Pub. 42004-541A
Hands-free VoIP Telephone Manual
Page 18 of 24
P:\Standard IOMs - Current Release\42004 Instr. Manuals\42004-541A.docx
02/20
Field Wiring
Pull the required field cables into the rear enclosure and install the connections as indicated below (see
Figure 21).
N
OTE
:
Consult the National Electrical Code (NFPA 70), Canadian Standards Association (CSA 22.1),
and local codes for the specific requirements regarding your installation. Install all equipment
without modification and according to the local and national codes. Class 2 circuit wiring must
be performed in accordance with the NEC.
Recommended Cabling
Table 2. Recommended Cabling
Cable Use
Size and Type
Power
Two-conductor, No. 22 AWG is typical
Inputs
Two-conductor, No. 22 AWG is typical
Output contacts
Two-conductor, No. 18 AWG is typical
Antenna
RG58 coaxial cable
Figure 21. VoIP Telephone PCB Assembly