Anritsu MP1777A Bedienungsanleitung PDF herunterladen (Seite 18)

Specifications

Bit rate 2.048, 8.448, 34.368, 139.264 Mbit/s

Level/waveform Conforms to ITU-T G.703 (with 20 dB monitoring point)

BNC (75 Ω, unbalanced), 3-pin Siemens (120 Ω, balanced)

Connectors

2.048 Mbit/s: HDB3 (balanced/unbalanced)

8.448, 34.368 Mbit/s: HDB3 (unbalanced)

139.264 Mbit/s: CMI (unbalanced)

Clock Internal (accuracy: ±7 ppm, jitter unit not installed), external (ECL [AC] 50 Ω), received signal

Unframed: 2, 8, 34, 139 Mbit/s

Frame format Framed: 2 Mbit/s (with/without CRC-4 at channels 30/31, G.704), 8 Mbit/s (G.742), 34 Mbit/s (G.751), 139 Mbit/s (G.751),

MUX/DEMUX (Option 06)

PRBS: 2

– 1, 2

– 1 (O.151)

Test patterns Invert: On/off

Word: 16-bit programmable, all 0, all 1

Bit (all, test pattern), code, E-bit

Error addition Timing: Single, rate (1E–3, 1E–4, 1E–5, 1E–6, 1E–7)

FAS: n in 16 (n: 1 to 4), all

LOS, LOF, AIS, RDI, RDI (MF)

Alarm addition

Timing: All

Mode: Single, repeat, manual

In-service

Errors: Frame, code, CRC-4, E-bit

Alarms: Power-fail, LOS, AIS, LOF, MF loss, RDI, RDI (MF)

Measurements Error performance: G.821 (inc. Annex D), M.2100, G.826

Out-of-service

Errors: Frame, code, CRC-4, E-bit, bit

Alarms: Power-fail, LOS, AIS, LOF, MF loss, RDI, RDI (MF), sync loss

Error performance: G.821 (inc. Annex D), M.2100, G.826

LEDs LOS, AIS, LOF, MF loss, RDI, RDI (MF), sync loss, errors

Monitor Frame word

Trouble search Auto search for errors/alarms in all measured channels

Delay measurement 0 to 1 s

Auxiliary interface Clock sync output, frame sync output, error output

• MP0121A 2/8/34/139/156M

1 Unit

1: Built-in 156M CMI (electrical) interface

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Anritsu MP1777A Bedienungsanleitung Seite 18