82P2284BB IDT, Integrated Device Technology Inc, 82P2284BB Datasheet - Page 31
82P2284BB
Manufacturer Part Number
82P2284BB
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.82P2284BB.pdf
(363 pages)
Specifications of 82P2284BB
Screening Level
Industrial
Mounting
Surface Mount
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Lead Free Status / RoHS Status
Not Compliant
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3.7.3
density of the received signal. When the received signal is below an
amplitude for continuous intervals, the LOS is detected. When the
received signal is above the amplitude and the density of marks meets
the requirement, the LOS is cleared.
Table 9 and Table 10. In T1/J1 mode, the LOS detection supports ANSI
T1.231 and I.431. In E1 mode, the LOS detection supports ITU-T G.775
and I.431. The criteria are selected by the LAC bit.
Functional Description
IDT82P2284
The Loss of Signal (LOS) Detector monitors the amplitude and
The different criteria for LOS Declaring/Clearing are illustrated in
LOS DETECTION
31
Selected by the LOS_IES bit, a transition from '0' to '1' on the LOS_S bit
or any transition (from ‘0’ to ‘1’ or from ‘1’ to ‘0’) on the LOS_S bit will set
the LOS_IS bit to ‘1’. When the LOS_IS bit is ‘1’, an interrupt will be
reported by the INT pin if enabled by the LOS_IE bit.
the received data stream.
QUAD T1/E1/J1 LONG HAUL / SHORT HAUL TRANSCEIVER
When the LOS is detected, it will be indicated by the LOS_S bit.
During LOS, if the RAISE bit is set to ‘1’, all ’One’s will be inserted to
February 25, 2008
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