NEC ElectraElite 48 System Hardware Manual page 31

Issue 6
xii
6.3 CCH(4)-U( ) ETU .................................................................... 5-108
6.3.1 Description ....................................................................5-108
6.3.2 Installation ......................................................................5-108
6.3.3 Switch Settings ..............................................................5-109
6.3.4 LED Indications ..............................................................5-109
6.3.5 Connectors .....................................................................5-110
6.3.6 Connections ...................................................................5-110
6.4 ECR-U( ) ETU ......................................................................... 5-111
6.4.1 Description ....................................................................5-111
6.4.2 Installation ......................................................................5-112
6.4.3 LED Indications ..............................................................5-112
6.4.4 Connectors .....................................................................5-112
6.4.5 Specifications .................................................................5-113
6.5 PBR( )-U( ) ETU .................................................................... 5-114
6.5.1 Description ....................................................................5-114
6.5.2 Installation ......................................................................5-115
6.5.3 LED Indications ..............................................................5-115
6.5.4 Connectors .....................................................................5-115
6.6 VRS(4)-U( ) ETU .................................................................... 5-116
6.6.1 Description ....................................................................5-116
6.6.2 Installation ......................................................................5-117
6.6.3 Switch Settings ..............................................................5-117
6.6.4 LED Indications ..............................................................5-117
6.6.5 Connectors .....................................................................5-118
6.6.6 Pins ................................................................................5-118
Electra Elite
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