2.7  

Interface-to-Interface Ranges 
 

Telephone interface-to-interface ranges  

 Table 2-60   Telephone Interface-to-Interface Ranges (with J-Y (ST) 2x2x0.6, 0.6 mm diameter)
 Telephone Interfaces  
 Range in m  
 Loop resistance in ohms  
ISDN-S0 point-to-point  
 < 600  
 156  
ISDN S0 extended bus connection  
 < 400  
 104  
ISDN S0 bus connection1  
 < 60
for the HiPath 3800 board STMD3 (Q2217)  
 < 120
for all other S0 boards  
 21  
ISDN-S0 wall outlet to terminal  
 < 10  
 -  
Analog users  
 < 2000  
 520  
UP0/E exchange to host (master)  
 < 1000  
 230  
UP0/E host to client (master/slave)  
 < 100  
 23  
1Board-specific

Trunk connection and CorNet N/CorNet NQ ranges  
The table below provides the maximum cable lengths for direct trunk connection and direct CorNet N/CorNet NQ Direct Wiring. The values apply to ideal conditions, which means there can be no joints, etc. The real conditions must be measured on-site.

 Table 2-61   Cable Lengths for Trunk Connection and Direct CorNet N/CorNet NQ Direct Wiring
 Interface  
 Cable  
 Diameter  
 Attenuation per km  
 Max. Cable Length  
S0  
ICCS cable
J-2Y(ST)Y4x2x0.51 LG ICCS Data5  
 0.51 mm  
 7,5 dB
at 96 kHz  
 800 m  
Installation cable
J-2Y(ST)Y 10x2x0.6 ST III BD  
 0.6 mm  
 6.0 dB
at 96 kHz  
 1000 m  
S2M  
A-2Y0F(L)2Y 10x2x0.6 (full PE insulation, filled)  
 0.6 mm  
 17 dB
at 1 MHz  
 350 m