Siemens SINAUT ST7 - Page 155

Technical Data
6NH7811-0AA22 © Siemens AG 2002 All Rights Reserved
6-6 MD2 Modem (07/2002)
Maximum Range (km)
Table 6-3 Maximum range in relation to the transmission speed with 4dB level reserve.
Standard values for non-coil-loaded telecommunication lines of type
2 x 2 x A J-Y(St)Y (A = core diameter in mm).
Maximum range (km)
Send level –6 dB
*)
Send level 0 dB
*)
Transmission
speed (bps)
with LTOP
without
LTOP
with LTOP
without
LTOP
Core diameter 0.6 mm
1200 21.4 – NTP x 0.8 22 – NTP x 0.3 25.4 – NTP x 0.8 26 – NTP x 0.3
2400 17.4 – NTP x 0.6 17.8 – NTP x 0.2 20.6 – NTP x 0.6 21 – NTP x 0.2
9600 / 19200 6.7 – NTP x 1.0 7.6 – NTP x 0.1 8.1 – NTP x 1.0 9 – NTP x 0.1
Core diameter 0.8 mm
1200 28 – NTP x 1.1 28.7 – NTP x 0.4 33.2 – NTP x 1.1 33.9 – NTP x 0.4
2400 23 – NTP x 0.8 23.5 – NTP x 0.2 27.2 – NTP x 0.8 27.8 – NTP x 0.2
9600 / 19200 9.0 – NTP x 1.4 10.3 – NTP x 0.1 10.9 – NTP x 1.4 12.1 – NTP x 0.1
Core diameter 0.9 mm
1200 35.7 – NTP x 1.4 36.6 – NTP x 0.5 42.4 – NTP x 1.4 43.3 – NTP x 0.5
2400 29.2 – NTP x 1.0 30 – NTP x 0.2 34.7 – NTP x 1.0 35.4 – NTP x 0.2
9600 / 19200 11.1 – NTP x 1.7 12.6 – NTP x 0.1 13.4 – NTP x 1.7 15 – NTP x 0.1
Core diameter 1.2 mm
1200 49.5 – NTP x 1.9 50.7 – NTP x 0.7 58.7 – NTP x 1.9 60 – NTP x 0.7
2400 42.9 – NTP x 1.4 44 – NTP x 0.3 50.9 – NTP x 1.4 52 – NTP x 0.3
9600 / 19200 16.1 – NTP x 2.4 18.3 – NTP x 0.2 19.4 – NTP x 2.4 21.6 – NTP x 0.2
Core diameter 1.4 mm
1200 58.5– NTP x 2.2 60 – NTP x 0.8 69.4 – NTP x 2.2 70.9 – NTP x 0.8
2400 53.6 – NTP x 1.7 55 – NTP x 0.4 63.6 – NTP x 1.7 65 – NTP x 0.4
9600 / 19200 19.3 – NTP x 2.9 22 – NTP x 0.2 23.3 – NTP x 2.9 26 – NTP x 0.2
NTP = number of tapping points
*) not permitted on telecom leased lines. Set send level to –9 dB.