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4.0 INSTALLATION
Once the Model 1053 has been configured, it is ready to connect to the
twisted pair interface, the serial port, and the power source. This section
tells you how to make these connections.
Figure 3.
Model 1053 Rear Panel
4.1 CONNECTING THE TWISTED PAIR INTERFACE
The Model 1053 supports communication between two DTE devices at
distances to 5 miles (8 km) over 24 AWG (0.5 mm) twisted pair wire. Two
things are essential:
• These units work in pairs. Both units at the end of the twisted pair DSL
span must be set for the same DTE rate.
• To function properly, the Model 1053 needs one twisted pair of metallic
wire. This twisted pair must be unconditioned, dry, metallic wire,
between 19 (0.9 mm) and 26 AWG (0.4 mm) (the higher number
gauges will limit distance). Standard dial-up telephone circuits, or
leased circuits that run through signal equalization equipment, or stan-
dard, flat modular telephone type cable, are not acceptable. The RJ-45
connector on the Model 1053’s twisted pair interface is polarity insensi-