Specifications

ELMo 120 Multiplexer installation and testin
g
2-13
Revision 2.01 ELMo 120 Multiplexer Installation and Maintenance Guide 08-01023-01
Installing the data network connection (continued)
Step Action
5
Repeat steps 1-4 for the second and third 10/100 Base-T ELMo 120
Multiplexer connections (if required). Be sure to connect the ELMo 120
Multiplexer data connections to separate LAN se
g
ments.
6
Verify that the LEDs illuminate on the ELMo 120 Switch card and at the
EtherLoop hub/router port, indicatin
g
connectivity is established from the
ELMo 120 shelf to the hub/router.
Note:
If a 10/100Base-T port on the ELMo 120 Switch card is connected to a
10Base-T
network, that port LED should illuminate yellow-oran
g
e. If a
10/100Base-T port on the ELMo 120 Switch card is connected to a
100Base-T
network, that port LED should illuminate
g
reen.
7
Proceed accordin
g
to the followin
g
table:
STOP
You have completed this task.
!
CAUTION
Potential service loss
Do not connect the second or third port on the ELMo
120 Multiplexer to the same hub used to support the
first. This creates a lo
g
ical loop which will cause the
ELMo 120 Multiplexer system to lock up.
If the application is Then
Data-only
g
o to “Installin
g
ELMo 120 Multiplexer
connections for data-only service” on pa
g
e
2-14
Voice/data
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o to “Installin
g
ELMo 120 Multiplexer
connections for voice/data service” on pa
g
e
2-17