Maximum Cabling Distances - Panasonic DBS-576 Technical Manual

  
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Maximum Cabling Distances

Loop Type Resistance
Key Telephone, EM/24
DSS/72
SLT
Doorphone (loop between the
DBS 576 and Doorphone
Adapters)
Doorphone (loop between the
Doorphone Adapter and the
Doorphone)
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.


76 Chapter 6 - Specifications
Resistance Cable Gauge (AWG)
40 Ohms
20 Ohms
100 Ohms
10 Ohms
10 Ohms
Maximum Cabling Length in Feet
(distance from the DBS 576)
22
24
26
22
24
26
22
24
26
22
24
26
22
24
26
1239
779
490
619
330
245
3097
1948
1225
309
194
122
1239
779
490