參數(shù)資料
型號: XRT86VL34_07
廠商: Exar Corporation
元件分類: 通信及網(wǎng)絡(luò)
英文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
文件頁數(shù): 18/175頁
文件大?。?/td> 904K
代理商: XRT86VL34_07
XRT86VL34
13
QUAD T1/E1/J1 FRAMER/LIU COMBO - E1 REGISTER DESCRIPTION
REV. V1.2.0
86VL34
T
ABLE
3: F
RAMING
S
ELECT
R
EGISTER
(FSR) H
EX
A
DDRESS
: 0
X
n107
B
IT
F
UNCTION
T
YPE
D
EFAULT
D
ESCRIPTION
-O
PERATION
7
G.706 Annex B
CRC-4 Calcula-
tion Enable
R/W
0
G.706 Annex B CRC-4 Calculation Enable
This bit configures the E1 Receive Framer Block to be compliant with ITU-T
G.706 Annex B for CRC-to-non-CRC interworking detection. If Annex B is
enabled, G.706 Annex B CRC-4 multiframe alignment algorithm is imple-
mented. If CRC-4 alignment is enabled and not achieved in 400msec while
the basic frame alignment signal is present, it is assumed that the remote
end is a non CRC-4 equipment. A CRC-to-Non-CRC interworking interrupt
will be generated. The CRC-to-Non-CRC interworking interrupt Status can
be read from Register Address 0xnB0A.
0 - Configures the Receive E1 Framer block to NOT support the “G.706
Annex B” CRC-4 Multiframe Alignment algorithm.
1 - Configures the Receive E1 Framer block to support the “G.706 Annex B”
CRC-4 Multiframe Alignment algorithm.
6
Transmit CRC-4
Error
R/W
0
Transmit CRC-4 Error
This bit is used to force a continuous errored CRC pattern in the outbound
CRC multiframe to be sent on the transmission line. The Transmit E1
Framer Block will implement this error by inverting the value of CRC bit
(C1).
0 = Disables the Transmit E1 Framer Block to transmit errored CRC bit.
1 = Forces the Transmit E1 Framer Block to transmit continuous errored
CRC bit.
N
OTE
:
This bit is ignored if CRC multi-Framing is disabled.
相關(guān)PDF資料
PDF描述
XRT86VL34_1 Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
XRT86VL34 Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
XRT86VL34_2 Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
XRT86VL34IB Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
XRT86VL38_2 Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
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XRT86VL38 制造商:EXAR 制造商全稱:EXAR 功能描述:OCTAL T1/E1/J1 FRAMER/LIU COMBO - T1 REGISTER DESCRIPTION
XRT86VL38_07 制造商:EXAR 制造商全稱:EXAR 功能描述:OCTAL T1/E1/J1 FRAMER/LIU COMBO - E1 REGISTER DESCRIPTION