Specifications (LE-7000)

Interface

RS-232C (V.24), RS-422 / 485 (X.20/21) (Standard)
3V/5V TTL (Optional)

Protocol

Asynchronous: ASYNC
Character synchronous : SYNC, BSC, (NRZ/NRZI)
Bit-oriented synchronous : HDLC, SDLC, X.25 (NRZ/NRZI)

Speed

Max. 1.54Mbps in all protocols (Max. 2,048Mbps in BERT)

Internal clock (bps)

Pre-set: 110, 1200, 9600, 19.2K, 38.4K, 57.6K, 64K, 115.2K, 128K, 230.4K, 256K, 460.8K, 512K, 921.6K, 1.5M
USER-set: 50-2.048Mbps (4 significant digits)
Can be set for SD(TXD) and RD(RXD) independently.

Date code

ACSII, 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 bits)
HDLC, SDLC, X.25 : Data bit+parity bit (total 8 bits)

Parity bit

None, odd, even, mark, space, MP(Multi-processor bit)

Bit transmission order

LSB first and MSB first, selectable

Polarity inversion

Normal and inverted, selectable

Error check

Parity (odd, even, mark, space), framing, abort, short frame
BCC (LRC, CRC-6, CRC-12, CRC-16, CRC-ITU-T)

Memory capacity

Capture memory for monitor :
3.6M bytes (1.8M characters)
  One area or two divided areas, selectable
  Ring buffer or fixed size buffer, selectable
Simulation transmission data memory :
32K bytes (16K characters)
  Divisible into a maximum of 16 types.
  Part of data can be registered as error data.

Monitor function

Handles half-duplex and full-duplex communications.
Idle time display (max. 999.9s; resolution : 1ms, 10ms, 100ms),
Time stamp display (day/hour/min., hour/ min./sec. or min./sec./10ms)
Lead Status display(RS/C, CS/I, ER, DR, CD, SQD, CI and EXIN)

Other display function

Display pause ;Bit shift display in SYNC ;Jump to the specified screen

Protocol translation display

HDLC (LAPB ,LAPD), ITU-T X.25 (frame, packet), BSC

Lead status LEDs

V.24 : SD, RD, RS, CS, ER, DR, CD, SQD, CI, ST1, ST2, RT
X.20/21 : T, R, C, I, S

Data search function

Search data from capture memory and displays / counts them.
Data frame up to 8 characters ("don't care" and "bit masking" assignable)
Idle time not less than preset value
Time stamp data ("don't dare" and bit masking assignable)
error (parity, framing BCC, break/abort, short frame assignable) Trigger point

Auto Configuration

Measurement conditions such as protocol, transmission speed (max. 230.4Kbps), 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 the time between interface leads changes (0.1ms resolution).

Timer / counter

Interval timer: 2 kinds (Max. 999999; resolution 100ms, 10ms or 1ms),
Universal counter: 2 kinds (Max. 999999),
Counter for SD and RD characters (Max. 4294967295)

Statistical analysis function

Statistics (no. of exchanged characters, no. of frames, no. of satisfied trigger conditions) are collected and displayed in graphs on 10 minutes / 1hour / 4 hours basis.

Trigger function

Four pairs of [Trigger condition] and [Trigger action] to be taken.
[Trigger condition]
Data frame up to 8 characters ("don't care" and "bit masking" assignable),
Idle time not less than preset value, Error, MP, Timer/Counter value matching, interface lead transitions, External trigger input.
[Trigger action]
Stop measurement test (offset assignable), Enable trigger condition, Timer control (start/stop/restart), Counter control (count/clear), buzzer, External signal output, Save monitor data onto memory card, Send preset characters (for manual mode simulation)

BERT
(Bit error rate test)

Error rate measurement test in accordance with ITU-T G.821.
(DTE/DCE pin assignments selectable)
Pattern : 2⁶-1(63), 2⁹-1(511), 2¹¹-1(2047), mark, space
(error bit insertion enabled with key operation)
Measurement range : Bit and block error counting (0-9999999-9.99E9), bit error rate, block error rate, SYNC loss frequency, Savail, %EFS

Simulation functions

Transmission test for all kinds of data including error data.
DTE/DCE pin assignments selectable.
Can preset change in interface lead and transmission timing.

Manual mode

View communications on display and send data assigned to keys by key operation. Send data when events are established using trigger feature.

Buffer transmission
mode

Select and resend SD or RD data in capture memory for monitor.

Program mode

Supports multiple protocols using command-based simulation; Commands: 36; steps : Max. 512 x 4 set; Transmission data string: Max. 16KB; Controls communications lines using commands.

Display

Monochrome LCD with back-light (Max. 30 characters x 8 lines)

Memory card interface

Accommodates 16MB/64MB flash memory card : Used to save/load setting condition and simulation data / programs (up to 100 files).

External serial interface (AUX port)

RS-232C (mini DIN 8-pin) : Up to 230.4Kbps
Used to input/output setting condition and monitor data from/to external devices, and to update the system ROM.

Printer interface

Parallel (14-pin female) or RS-232C (mini DIN 8-pin), selectable;
Hard copy and printing monitor data on continuous format.

Power supply

Built-in rechargeable battery (Appox. 4 hours of operation)
AC adapter : Input AC100-240V / Output DC9V 1.4A

Dimensions/weight

39 (H) x 240 (W) x 180(D) mm, approx.1kg

Environmental requirement

Temperature range : 0 to 40 degree Celsius (operating);-10 to 50 degree Celsius (storage)
Humidity : 90%RH or below (no condensation)

Accessories

Interface sub-board A(RS-232C/RS-422, 485): 1 (already mounted) ; Cables (RS-232C/V.24 monitor, X.20/21 monitor, external signal I/O, serial AUX) : 1 each; AC adapter: 1 Carrying bag: 1; PC software (DOS program) FD: 1; Instruction manual : 1

Option

Name	Model
Interface Sub-Board B TTL/RS-232C	OP-SB5C
Adapter for Current Loop	OP-1C
Monitor Cable for DSUB 9-Pin	LE-259M1
16M Bytes Memory Card	MC-16MA
AUX Cable for DSUB 25-Pin	LE2-8M
AUX Cable for DSUB 9-Pin	LE2-8V
Print Data Import Software	LE-PC100