NEC ElectraElite 48 System Hardware Manual page 24

Electra Elite
Section 4
System Hardware Manual
3.3 MBD-U10 Unit for B48-U10 KSU .................................................5-6
3.3.1 Description ........................................................................ 5-6
3.3.2 Switch Settings .................................................................. 5-8
3.3.3 Connectors ........................................................................ 5-9
3.3.4 LED Indications .................................................................. 5-9
3.3.5 Replacing Memory Backup .............................................. 5-10
3.4 MIFA-U( ) ETU ..........................................................................5-11
3.4.1 Description ...................................................................... 5-11
3.4.2 Installation ........................................................................ 5-11
3.4.3 Switch Settings ................................................................ 5-12
3.4.4 LED Indications ................................................................ 5-12
3.4.5 Connectors ...................................................................... 5-13
3.5 MIFM-U( ) ETU .........................................................................5-13
3.5.1 Description ...................................................................... 5-13
3.5.2 Installation ........................................................................ 5-14
3.5.3 Switch Settings ................................................................ 5-14
3.5.4 LED Indications ................................................................ 5-14
3.5.5 Connectors ...................................................................... 5-15
3.6 Modem Kit Unit ..........................................................................5-15
3.6.1 Description ...................................................................... 5-15
3.6.2 Installation ........................................................................ 5-15
3.6.3 Specifications ................................................................... 5-15
Trunk ETUs .................................................................................... 5-16
4.1 BRT(4)-U( ) ETU .......................................................................5-16
4.1.1 Description ...................................................................... 5-16
4.1.2 Installation ........................................................................ 5-17
4.1.3 Switch Settings ................................................................ 5-17
Issue 6
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