Anritsu MP1777A Spezifikationen PDF herunterladen (Seite 58)

DIGITAL LINK MEASURING INSTRUMENTS

186 For product ordering information, see pages 4 –10

Foreground cells O.191, extended O.191, OAM test cell (PRBS 15), null, AAL1, AAL3/4, (For null, AAL1, AAL3/4, next pattern settable to payload.

(test cells) PRBS 9, PRBS 15, PRBS 15 (non-inverted), PRBS 23, time stamp, programmable)

Cell generation timing

CBR, burst, sawtooth waveform, CBR with CDV, VBR, Poisson distribution, manual, external edge, external level, detailed CBR,

burst for UPC measurement, programmable

Background cell CBR (10 types)

OAM cell

AIS, RDI, continuity check, loopback, programmable, forward monitoring, backward reporting, PM activation/deactivation, CC

activation/deactivation

Capacity: 4095 cells

Filter: All cells, specified cells, header +first byte of payload match/mismatch cells

Capture

Trigger: Manual, OAM cell receive, cell error detect, cell loss detect, cell misinsertion detect, cell tagging, external input signal, etc.

Display: Hexadecimal, ASCII, cell interval, translate

Error addition: Cell loss, cell error

Error detection: Bit error, error cell, cell loss, cell misinsertion, non-conforming cell, etc. (measurement items differ according to test cell)

Single-channel Alarm detection: VP-AIS, VP-RDI, VP-LOC, VC-AIS, VC-RDI, VC-LOC

Others:

Bandwidth, total cells, cell delay measurement, 1 point CDV measurement, 2 point CDV measurement, cell interval measurement

1023 channel

Detect and measure 1023 channels on line

measurement

Measurement items: Total cell count, CLP = 0 cell count, CLP = 1 cell count, OAM cell count

(live monitor)

Auxiliary input Trigger input

Send/receive memory 8 MB (≥130,000 cells, send: 8 MB, receive: 8 MB, send + receive: 4 + 4 MB selectable)

Cell send Transmit from memory according to time stamp. Able to transmit in every 1 cell. Able to edit AAL1, AAL3/4, AAL5 frame

Capacity: ≥130,000 cells (at 8 MB receive setting)

Filter: All cells, all cells (excluding idle cells), up to 16 specified channels

Capture Trigger: Specified event, specified event occurrence times, sequential event (second event after first event)

Event: Specified channel, SN abnormality, ST abnormality, CRC abnormality, specified pattern, external input signal, etc.

Display: Cell, SAR, CPCS, time stamp

AAL type automatic evaluation and measurement

Error addition: Cell loss, cell error

Single-channel Measurement items:

measurement Cell count, CPCS-PDU count, assembled timer timeout PDU count, frame size error count, CPI error count, SN error count, ST

error count, LI error count, about count, BE tag error count, BA size error count, AL error count, length error count, CRC error

count, etc. (measurement items differ according to AAL type)

1023 channel

Detect and measure 1023 channels on line. AAL type automatically detected and measured

measurement

Measurement items: Cell count, CPCS count, etc. (measurement items differ according to AAL type)

(live monitor)

External interface Trigger input (capture event)

ATM (ITU-T I.361), OAM (ITU-T I.610), AAL5-CPCS (ITU-T I.363), SSCOP (ITU-T Q.2110), UNI 3.1/4.0 (ATM forum),

Supported protocols LLC (RFC2225), SNAP (RFC2225), ATMARP/InATMARP (RFC2225), IP (RFC791), ICMP (RFC792), UDP (RFC768),

TCP (RFC793)

Decoded file type Data captured by MU120021A Protocol Unit and saved in binary format

Operating environment MP1220B or a PC running with Windows 3.1/95/98

•

MU120020A QoS Unit

•

MU120021A Protocol Unit

•

MX122020A Protocol Decoding Software

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