Pub. 42004-543A
Retrofit VoIP Telephones
Page 15 of 21
P:\Standard IOMs - Current Release\42004 Instr. Manuals\42004-543A.docx
03/20
Recommended Cabling
Table 2. Recommended Cabling
Cable Use
Size
LAN
Cat5 or Cat5e UTP cable with an RJ45 connector
Power
Two-conductor, No. 22 AWG is typical
Inputs
Two-conductor, No. 22 AWG is typical
Output contacts
Two or three-conductor, No. 18 AWG is typical
Figure 12. VoIP Telephone PCB Assembly