NEC ElectraElite 48 System Hardware Manual page 30

Electra Elite
Section 6
System Hardware Manual
5.9.2 Specifications ................................................................... 5-86
5.9.3 Cabling ............................................................................. 5-87
5.9.4 Installing the VDH2(8)-U( ) .............................................. 5-90
5.9.5 Switch Settings and Jumpers .......................................... 5-90
5.9.6 LED Indications ................................................................ 5-91
5.9.7 Connectors ...................................................................... 5-92
5.10 VMS(2)/(4)/(8)-U( ) ETU ............................................................5-94
5.10.1 Description ...................................................................... 5-94
5.10.2 Installation ........................................................................ 5-95
5.10.3 Switch Settings ................................................................ 5-97
5.10.4 LED Indications ................................................................ 5-98
5.10.5 Connectors ...................................................................... 5-98
5.10.6 Installation Precautions .................................................... 5-99
Optional ETUs ............................................................................. 5-100
6.1 ACD(8)-U( ) ETU ....................................................................5-100
6.1.1 Description .................................................................... 5-100
6.1.2 Installation ...................................................................... 5-100
6.1.3 LED Indications .............................................................. 5-101
6.1.4 Connectors .................................................................... 5-101
6.1.5 Installation Precautions .................................................. 5-102
6.2 BSU(2)-U( ) ETU .....................................................................5-103
6.2.1 Description ..................................................................... 5-103
6.2.2 Installation ...................................................................... 5-103
6.2.3 Switch Settings .............................................................. 5-103
6.2.4 LED Indications .............................................................. 5-105
6.2.5 Connectors .................................................................... 5-107
6.2.6 ZT II Connections .......................................................... 5-107
Issue 6
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