T7256 Agere Systems, T7256 Datasheet - Page 50

• Manufacturer Part Number: T7256
• Description: (T7234 - T7256) Compliance
• Manufacturer: Agere Systems

T7234 Single-Chip NT1 (SCNT1) Euro-LITE Transceiver
Questions and Answers
S/T-Interface
A34: (continued)
* Refer to the T7250 data sheet, Figure F-10 for an example of a switch circuit that can be used here.
46
T7250C
T7234
TNR
TNR
TPR
TPR
10
10
75
75
D10
Figure 23. T7250C to T7234 Direct-Connect Scheme with External S/T-Interface
(continued)
D9
D1
D5
D7
D3
D2
D6
D8
D4
(continued)
46.5
46.5
46.5
46.5
6.8 V
6.8 V
ZD1
ZD2
0.1 F
*
10 k
10 k
10 k
10 k
2.5:1
2.5:1
T2
T1
RPR
RPR
RNR
RNR
T7250C
T7234
JMP1
100
JMP3
100
JMP2
100
JMP4
100
Lucent Technologies Inc.
February 1998
T3
Data Sheet
RJ-45
5-4727
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