Aastra 9090 Instrukcja Użytkownika Pobierz pdf (Strona 8)

MOBILE AND FIXED REMOTE EXTENSION, RE

8 1/1531-ANF 901 14 Uen C3 2012-10-01

5 Dimensioning

The following table shows the recommended number of SPU4 boards

per trunk ports per remote extension initiated in the system for a 1%

grade of service, with several values of traffic call rate from remote

extensions.

Table 1 Dimensioning Table

No. of

SPU4

boards

per

TLU76

trunk

ports

No. of

SPU4

boards

per

TLU77

trunk

ports

Traffic call rate for remote extension

(Erlang)

0.25 0.2 * 0.15 0.1 0.05

1 / 30 1 / 23 80 100 130 200 400

2 / 60 2 / 46 190 240 310 480 900

3 / 90 3 / 69 300 380 500 750 1000

4 / 120 4 / 92 410 520 690 1030 2060

5 / 150 5 / 115 530 660 880 1320 2630

6 / 180 6 / 138 650 810 1070 1610 3210

7 / 210 7 / 161 760 950 1270 1900 3790

8 / 240 8 / 184 880 1100 1460 2190 4380

9 / 270 9 / 207 1000 1240 1660 2480 4960

10 / 300 10 / 230 1110 1390 1850 2780 5550

11 / 330 11 / 253 1230 1540 2050 3070 6140

12 / 360 12 / 276 1350 1690 2250 3370 6720

13 / 390 13 / 299 1470 1830 2440 3660 7320

14 / 420 14 / 322 1590 1980 2640 3960 7910

15 / 450 15 / 345 1710 2130 2840 4250 8500

1 2 3 4 5 6 7 8 9 10 11 12

Brak uwag

Aastra 9090 Instrukcja Użytkownika Strona 8