.000 to 100.000%)
Simulation function Enables the transmission test of user-defined data (DTE/DCE pin assignments selectable)
Transmission data memory: 16k
Enables to divide to 16 kinds of the data tables for registration.
Enables to register parts of transmission data as error data such as parity error.
Enables to preset the interface signal line's change and transmission timing
Enables to control the transmission driver for RS-485
MANUAL mode While checking communications condition on the monitor, specified data can be transmitted as pressing the corresponding keys with the transmission trigger function when the trigger conditions are matched.
FLOW mode Simulates on the transmission and reception-lines using X-on/off flow control or the control line handshake of RTS/CTS.
ECHO mode Returns reception data by a frame unit after specified response time.
POLLING mode Simulates on multi-polling protocols (slave/master selectable)
BUFFER mode Selects transmission or reception, and sends transmitted or received data that has been captured in the buffer memory by the monitor function.
PROGRAM mode Creates a simulation program according to the protocol using dedicated commands to test transmission and reception.
The number of commands (32kinds), The number of step (Max. 512), the transmission data string (Max. 16K characters), Enables to control the control lines with the commands
Display Monochrome LCD, 240 x 64 dot, with backlight
Memory card interface Supports the dedicated memory cards for16MB, 64MB, 512MB, 1GB (Flash card)
Saves/loads the measurement conditions, capture data, simulation data, the simulation program
AUX (RS-232C) port RS-232C, 9600 to 230.4Kbps (6 steps)
Data output, remote controls input/output from the external devices, input for updating to firmware, PC link software (LE-PC300G)
Printer interface Centronics 14 pin; LCD display screen, printing continuous format of measurement data
Power supply Built-in NiMH battery, AC adapter, DC9V, 1.7A (AC100 to 240V, 50/60Hz)
Battery operating / charging time Operating time: approx. 8hours
charging time: approx. 2.5hous
39 (H) x 240 (W) x 180 (D) mm, approx. 950g
Environmental requirement Temperature range: 0 to 40 degree Celsius centigrade (operating) ; -10 to 50 degree Celsius (storage)
Humidity : 90%RH or below (no condensation)
Regulatory approvals CE (EMI : Class A)
DSUB 25pin monitor cable (LE-25M1), DSUB9pin serial AUX
cable (LE2-8V), external signal I/O cable, AC adapter, carrying
bag, utility CD-ROM, instruction manual and warranty
Name Model
TTL, I2C Expansion Kit OP-SB5F
IrDA, ASK Expansion Kit OP-SB6F
CAN Communications Expansion Kit OP-SB7F
CAN/LIN Communications Expansion kit OP-SB7FX
Firmware for high-speed HDLC mode OP-FW10
Expansion Board for Adapter SB-20L
Adapter for Current Loop OP-1C
Monitor Cable for DSUB 9-Pin LE-259M1
X.21 Monitor Cable LE-25Y15
V.35 Monitor Cable LE-25M34
RS-530 Cable LE-25S530
Terminal Block for DSUB 25-Pin LE-25TB
512MB CF Card MC-512CF
AUX Cable for DSUB 25-Pin LE2-8C
PC Link Software (replacement model of LE-PC300) LE-PC300G
NiMH Battery Pack for Replacement P-19S