NEC Infoset 408 System Manual

Issue 1AInfoSet 408
2 - 2Installation
1.2 Opening the KSU and Attaching the Batteries
The two batteries, located in the lower left corner of the KSU, provide
complete system backup power for approximately 30 minutes during power
outages.  This provides backup for the entire system (the key system and
telephones) in case of a power outage. 
 It is important that these be
connected before the system is installed.
1. Remove the cover by loosening the two bottom screws with a Phillips
head screwdriver (the...

InfoSet 408Issue 1A
System Manual2 - 3     
3. Locate the lithium battery receptacle on the backplane of the KSU.
Using the provided battery, place it at an angle and push downward
and inward to install.  The battery should slide into place. 
      
Figure 2-2  Attaching the Backup Battery Connectors
Figure 2-3  Installing the Lithium Battery
Connect 
Batteries to 
Battery 
Terminals on 
KSU Power 
Supply
Lithium Battery
Push downward and 
inward 

Issue 1AInfoSet 408
2 - 4Installation 4. Locate the battery memory switch in the upper left side of the KSU.
Move the switch to the right toward the “HOLD” position.  
5. Replace the cover and tighten the screws.  
6. Turn the on/off switch on the KSU to the ON position.    
Figure 2-4  Setting the Battery Memory Switch
Battery Memory 
Switch
FLOW     

MEMORY
HOLD
CLEAR
Slide the switch to the right 
toward the HOLD position.
If you are wall mounting the KSU or want to install the speaker
relay...

InfoSet 408Issue 1A
System Manual2 - 5
1.3 Wall Mounting the KSU
A wall mounting template is provided with the KSU to help mark the
position of the KSU on the wall.
1. Use the wall mounting template to mark the position of the KSU on
the wall.  Be sure to select a sturdy wall (not metal).   
2. Insert two of the provided Phillips head wood screws into the wall.
Leave about 1/2” of the screw extruding from the wall.
3. If the cover has been replaced, remove the KSU cover by loosening
the two bottom screws...

Issue 1AInfoSet 408
2 - 6Installation 6. Attach the cover and tighten the screws.     
7. Using a standard RJ-11 cord (user-provided) attach the trunk lines
(ports) into the RJ-11 jacks marked 1 and 2.  This provides
connection to the telephone service provider.          
8. Using a standard RJ-11 cord (user-provided) connect the telephones
into RJ-11 jacks marked 1~5.  This connects your telephones to the
system.    
9. Plug the system into a standard wall outlet and turn the on/off switch
on the KSU to...

InfoSet 408Issue 1A
System Manual2 - 7
1.4 Installing the External Speaker Relay Cable
This cable allows you to connect a paging system with a power control
function that requires a relay contact.  The power ratings are:  24 Vdc. 1A
or 120 Vac,  0.5A.
1. Be sure the system is turned 
off during the installation process.
2. Remove the KSU cover by loosening the two bottom screws with a
Phillips head screwdriver (the screws remain in the cover to keep
from misplacing them).  Pull the cover away from the...

Issue 1AInfoSet 408
2 - 8Installation      
5. Locate the connector terminal labeled SP RLY on the KSU
backplane.  Insert the small white connector end of the speaker relay
cable into the connector terminal on the backplane.  Take the cables
and wrap them around the terminal post to the right of the terminal
connector.  
Figure 2-8  Attaching the Speaker Relay Cables
Slide RJ-11 connector 
into slotWrap cable around 
terminal post 

InfoSet 408Issue 1A
System Manual2 - 9      
6. Attach the cover and tighten the screws.    
7. Locate the RJ-11 jack (labeled SP RLY) located on the sideplane of
the KSU.  Attach one end of an RJ-11 cord (user-provided) into the
jack and attach the other end into an paging control system
(user-provided).   
8. Turn the on/off switch on the KSU to the ON position.
Figure 2-9  Inserting the Connector into the Terminal
Figure 2-10  Inserting the Telephone Cord into the Jack
Insert connector into 
connector...

Issue 1AInfoSet 408
2 - 10Installation
SECTION 2INSTALLING ELECTRONIC TELEPHONE UNITS
Electronic Telephone Units (ETUs) can be installed at the same time that the KSU
is initially installed or individually as needed.  The instructions for each individual
ETU assumes the unit is being installed at a later time, therefore, there are steps
which will not apply (i.e., turning the KSU off/on and removing the cover).  If
installing the unit(s) at the same time as the KSU, ignore the steps that are not...

InfoSet 408Issue 1A
System Manual2 - 11
   
5. Using a Phillips head screwdriver, secure the ESI board to the KSU
by tightening the screw. 
6. Attach the cover and tighten the screws.    
7. Using a standard RJ-11 cord (user-provided) connect the additional
telephones into RJ-11 jacks marked 6~8.   
8. Attach the other end of the RJ-11 cord into the telephones.
9. Turn the on/off switch on the KSU to the ON position.
Figure 2-11  Installing the ESI ETU into the KSU
Figure 2-12  Connecting the Telephones...