IDT82P2282 Integrated Device Technology, Inc., IDT82P2282 Datasheet - Page 329
IDT82P2282
Manufacturer Part Number
IDT82P2282
Description
2 Channel T1/J1/E1 Transceiver
Manufacturer
Integrated Device Technology, Inc.
Datasheet
1.IDT82P2282.pdf
(383 pages)
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IDT82P2282
E1 Alarm Criteria Control (0BCH, 1BCH)
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, 1C2H)
UPDAT:
AUTOUPD:
Programming Information
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
318
DUAL T1/E1/J1 LONG HAUL / SHORT HAUL TRANSCEIVER
3
3
2
2
UPDAT
AISC
R/W
R/W
1
0
1
0
October 7, 2003
AUTOUPD
RAIC
R/W
R/W
0
0
0
0
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