Pub. 42004-547A
NEMA 4X VoIP Telephones
Page 9 of 17
P:\Standard IOMs - Current Release\42004 Instr. Manuals\42004-547A.docx
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Recommended Cable
Table 2. Recommended Cable
Cable Use
Size
LAN
Cat5 or Cat5e UTP cable with an RJ-45 connector
Power
Two-conductor, No. 18 AWG is typical
Inputs
Two-conductor, No. 22 AWG is typical
Output contacts
Two-conductor, No. 18 AWG is typical
Power
Ground
These enclosures must be connected to earth ground:
1.
Install a #6 ring lug on the ground conductor.
1.
Secure the ground conductor to the ground terminal, located in the upper right corner in the rear of the
enclosure (see Figure 5).
PoE (Power over Ethernet)
Connect power to the system as indicated in the POE equipment manual. (Power Mode A, Class 0)
Local Power
A separate, isolated, 24 to 48-volt dc power supply is required when PoE is not available (see Table 7 on
Page 16 for the recommended optional plug-in power supply). Connect the local 24–48 V dc power
source to removable terminal block,
P5
(see Figure 6), on the VoIP Carrier PCBA.
1.
Install ferrules or tin the wire ends.
2.
Connect the positive conductor to the (+) terminal of
P5
.
3.
Connect the negative conductor to the (−) terminal of
P5
.
4.
Install the removable terminal block onto pin header
P5
, on the VoIP carrier PCBA.
Table 3. Power
—
P5
Pin
Label
Description
1
(+)
Positive
2
(−)
Negative
Network Cable
Connect the Category 5 or better UTP Ethernet cable with an RJ45 connector from the LAN to the
Ethernet jack, located on the underside of the VoIP PCBA (see Figure 6).
