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Line Interface Modules
Network LIM Options
The onboard options are typically set at the factory to match your network operation. Check these
settings when you first install the unit. You need not repeat the procedure unless you change your
network.
Figure 4-1
basecard.
1. Check that the appropriate plug-in interface module is installed (T1 or E1).
2. Examine the option switch on the LIM basecard.
•
Select the T1 option for either the Network T1 LIM or Network CSU T1 LIM.
•
Select the E1 option for the E1 LIM.
3. When you are satisfied that the plug-in module and option setting are correct, install the LIM
module in the shelf following the directions below.
LIM Installation
All plug-in LIM modules have an insertion and extraction tab on the bottom of the front panel.
1. To install a plug-in module, insert the module into its slot with the GDC logo on top, then slide
it in until it makes contact.
2. Pull down the insertion/extraction tab and firmly push the module in until it seats in the rear
connectors.
3. To remove a plug-in module, pull down the insertion/extraction tab to unseat the module, then
pull on the tab.
Figure 4-1
036R340-000
Issue 16
shows the location and function of option switch on the Network LIM
Selects T1 or E1
configuration
(Factory set to match
line interface plug-in)
Network LIM Basecard Option Switch
Office Connunications Manager OCM-1000/OCM-2000
Installation & Operation
Network Line Interface Modules
Refer To Tables 4-4 and 4-5 and
accompanying figures additional
option selection information.
T1
E1
X1
Network Line Interface
Basecard
4-3
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