Agilent Technologies 37907A Manual do Utilizador descarregar pdf (Página 37)

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E7575A DS0/DS0A Link Interface Module

Features:

• Monitor four bidirectional links per LIM (eight receivers)

• Support 64 kb/s and 56 kb/s data rates

Connectors: 4 × dual Bantam connectors, 1 × female DB9 (clock input)

Line codes: AMI

Framing: None

Timestamp

accuracy : +/- 350 msec at 64 kb/s

Level 1 receive alarm indications:

• Loss of signal

• Loss of clock cycle

• Loss of byte clock cycle

Receiver levels:

Mark voltage: ± 2.7V to >5.5 V

Space voltage: 0 ± 1.0 V

Receiver impedances

Terminated: 135 ohm

Bridged: > 2 kohm.

Receive clock

tolerance: ± 1%.

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Agilent Technologies 37907A Manual do Utilizador Página 37