參數(shù)資料
型號: T7256A
英文描述: Compliance with the New ETSI PSD Requirement
中文描述: 符合新的ETSI PSD的要求
文件頁數(shù): 101/116頁
文件大小: 1056K
代理商: T7256A
Data Sheet
January 1998
T7256 Single-Chip NT1 (SCNT1) Transceiver
Lucent Technologies Inc.
97
Questions and Answers
(continued)
S/T-Interface
(continued)
A36:
(continued)
5-4728
* Refer to the T7903 data sheet, Figure F-10 for an example of a switch circuit that can be used here.
Figure 39. T7903 to T7256 Direct-Connect Scheme with External S/T-Interface
ZD1
T1
2.0:1
100
100
JMP1
T3
2
3
4
1
5
6
7
8
RJ-45
ZD2
167
JMP3
10
5
10
5
143
10
143
10
D1
D3
D4
D2
D5
D7
D8
D6
100
6.8 V
6.8 V
0.1
μ
F
T2
2.0:1
JMP2
JMP4
T7256
T7903
RPR
RNR
T7903
T7256
NPx_PT
NPx_NT
TPR
TNR
10 k
10 k
10 k
10 k
NPx_PR
NPx_NR
*
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