PRODUCT

Interface Standard RS-232C/V.24
Interface Option Current loop, RS-422, RS-485, X.20/21. V.35 TTL, IrDA
Protocol Asynchronous : ASYNC
Character synchronous : SYNC, BSC,
Bit-oriented synchronous HDLC, SDLC X.25 (NRZ/NRZI)
Internal clock (bps)
[Can be set for
transmission and reception independently]
50, 75, 100, 110, 134.5, 150, 200, 300, 600, 1200, 1800, 2000, 2400, 3200, 3600, 4800, 7200, 8000, 9600, 12000, 12800, 14400, 16000*, 16800*, 19200, 28800, 32000*, 38400, 46000, 48000*, 50000*, 56000*, 57600, 64000*, 72000*, 76800, 115200
(*Measurements extracting synchronous clock from the received data are impossible at these speeds.)
Data code ASCII, EBCDIC, JIS7, JIS8, Baudot, Transcode, IPARS, EBCD, EBCDIK, HEX
Character framing Asynchronous : Data bit (5/6/7/8) + parity bit (0/1) + stop bit (total 1/1.5/2)
Character synchronous : Data bit + parity bit (total 6, 8 bits )
Bit-oriented synchronous : Data bit + Parity bit (total 8 bits)
Parity bit None, odd, even, mark, space
Bit transmission order LSB first or MSB first, selectable
Polarity inversion Normal or inverted, selectable
Error check function Parity (none, odd, even, mark, space), framing, abort, short, frame, BCC
(none, LRC, CRC-6, CRC-12, CRC-16, CRC-ITU-T)
Memory capacity
[Data retainable]
Capture memory for monitor : 192K bytes (96K characters)
  Expandable up to 1.216M bytes with memory card.
  One area or two divided areas, selectable
Simulation transmission data memory : 8192 characters
  Divisible into a maximum of 16 types data string
On-line monitor function Handles half-duplex and full-duplex communications.
Idle time display (max. 999.9s ; resolution : 10ms, 100ms),
Time stamp (Records and displays time in day / hour / minute or hour / minute / second basis.),
Capture display pause, bit shift display in SYNC and jump to the specified screen enabled.
Protocol translation display function SDLC translation, HDLC(LAPB, LAPD)ITU-TX.25 frame / packet translation , BSC translation, PPP
Interface signal status display function 3-value indication (ON / OFF/ NC) with 2-color LED : SD, RD, RS, CS, ER, DR, CD, SQD, CI, ST1, ST2 and RT
Timing waveform and transmitted / received data displayed on LCD : Four signals selectable from RS, CS, ER, DR, CD, SQD, CI and external input
Data retrieval function Retrieves data conforming to the condition from memory and displays / counts them.
Retrieval condition : Preset characters ("don't care" and bit masking assignable; up to 8 characters), idle time not less than preset value, time stamp data ("don't care" and bit masking assignable) error (parity, framing, BCC, break / abort, short frame individually assignable) and trigger point
Monitor condition automatic setting function Measurement conditions such as protocol, transmission speed (50-115.2Kbps), data code, synchronous character and BCC check can be set.
Auto run / stop function Start and stop time of various measurement tests can be specified.
Delay time measurement Measures and displays the time between interface signal line changes(0.1 ms resolution).
Timer / counter Interval timer : (2 kinds) Max. 655.35s or 6553.5s selectable Universal counter : (2 kinds) Max. 65535
Counter for SD / RD characters : Max. 4294967295
Statistical analysis function No. of exchanged characters, no. of frames, no. of satisfied trigger conditions are displayed in graphs.
Trigger function Four pairs of "condition" and "action" to be taken when the condition is satisfied can be set.
Trigger condition : Preset character ( "don't care" and bit masking assignable; up to 8 characters ). idle time not less than preset value, preset time stamp ("don't care" assignable), error ( error type individually assignable), timer/counter value matching, logical status of interface signal line, external trigger input, and capture memory full
Trigger action : Stop measurement test (offset assignable), timer control ( start / stop / restart),
counter control (count / clear), buzzer, external signal output, save monitor data onto memory card, send preset characters (for simulation)
Bit error rate test (BERT) function Error rate measurement test in accordance with ITU-T recommendation G.821 is possible.
Pattern : 26-1.29-1.211-1,mark, space
Measurement range : Bit error counting, block error counting ( 0-9999999-9.99E9 ), bit error rate, block error rate, SYNC loss frequency, Savail ( operating time ), %EFS ( normal operation rate ); ASYNC or SYNC mode selectable, error bit insertion enabled with key operation
Simulation functions Enables communications procedures to be checked using the desired simulation data in test mode according to the phase of equipment development.
Manual test Sets of data are assigned to operation keys; data are sent by pressing the key while checking the received data on LCD
Match test Sends specified data when the trigger condition is satisfied. ( Used together with trigger function.)
Flow control test Flow control simulation by X-on/off or RTS/CTS (a sender / a receiver selectable)
Echo test Loop-back transmission of received data (by bit, data or frame)
Multi-polling test Simulates multi-polling communications procedure. (slave/ master selectable)
Buffer transmission test Sends SD or RD of capture data.
Program simulation No. of program commands : 32; No. of program steps : 512; Transmitted message : Max. 8192 characters ; Interface signal : Programmed control possible
Display Monochrome LCD with back-light (Max. 30 characters, 8 lines)
Memory card interface 256KB- 1MB SRAM card
File mode : Capable of saving/loading setup information, data for simulation and monitor data ( up to 100 files)
Buffer mode : Can be used as expanded buffer memory for capture
External serial interface RS-232C (mini DIN 8-pin) ; setting conditions, simulation data and monitor data can be input from or output to external devices.
Printer interface Centronics standard (14-pin amphenol type) or RS-232C (mini DIN 8-pin), selectable;
Hard copy of LCD screen and printing monitor data on continuous format
Power supply Self-contained Ni-Cd cell or AC adapter (AC 100-240V, 50/60Hz)
Battery 6 hours (with back-light off)
Dimensions / weight 39(H),240(W),170(D)mm, approx. 980g
Environmental requirement Working temperature range : 0 to 40celsius ; Storage temperature range : -10 to 50celsius ; Humidity : 90% RH or below (no condensation)
Accessories RS-232C/V.24 monitor cable : 1 ; AC adapter : 1 ; Carrying bag : 1 ; Instruction manual : 1
Option
Name Model
Adapter for Current Loop OP-1C
Adapter for RS-422/485 OP-2B
Adapter for X.20/21 OP-3B
Adapter for V.35 OP-4B
TTL Monitor Probe Pod OP-5C
Monitor Cable for DSUB 9-Pin LE-259M1
256K Bytes SRAM Card MC-256S
1M Bytes SRAM Card MC-1MS
AUX Cable for DSUB 25-Pin LE2-8C
AUX Cable for DSUB 25-Pin LE2-8M
AUX Cable for DSUB 9-Pin LE2-8V
Print Data Import Software LE-PC100
PC Buffering Software LE-PC200-E