GENERAL DESCRIPTION

ICX-35-200 ICX35/May/1999 83
Section 200 - General Description Chapter 6 - Specifications
Cabling Specifications
Maximum Cabling Distances
Loop Type Resistance Resistance Cable Gauge (AWG)
Maximum Cabling Length in Feet
(distance from the ICX)
Key Telephone, EM/24 40 Ohms 22 1239
24 779
26 490
DSS/72 20 Ohms 22 619
24 330
26 245
SLT 100 Ohms 22 3097
24 1948
26 1225
Doorphone (loop between the
ICX and Doorphone Adapters)
10 Ohms 22 309
24 194
26 122
Doorphone (loop between the
Doorphone Adapter and the
Doorphone)
10 Ohms 22 1239
24 779
26 490
NOTE: If a TAPI box or Voice Response Telephone Adapter is installed with the telephone, the measured resistance must be
less than 20 Ohms and the maximum cabling distance reduced in half compared to a standard key telephone.