82P2281PFG IDT, Integrated Device Technology Inc, 82P2281PFG Datasheet - Page 319
82P2281PFG
Manufacturer Part Number
82P2281PFG
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.82P2281PFG.pdf
(371 pages)
Specifications of 82P2281PFG
Number Of Transceivers
1
Screening Level
Industrial
Mounting
Surface Mount
Package Type
TQFP
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Lead Free Status / RoHS Status
Compliant
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Part Number:
82P2281PFG
Manufacturer:
IDT
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E1 Alarm Criteria Control (0BCH)
AISC:
frame synchronization, and the AIS alarm will be cleared when more than 2 zeros are detected in a 512-bit fixed window.
dow, and the AIS alarm will be cleared when more than 2 zeros are detected in each of 2 consecutive 512-bit fixed window.
RAIC:
is received as ‘0’.
received as ‘0’.
E1 PMON Control (0C2H)
UPDAT:
AUTOUPD:
Programming Information
IDT82P2281
Bit Name
Bit Name
Default
Default
Bit No.
Bit No.
Type
Type
This bit selects the AIS alarm detection criteria.
= 0: The criterion meets I.431. The AIS alarm will be declared when less than 3 zeros are detected in a 512-bit fixed window and it is out of Basic
= 1: The criterion meets G.775. The AIS alarm will be declared when less than 3 zeros are detected in each of 2 consecutive 512-bit fixed win-
This bit selects the Remote alarm detection criterion.
= 0: The Remote alarm will be declared when 4 consecutive A bits are received as ‘1’, and the Remote alarm will be cleared when a single A bit
= 1: The Remote alarm will be declared when a single A bit is received as ‘1’, and the Remote alarm will be cleared when a single A bit is
A transition from ‘0’ to ‘1’ on this bit updates all the PMON indirect registers.
= 0: Disable the automatic update function of the PMON indirect registers.
= 1: All the PMON indirect registers are updated every one second automatically.
7
7
6
6
5
5
Reserved
Reserved
4
4
319
SINGLE T1/E1/J1 LONG HAUL / SHORT HAUL TRANSCEIVER
3
3
2
2
UPDAT
AISC
R/W
R/W
1
0
1
0
August 20, 2009
AUTOUPD
RAIC
R/W
R/W
0
0
0
0
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