Specifications
ELMo 120 Multiplexer installation and testin
g
 2-27
Revision 2.01 ELMo 120 Multiplexer Installation and Maintenance Guide   08-01023-01
Task:
Testing voice connectivity
This procedure checks the voice connectivity in ELMo 120 Multiplexer 
voice/data applications. 
Requirements
The following is required to do this procedure:
• external voice facility point-of-presence equipment installed 
• Tip/Ring assignments 
• standard telecommunications hand-test telephone set
Action
Step Action
1
Identify the voice line bein
g
 tested.
2
Switch the power switch on the ELMo 120 Multiplexer Power card to the ON 
position.
3
Connect the hand test set Tip and Rin
g
 to the Tip/Rin
g
 pair at the customer 
premise cross-connect (Test Point #1 in Fi
g
ure 2-17 on pa
g
e 2-26). 
4
Test for dial tone. A successful test indicates that voice service is passin
g
throu
g
h the voiceband filter shelf.
5
If no dial tone is present, see Chapter 3, “ELMo 120 Multiplexer 
maintenance.”
STOP
You have completed this task.










