| Interface Standard | RS-232C/V.24 | ||||||||||||||||||||||||||||
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| 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) |
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| 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.) |
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| 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 (1/1.5/2) Character synchronous : Data bit + parity bit ( total 6, 8 bits ) Bit-oriented synchronous : Data bit + Parity bit ( total 8 bits ) |
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| 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) |
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| 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 |
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| 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. |
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| 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 |
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| 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) <not available for LE-1100> error (parity, framing, BCC, break / abort, short frame individually assignable) and trigger point |
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| 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 |
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| 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) |
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| 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 |
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| 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/ mastrer selectable) | ||||||||||||||||||||||||||||
| Display | Monochrome LCD without 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 |
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| 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 anphenol
type) or RS-232C (mini DIN 8-pin), selectable; Hard copy of LCD screen and printing monitor data on continuous format |
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| Power supply | Self-contained Ni-Cd cell or AC adapter (AC 100-240 V, 50/60Hz) | ||||||||||||||||||||||||||||
| Battery | 6 hours | ||||||||||||||||||||||||||||
| Dimensions / weight | 39(H),240(W),170(D)mm, Approx. 950g | ||||||||||||||||||||||||||||
| 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 |
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