Owner manual

CS61584A
DS261PP5 17
DS261PP5
500
1.0
0.5
0
-0.5
0 250 750 1000
NORMALIZED
AMPLITUDE
ANSI T1.102
SPECIFICATION
CS61584A
OUTPUT
PULSE SHAPE
TIME (nanoseconds)
Figure 14. Typical Pulse Shape at DSX-1 Cross Connect
269 ns
244 ns
194 ns
219 ns
488 ns
Nominal Puls
e
0
10
50
80
90
100
110
120
-10
-20
Percent of
nominal
peak
voltage
G.703
Specification
Figure 15. Mask of the Pulse at the 2048 kbps Interface
C
O
N
3
C
O
N
2
C
O
N
1
C
O
N
0
Transmit Pulse
Width at 50%
Amplitude
Transmit Pulse Shape Receiver
Slicing
Level
Line Code
Encoder /
Decoder
0000 244ns (50%) E1: square, 2.37 V into 75Ω 50% AMI/HDB3
1000 244ns (50%) Arbitrary E1 Wave into 75Ω 50% AMI/HDB3
0001 244ns (50%) E1: square, 2.37 V into 75Ω 50% AMI/HDB3
1001 244ns (50%) Arbitrary E1 Wave into 120Ω 50% AMI/HDB3
0010 350ns (54%) DSX-1: 0-133 ft. 65% AMI/B8ZS
0011 350ns (54%) DSX-1: 133-266 ft. 65% AMI/B8ZS
0100 350ns (54%) DSX-1: 266-399 ft. 65% AMI/B8ZS
0101 350ns (54%) DSX-1: 399-533 ft. 65% AMI/B8ZS
0110 350ns (54%) DSX-1: 533-655 ft. 65% AMI/B8ZS
1010 350ns (54%) Arbitrary DSX-1 Waveform 65% AMI/B8ZS
0111 324ns (50%) DS1: FCC Part 68 Option A with undershoot 65% AMI/B8ZS
1100 324ns (50%) DS1: FCC Part 68 Option A (0 dB) 65% AMI/B8ZS
1011 324ns (50%) Arbitrary DS1 Waveform 65% AMI/B8ZS
1101 Reserved
1110 Transmit Hi Z Tristate TTIP/TRING Driver Outputs 50% AMI/HDB3
1111 Transmit Hi Z Tristate TTIP/TRING Driver Outputs 65% AMI/B8ZS
Table 1. Line Configuration Selections
CS61584A
DS261F1 17