T7256 Agere Systems, T7256 Datasheet - Page 24

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

T7234 Single-Chip NT1 (SCNT1) Euro-LITE Transceiver
Application Briefs
T7234 Reference Circuit
Note: See Question/Answer section, #35.
20
TPR
TNR
RPR
RNR
D2
10 k
10 k
R16
75
75
R19
R17
R18
D3
D4
D5
D6
D7
D10
D11
D8
D9
VR3
VR4
(continued)
46.4
46.4
46.4
46.4
R23
R20
R21
R22
0.1 F
Figure 12. T7234 Stand-Alone Reference Circuit-B
C17
(continued)
S/T-INTERFACE CIRCUIT
16
15
14
13
12
11
10
9
PE65498
2.5:1
T2
1
2
3
4
5
6
7
8
100
100
R24
R25
1
2
1
2
JMP2
JMP3
R26
100
R27
100
4
3
2
1
PE65554
L1
Lucent Technologies Inc.
5
6
7
8
February 1998
Data Sheet
1
2
3
4
5
6
7
8
5-4047(C).a
RJ-45
J2