參數(shù)資料
型號: XRT86VL34IB
廠商: Exar Corporation
文件頁數(shù): 72/155頁
文件大?。?/td> 0K
描述: IC LIU/FRAMER T1/E1/J1 4CH 225BG
標(biāo)準(zhǔn)包裝: 84
控制器類型: T1/E1/J1 調(diào)幀器,LIU
電源電壓: 3.3V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 225-BGA
供應(yīng)商設(shè)備封裝: 225-BGA(19x19)
包裝: 托盤
XRT86VL34
18
REV. V1.2.1
QUAD T1/E1/J1 FRAMER/LIU COMBO - T1 REGISTER DESCRIPTION
3-2
Transmit AIS
Pattern
Select[1:0]
R/W
00
Transmit AIS Pattern Select[1:0]:
These two bits permit the user to do the following.
1. To select the appropriate AIS Pattern that the Transmit T1 Framer block will
transmit to the remote terminal equipment, and
2. To command (via Software Control) the Transmit T1 Framer block to transmit
that particular AIS Pattern to the remote terminal equipment, as depicted below.
NOTE: For normal operation (e.g., to configure the Transmit T1 Framer block to
transmit normal T1 traffic) the user should set this bit to “[X, 0]”
1-0
AIS Defect
Declaration
Criteria [1:0]
R/W
00
AIS Defect Declaration Criteria[1:0]:
These bits permit the user to specify the types of AIS Patterns that the Receive T1
Framer block must detect before it will declare the AIS defect condition.
TABLE 5: ALARM GENERATION REGISTER (AGR)
HEX ADDRESS: 0Xn108
BIT
FUNCTION
TYPE DEFAULT
DESCRIPTION-OPERATION
AISG[1:0]
TYPES OF AIS PATTERNS TRANSMITTED
00/10
Disable AIS Alarm Generation
The Transmit T1 Framer block will transmit “normal” T1
traffic to the remote terminal equipment.
01
Enable Unframed AIS Alarm Generation
Transmit T1 Framer block will transmit an Unframed All
Ones Pattern, as an AIS Pattern.
11
Enable Framed AIS Alarm Generation
Transmit T1 Framer block will transmit a Framed, All
Ones Pattern, as the AIS Pattern.
AISD[1:0]
AIS Defect Declaration Criteria
00/10
AIS Detection Disabled
AIS Defect Condition will NOT be declared.
01
Enable Unframed and Framed AIS Alarm Detection
ReceiveT1 Framer block will detect both Unframed and
Framed AIS pattern
11
Enable Framed AIS Alarm Detection
Receive T1 Framer block will detect only Framed AIS pat-
tern
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