NEC ELECTRA ELITE IPK II - Installation; LED Indications

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6 - 78 Installing ETUs (Circuit Cards)
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Document Revision 3 Electra Elite IPK II
6.6.2 Installation
The extension can be run up to approximately three miles (5 km)
using 24 AWG wiring.
Basic Port Package
A maximum of six OPX(2)-U( ) ETUs can be installed in slots
S1~S8.
The maximum number of OPX(2)-U( ) ETUs that can be installed
depends on other station cards installed. The system is limited by 64
trunk and station ports combined. This ETU shares the total number
of station ports in the system.
Calculating maximum capacity is based on the system having a
minimum of eight Electronic Station Interface (ESI) ports, four trunk
ports and a PKUII-U Unit installed. When 2-port trunk interface
ETUs are installed the system uses four ports from its maximum port
capacity.
Expanded Port Package
A maximum of 22 OPX(2)-U ETUs can be installed in slots S1~S8.
The maximum number of OPX(2)-U( ) ETUs that can be installed
depends on other station cards installed. The system is limited by
256 stations. This ETU shares the total number of station ports in the
system.
Calculating maximum capacity is based on the system having a
minimum of eight Electronic Station Interface (ESI) ports, four trunk
ports and a PKUII-U Unit installed. When 2-port trunk interface
ETUs are installed the system uses four ports from its maximum port
capacity.
6.6.3 LED Indications
Live LED indications are listed below.
J Blinking Red Normal Operation
J Steady Red Operation Stopped (power On).
J Off No Power
LED1 indications are listed below.
J Steady Red One port busy
J Off All ports idle