參數(shù)資料
型號: XRT86VL34_07
廠商: Exar Corporation
元件分類: 通信及網(wǎng)絡
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): 64/175頁
文件大小: 904K
代理商: XRT86VL34_07
XRT86VL34
59
QUAD T1/E1/J1 FRAMER/LIU COMBO - E1 REGISTER DESCRIPTION
REV. V1.2.0
2
LB1ENB
R/W
0
Local Loopback 1 auto enable
This bit enables or disables local loopback mode when the National
bits (Sa5, Sa6) and the A bit (remote alarm bit) received from the
transmit backplane interface follows a specific pattern.
Local loopback is activated when the National Bits (Sa5, Sa 6) and
A bit (remote alarm bit) follow the following pattern from the transmit
serial input. (TxSER_n pin)
Sa5 = 00000000 occur for 8 consecutive times
Sa6 = 11111111 occur for 8 consecutive times
A = 11111111 occur for 8 consecutive times
N
OTE
:
This feature only works if Sa bits are provided from the
transmit serial input pin (TxSER_n)
1
LB2ENB
R/W
0
Local Loopback 2 auto enable
This bit enables or disables local loopback mode when the National
bits (Sa5, Sa6) received from the transmit backplane interface fol-
lows a specific pattern.
Local loopback is activated when the National Bits (Sa5, Sa 6) and
A bit (remote alarm bit) follow the following pattern from the transmit
serial input. (TxSER_n pin)
Sa5 = 00000000 occur for 8 consecutive times, and
Sa6 = 10101010 occur for 8 consecutive times, and
A = 11111111 occur for 8 consecutive times
N
OTE
:
This feature only works if Sa bits are provided from the
transmit serial input pin (TxSER_n)
0
LBRENB
R/W
0
Local Loopback release enable
This bit releases the local loopback mode when the National bits
(Sa5, Sa6) received from the transmit backplane interface follows a
specific pattern.
Local loopback is released when the National Bits (Sa5, Sa 6) follow
the following pattern from the transmit serial input. (TxSER_n pin)
Sa5 = 00000000 occur for 8 consecutive times
Sa6 = 00000000 occur for 8 consecutive times
N
OTE
:
This feature only works if Sa bits are provided from the
transmit serial input pin (TxSER_n)
T
ABLE
39: T
RANSMIT
Sa S
ELECT
R
EGISTER
(TSASR) H
EX
A
DDRESS
: 0
XN
130
B
IT
F
UNCTION
T
YPE
D
EFAULT
D
ESCRIPTION
-O
PERATION
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