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參數資料
| 型號： | T7296 |
| 廠商： | Lineage Power |
| 英文描述： | Integrated Line Transmitter(集成PCM線傳送器) |
| 中文描述： | 綜合線變送器（集成的PCM線傳送器） |
| 文件頁數： | 8/16頁 |
| 文件大小： | 396K |
| 代理商： | T7296 |
T7296 DS3/STS-1/E3
Integrated Line Transmitter
Data Sheet
February 2000
8
Lucent Technologies Inc.
STS-1 Signal Requirements at the STSX-1
For STS-1 operation, pulse characteristics are specified at the STSX-1, which is an interconnection and test point
referred to as the cross connect. The cross connect exists at the point where the transmitted signal reaches the dis-
tribution frame jack. The T7296 can transmit through 450 ft. of 728A cable to the STSX-1 in STS-1 mode. An iso-
lated pulse template is specified per ANSI T1.102 standards (see Figure 6). The pulse transmitted by the T7296
meets this template.
Table 5. STSX-1 Interconnection Specification
Table 6. Pulse Template Boundaries for ANSI T1.102
(See Figure 6.)
5-3755(C)r.1
Figure 6. STSX-1 Isolated Pulse Template for ANSI T1.102
Parameter
Line Rate
Line Code
Test Load
Power Levels
Specification
51.84 Mbits/s.
Bipolar with three-0 substitution (B3ZS).
75
± 5%.
A wide-band power level measurement at the STSX-1 interface using a low-pass filter with a
3 dB cutoff frequency of at least 200 MHz is within –2.7 dBm and 4.7 dBm.
Lower Curve
Upper Curve
Time
Equation
Time
Equation
–0.85
≤
T
≤
–0.38
–0.03
–0.85
≤
T
≤
–0.68
+0.03
–0.38
≤
T
≤
+0.36
– 0.03
–0.68
≤
T
≤
+0.26
+ 0.03
+0.36
≤
T
≤
+1.4
–0.03
+0.26
≤
T
≤
+1.4
0.1 + 0.61e
–2.4[T – 0.26]
0.5 1
π
2
sin
+
1
0.18
+
0.5 1
π
2
sin
+
1
0.34
+
0.8
1.2
0.6
0.2
0.0
–0.2
–1.0
–0.5
0
0.5
1.0
1.5
N
TIME SLOTS—NORMALIZED TO PEAK LOCATION
0.4
1.0
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