AK2504A Просмотр технического описания (PDF) - Asahi Kasei Microdevices

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AK2504A

DS3/STS-1/E3 Transceiver

Asahi Kasei Microdevices 

ASAHI KASEI

[AK2504A]

Normal Operation

RCLK : Recovered from RIN data

RPDATA : Recovered data

RNDATA : Recovered data

RLOS : Low

Peak level of Set Alarm

the incoming < Threshold

data

Level

175 +/- 5 bits of consecutive

0s in the incoming data

DLOS

RCLK : Recovered from RIN data

RPDATA : Recovered data

RNDATA : Recovered data

RLOS : High

ALOS

RCLK : Recovered from EXCLK

RPDATA : Low

RNDATA : Low

RLOS : High

175bits of the incoming data

includes the following data.

1) 58bits of 1s (33% 1s density)

2) No 100bits of consecutive 0s

Peak level of

Clear Alarm

the incoming

data

> Threshold

Level

Fig. 9 Loss of Signal state diagram (DS3/STS-1)

MS0143-E-01

- 20 -

2004/01

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