Electra Elite IPK II Document Revision 3
System Hardware Manual 6 - 47
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5.8.2 Installation
Basic Port Package
A maximum of 14 DID(4)-U( ) ETUs can be installed in slots S1~S8.
The maximum number of DID(4)-U( ) ETU depends on other trunk
cards installed. This ETU shares the total number of CO/PBX lines
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.
Expanded Port Package
A maximum of 23 DID(4)-U( ) ETUs can be installed in slots S1~S8.
The maximum number of DID(4)-U( ) ETUs depends on other trunk
cards installed. This ETU shares the total number of CO/PBX lines
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.
5.8.3 LED Indications
Refer to Table 6-18 DID(4)-U( ) ETU LED Indications.
5.8.4 Connectors
The following connector is included:
J
CN1 Connects to the backplane.
Table 6-18 DID(4)-U( ) ETU LED Indications
LED Description On Flashing Off
LIVE ETU status
Operation
Stopped
(Power On)
Normal
Operation
No
Power
LED 1 Line 1 status Busy Not Used Idle
LED 2 Line 2 status Busy Not Used Idle
LED 3 Line 3 status Busy Not Used Idle
LED 4 Line 4 status Busy Not Used Idle