Issue 6
Electra Elite
5 - 30
Installing Electronic Telephone Units
4.5
COIB(8)-U( ) ETU
4.5.1
Description
This ETU can function the same as the COI(8)-U( ) or
COID(8)-U( ) ETU to provide Central Office Interface.
Transmit and receive pad controls have been added to
the COIB(8)-U( ) ETU.
Ground Start trunks are not
supported.
When the ETU is set for COID mode, Loop
Start trunks and Caller ID trunks are supported. Caller ID
does not work in the COI mode.
This ETU contains circuitry for outside ring detection,
holding, dialing, and control functions.
This ETU can provide a CAMA trunk for E911.
CAMA trunk support is provided on COIB(8)-U( ) ports 3
and 7 only.
When functioning as a COI(8)-U( ) or COID(8)-U( ) ETU
only DTMF signaling is supported. Tip and Ring electrical
fuses are provided to comply with UL 1459 requirements.
Refer to
Figure 5-19 COIB(8)-U( ) ETU
.
Figure 5-19 COIB(8)-U( ) ETU
Summary of Contents for ElectraElite 48
Page 2: ...SYSTEM HARDWARE MANUAL Stock Number 750376 Issue 6 Series 8000 48 ...
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Page 10: ...Regulatory Information ...
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Page 51: ...Issue 6 Electra Elite xxxii List of Figures THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 56: ...1st Tab Chapter 1 Introduction ...
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Page 78: ...2nd Tab Chapter 2 System Specifications ...
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Page 102: ...3rd Tab Chapter 3 Hardware Requirements ...
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Page 110: ...4th Tab Chapter 4 Installing the KSU ...
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Page 135: ...Issue 6 Electra Elite 4 24 Installing the KSU THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 136: ...5th Tab Chapter 5 Installing Electronic Telephone Units ...
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Page 256: ...6th Tab Chapter 6 Installing Electra Elite Multiline Terminals ...
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Page 290: ...7th Tab Chapter 7 Installing Optional Equipment ...
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Page 344: ...8th Tab Chapter 8 Installing Dterm Series i Equipment ...
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Page 358: ...Electra Elite Issue 6 System Hardware Manual 8 13 Figure 8 15 Removing the Line Panel ...
Page 396: ...9th Tab Chapter 9 Installing Electra Professional Equipment ...
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Page 404: ...10th Tab Chapter 10 System Maintenance ...
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Page 428: ...11th Tab Appendices ...
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Page 433: ...Issue 6 Electra Elite A 4 Glossary of Abbreviations THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 434: ...SYSTEM HARDWARE MANUAL NEC America Inc Issue 6 Series 8000 48 ...
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