參數(shù)資料
型號(hào)： T7121
廠商： Lineage Power
英文描述： HDLC Interface for ISDN (HIFI-64)(應(yīng)用于ISDN的HDLC（高階數(shù)據(jù)鏈路）接口)
中文描述： 為ISDN接口的HDLC（高保真- 64）（應(yīng)用于綜合業(yè)務(wù)數(shù)字網(wǎng)的的HDLC（高階數(shù)據(jù)鏈路）接口）
文件頁(yè)數(shù)： 18/68頁(yè)
文件大?。?/td> 685K
代理商： T7121
18
Lucent Technologies Inc.
Data Sheet
April 1997
T7121 HDLC Interface for ISDN (HIFI-64)
Functional Description
(continued)
5-5035
Note: abcdefgh are not the same as ABCDEFGH due to HDLC processing.
Figure 9. 16 kbits/s Operation, MSB First
a b c d e f g h
HDLC
3 3 3 3 3 3* H G
TRANSMIT FIFO
TRANSMITTER HDLC
PROCESSES LSB FIRST
FIRST BIT
TRANSMITTED
TIME-SLOT DATA
MSB
BIT 7
LSB
BIT 0
DIRECTION OF TRANSMISSION
TLBIT = 0
(TRANSMIT MSB FIRST)
a b c d e f g h
HDLC
RECEIVE FIFO
RECEIVER HDLC
EXPECTS LSB FIRST
MSB
BIT 7
LSB
BIT 0
DIRECTION OF RECEPTION
11000000
TBM7
TBM0
G
H
E
F
C
D
A
B
(R13) TRANSMITTER BIT MASK
3 3 3 3 3 3 F E
3 3 3 3 3 3 D C
3 3 3 3 3 3 B A
*3 = 3-STATE.
1ST TIME SLOT
2ND TIME SLOT
3RD TIME SLOT
4TH TIME SLOT
G H X X X X X X*
FIRST BIT RECEIVED
TIME-SLOT DATA
11000000
RBM7
RBM0
H
G
F
E
D
C
B
A
(R12) RECEIVER BIT MASK
E F X X X X X X
C D X X X X X X
A B X X X X X X
*X = DON'T CARE. THESE BITS
ARE IGNORED BY THE RECEIVER.
1ST TIME SLOT
2ND TIME SLOT
3RD TIME SLOT
4TH TIME SLOT
RLBIT = 0
(RECEIVE MSB FIRST)
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參數(shù)描述
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T7-121A5 制造商:OTTO 功能描述:Toggle Switches ON NONE OFF 1 Pole Standard Bat Handle 制造商:OTTO Engineering Inc 功能描述:Switch Toggle ON None OFF SPST Bat Toggle Screw 16A 115VAC 28VDC Panel Mount with Threads
T7-121B1 功能描述:撥動(dòng)開關(guān) ON NONE ON 1 Pole Standard Bat Handle RoHS:否 制造商:OTTO 觸點(diǎn)形式: 開關(guān)功能: 電流額定值: 電壓額定值 AC: 電壓額定值 DC: 功率額定值: 端接類型: 安裝風(fēng)格: 端子密封: 觸點(diǎn)電鍍: 照明:
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