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The X1911/X1960/X1981 uses digital trunk cables, high-density user cables, and AC power cables.
Digital Trunk Cable
The X1911/X1960/X1981 uses digital trunk cables to connect various inter-office trunk devices. Table 1 shows a digital trunk cable.
Table 1 Digital trunk cables
Name |
Picture |
E1 trunk cable |
Figure 1 1E1 trunk cable
Figure 2 2E1 trunk cable
|
75-120-ohm transfer box |
This transfer box converts 75-ohm unbalanced E1 signals to 120-ohm balanced E1 signals for connection using E1 trunks. |
T1 trunk cable |
Figure 3 1T1 trunk cable
Figure 4 2T1 trunk cable
|
High-Density User Cable
Analog phones use high-density user cables to connect to FXS ports of the X1911/X1960/X1981. Figure 5 shows a high-density user cable.
Figure 5 High-density user cable
Power Cable
If AC power supplie is used, the AC power cable shown in Figure 7 must be used.
Figure 7 AC power cable
Parent Topic: X1911/X1960/X1981 Product Architecture