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f:\standard ioms - current release\42004 instr. manuals\42004-397g.doc
11/09
Power
Power-Over-Ethernet (POE)
Connect power to the system as indicated in your POE equipment manual.
Local Power
When POE is not available, this telephone can operate from a local 48 V dc power source. A removable
terminal block P11 has been provided for connection of local power to the telephone. Connect the
positive conductor to the (+) terminal and the negative conductor to the (-) terminal of P11.
Ground
The enclosure of each phone must be connected to earth ground. Install a #6 ring lug on the ground
conductor prior to connection to the ground screw located on the rear of the front panel.
Network Cable
Connect a Cat5 or Cat5e UTP cable with an RJ45 connector between the Local Area Network (LAN) and
the VoIP PCBA.
I/O
Inputs
Four auxiliary inputs have been provided for customer use. Terminations for these inputs are provided on
terminal block TB1. Connect each input between the desired input (INPUT 1-4) and common (COM) on
terminal block TB1. Please refer to the Inputs section of Pub. 42004-396 for programming instructions
for these inputs.
Outputs
Two outputs have been provided for customer use. Terminations for these outputs are provided on
connector P1. Output 1 is a single pole, N.O. contact. Output 2 is a single pole with both a N.O. and
N.C. contact. Please refer to the Outputs section of Pub. 42004-396 for programming instructions for
these outputs.
Recommended Cabling
Table 1. Recommended Cabling
Cable Use
Size
LAN
Cat5 or Cat5e UTP cable with an RJ45 connector
Power
2-conductor, No. 22 AWG is typical
Inputs
2-conductor, No. 22 AWG is typical
Output contacts
2 or 3-conductor, No. 18 AWG is typical
