ATL Telecom AM2048 - Manual (Page 48)

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telecom USER GUIDE AM768A/AM2048A
48
Issue 8
V.35 Cables - Potential Problem Lengths
Cable Delay per metre (ns) 6
Driver Delay (ns) 50
Logic Delay (ns) 23
N Data Rate Bit Period Max Delay 1st Length 2nd Length
kbps ns ns
m m
1 64 15625 3795 632.5 1302.1 1934.5
2 128 7813 1842 306.9 651.0 958.0
3
192 5208 1191
198.4
434.0
632.5
4
256 3906 865
144.2
325.5
469.7
5 320 3125 670 111.6 260.4 372.0
6
384 2604 540
89.9
217.0
306.9
7
448 2232 447
74.4
186.0
260.4
8 512 1953 377 62.8 162.8 225.6
9
576 1736 323
53.8
144.7
198.4
10
640 1563 279
46.5
130.2
176.7
11
704 1420 244
40.6
118.4
159.0
12
768 1302 214
35.7
108.5
144.2
13
832 1202 189
31.5
100.2
131.7
14
896 1116 168
27.9
93.0
120.9
15
960 1042 149
24.8
86.8
111.6
16
1024 977 133
22.1
81.4
103.5
17
1088 919 118
19.7
76.6
96.3
18 1152 868 106 17.6 72.3 89.9
19
1216 822 94
15.7
68.5
84.2
20
1280 781 84
14.0
65.1
79.1
21 1344 744 75 12.4 62.0 74.4
22
1408 710 66
11.0
59.2
70.2
23
1472 679 58
9.7
56.6
66.3
24 1536 651 51 8.5 54.3 62.8
25
1600 625 45
7.5
52.1
59.5
26
1664 601 39
6.5
50.1
56.5
27 1728 579 33 5.5 48.2 53.8
28 1792 558 28 4.7 46.5 51.2
29
1856 539 23
3.9
44.9
48.8
30 1920 521 19 3.1 43.4 46.5
31 1984 504 15 2.4 42.0 44.4
32
2048 488 11
1.8
40.7
42.5