參數(shù)資料
型號： T9000
英文描述： ISDN Network Termination Node (NTN) Device
中文描述： ISDN網(wǎng)絡終端節(jié)點（新界北）設備
文件頁數(shù)： 36/126頁
文件大?。?/td> 2127K
代理商： T9000
36
Lucent Technologies Inc.
Preliminary Data Sheet
November 2000
ISDN Network Termination Node (NTN) Device
T9000
7 Transmission Superblock
(continued)
7.6 DFAC Register Set
(continued)
Table 24.
UCR0: U-Interface Control Register #0 (0x07)
(continued)
Table 25. UCR1: U-Interface Control Register #1 (0x08)
Bit #
Symbol
Name/Description
0
ISTP
Initiate Start-Up.
Setting this bit to 1 initiates a start-up sequence on the U-interface. After the activation
attempt, this bit is internally cleared to 0, automatically.
0: No effect on device operation.
1: Attempt one U activation.
Reg
UCR1
RESET
R/W
R/W
Default
Bit 7
R64T
1
Bit 6
R25T
1
Bit 5
R16T
1
Bit 4
R15T
1
Bit 3
Bit 2
ULLBK
0
Bit 1
Bit 0
USSP_E
0
ULBKMUX
0
USPMAG
0
Bit #
7
6
5—4
3
Symbol
R64T
R25T
R[16:15]T
ULBKMUX
Name/Description
Transmit Reserved Bit.
Controls upstream U-interface overhead bit R64.
Transmit Reserved Bit.
Controls upstream U-interface overhead bit R25.
Transmit Reserved Bits.
Controls upstream U-interface overhead bits R16 and R15.
U-Interface Local Loopback MUX.
Controls the point at which the U-interface local
loopback takes place when the ULLBK bit (see below) is asserted.
0: U local loopback occurs at the line interface (line must be disconnected during this
operation).
1: U local loopback occurs at the interface between the digital and analog section
of the U block. Line need not be disconnected during this operation.
U-Interface Local Loopback.
Controls loopback of U-interface data stream at either the
line interface or the digital-to-analog boundary in the U block, depending on the ULBK-
MUX bit (see above). ULLBK turns off the echo canceller and reconfigures the receive
scrambler to match the transmit scrambler. If ULBKMUX = 0, the line should be discon-
nected prior to asserting ULLBK. This ensures that a sufficiently large echo is generated
so that the device can detect the echo as received data and synchronize to it.
2
ULLBK
0: No effect on device operation.
1: U-interface local loopback.
U Single Pulse Magnitude.
Controls the
magnitude of the pulse transmitted on the
U-interface when the device is in the U send single pulse test mode (see USSP_E bit
below).
1
USPMAG
0: Transmit ±3 pulses.
1: Transmit ±1 pulses.
U Send Single Pulse Enable.
Test mode that causes the U-interface to continuously
transmit single 2B1Q pulses on the U-interface. The pulses occur at a rate of 1 pulse per
125
μ
s and alternate between positive and negative polarity. The magnitude of the
pulses is controlled by USPMAG (see above).
0
USSP_E
0: No effect on device operation.
1: Send single pulses on the U-interface.
相關PDF資料
PDF描述
T9021 TELECOMMUNICATIONS PRODUCTS
T9030 TELECOMMUNICATIONS PRODUCTS
T90FJR Dual Common Interface Hardware Controller- CIMax
T919N PHASE CONTROL THYRISTORS
T9790U CMOS 1 CHIP LSI FOR LCD ELECTRONIC CALCULATOR
相關代理商/技術參數(shù)
參數(shù)描述
T9001 功能描述:罩類、盒類及殼類產(chǎn)品 15x14x3-1/2(3.13cf) 1 Compartment RoHS:否 制造商:Bud Industries 產(chǎn)品:Boxes 外部深度:6.35 mm 外部寬度:6.35 mm 外部高度:2.56 mm NEMA 額定值: IP 等級: 材料:Acrylonitrile Butadiene Styrene (ABS) 顏色:Red
T9006 功能描述:罩類、盒類及殼類產(chǎn)品 15 x 14 x 3-1/2 (2.96cf) RoHS:否 制造商:Bud Industries 產(chǎn)品:Boxes 外部深度:6.35 mm 外部寬度:6.35 mm 外部高度:2.56 mm NEMA 額定值: IP 等級: 材料:Acrylonitrile Butadiene Styrene (ABS) 顏色:Red
T9007 功能描述:罩類、盒類及殼類產(chǎn)品 13 1/8 x 13 1/8 x 3" 6 COMPARTMENTS RoHS:否 制造商:Bud Industries 產(chǎn)品:Boxes 外部深度:6.35 mm 外部寬度:6.35 mm 外部高度:2.56 mm NEMA 額定值: IP 等級: 材料:Acrylonitrile Butadiene Styrene (ABS) 顏色:Red
T9008 制造商:Nortools International Ltd 功能描述:HSS METRIC DIE SET,M3-M12
T900BK 功能描述:罩類、盒類及殼類產(chǎn)品 of Box Dividers Clear RoHS:否 制造商:Bud Industries 產(chǎn)品:Boxes 外部深度:6.35 mm 外部寬度:6.35 mm 外部高度:2.56 mm NEMA 額定值: IP 等級: 材料:Acrylonitrile Butadiene Styrene (ABS) 顏色:Red
發(fā)布緊急采購，3分鐘左右您將得到回復。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*