Telephone
Unshielded Twisted-Pair (UTP)
The first distance is on 22 gauge cable, then 24, then 26 for each phone.
AWG22
(0.65mm)
AWG24
(0.5mm)
AWG26
(0.4mm)
2400/5400 Series
1200m/3937'.
1000m/3280'.
670m/2200'.
4406D Phone
1000m/3280'.
1000m/3280'.
400m/1310'.
4412D Phone
1000m/3280'.
700m/2295'.
400m/1310'.
4424D
500m/1640'.
500m/1640'.
400m/1310'.
6400 Series
1000m/3280'.
1000m/3280'.
400m/1310'.
T3 Series (Upn)
1000m/3280'.
1000m/3280'.
400m/1310'.
Analog Phones
1000m/3280'.
1000m/ 3280'.
400m/1640'.