NEC Electra Elite IPK II System Hardware Manual page 194

Document Revision 3
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Table 6-19 DTI-U40 Default Switch Settings (Continued)
Switch
SW1-5 When SW1-4 is ON
SW1-6 SW1-5SW1-6
OFF OFF
ON OFF
OFF ON
ON ON
LBO (Line Build Out) adds a combination of

induction, capacitance, and resistance to a cable
pair so its electrical length may be increased by a
desired level of impedance and loss characteristics.
SW1-7 When SW1-4 is ON
SW18 SW1-7SW1-8
OFF OFF
ON OFF
OFF ON
ON ON
In Local Loop Back, data goes through the entire

transmit and receive process. Line Loop Back
allows user to check transmission line continuity.
SW2-1 Select Running Mode
SW2-2 SW2-1SW2-2
ON ON
ON OFF
OFF ON
OFF OFF
SW2-3 ON: To be determined
OFF: Normal mode (Default)
SW2-4 ON: Watch Timer OFF
OFF: Watch Timer ON (Default)
SW3-1 ON: T1 mode (Default)
OFF: PRT Mode
Setting
When LBO = 0dB
When LBO = -7.5dB
When LBO= -15dB
When LBO = -22.5dB
Normal Mode (Default)
Line Loop Back Mode
DTE Loop Back Mode
Local Loop Back Mode
Test program mode
Not Used
F/W upgrade mode
(on-site upgrade)
Normal mode (Default)
Firmware Version 5.00
Firmware Version 1.00
Installing ETUs (Circuit Cards)
Electra Elite IPK II
Description