Maintenance and Specifications 8
Specifications
Length Test
Table 8-4 shows the specifications for the length test.
Table 8-4. Length Test Specifications
Range
Resolution
Accuracy
Range
Resolution
Accuracy
Twisted Pair cable
0 to 328 ft (100m)
1 ft or 0.1m
±(1 ft (.3m) + 2% of reading) 328 to 2500 ft (762m)
1ft or 0.1m
±(1 ft (.3m) + 4% of reading)
Coax
0 to 328 ft (100m)
1 ft or 0.1m
±(1 ft (.3m) + 2% of reading) 328 to 4000 ft (1219m)
1ft or 0.1m
±(1 ft (.3m) + 4% of reading)
Note
Specifications are relative to calibrated value using a representative reference cable. Variations occur because of variations in the cable manufacturing process.
Propagation Delay Test
Table 8-5 shows the specifications for the propagation delay test.
Table 8-5. Propagation Delay Test Specifications
Range
Resolution
Accuracy
Range
Resolution
Accuracy
Twisted Pair cable
0 to 500 ns
1 ns
±(2 ns + 2% of reading)
500 to 3800 ns
1 ns
±(2 ns + 4% of reading)
Coax
0 to 500 ns
1 ns
±(2 ns + 2% of reading)
500 to 6000 ns
1 ns
±(2 ns + 4% of reading)
