Avaya IP Office Phone Manual Do Utilizador

Provision is made for both protective ground (earthing) and functional ground (earthing). 
In addition, where the installation of telephone and/or other standard (tip/ring) devices in 
another building is required, In-Range-Out-Of-Building (IROB) protectors must be fitted 
(see page 36). 
 

A protective ground must be permanently fitted to IP400 Analog Trunk 16 modules (see 
page 27). Connection of this protective ground requires the use of suitable tools and must 
be connected at both ends before connection is made to the telecommunications 
network. 
To connect the protective ground: 
1.  Attached one end of a #14 AWG (minimum) solid insulated cable (sleeve must be 

green/yellow) to the Protective Ground Point as shown below.  
Ensure that the Ground Post securing screw is fully tightened. 

 

(M4 pan head screw with shakeproof washer)

EXPANSION

PF2

PF1

Analog Trunk 16 Module 
(Rear view) 

 

 

2.  Connect, using a fastening that satisfies local regulations, the other end of the wire to 

the approved protective ground. 

 

To ensure proper operation of the IP Office equipment, functional grounding is required: 
Caution:   This functional ground is not a protective ground – see above for protective 

grounding. 

 
On some models of the units/expansion modules, there may not be a specific M4 
functional ground point. In which case use either the Trunk module kit fixing screw or the 
top cover centre fixing screw as shown below: 

 

Use this M3 grounding screw, with int.

teeth washer, when M4 is not fitted

M4 pan head screw with shakeproof washer 

ANALOG TRUNK 

1          2         3         4 

Use centre cover fixing screw, 

when M4 is not fitted

 

 

To connect the functional ground: 
1.  Attached one end of a #14 AWG (minimum) solid insulated cable (sleeve must not be 

green/yellow) to the grounding screw and fully tightened. 

2.  Connect, using a fastening that satisfies local regulations, the other end of the wire to 

the approved ground, such as building steel or an earthed metal cold water pipe.