Chapter 2 System Specifications; General Information; System Block Diagram; Figure 2-1 System Block Diagram - NEC ElectraElite 48 System Hardware Manual

System Specifications
S 1
ECTION
G
ENERAL
I
NFORMATION
S 2
ECTION
S B
YSTEM LOCK
D
IAGRAM
System Hardware Manual
This chapter provides technicians with detailed specifications for the
Electra Elite 48 system. The technician should review this information
carefully before installing the system.

Figure 2-1 System Block Diagram

the KSU and the number of channels supported when the ETU is installed.

Table 2-1 List of Abbreviations

Table 2-1 List of Abbreviations
Abbreviation
ACD
AMP
APR
BRT
BSU
CCH
CNF
COI
COIB
COID
COM
CPU
CTA
CTI/VP, FMS,
VMS,CMS
DID
DPH
Chapter 2
shows the ETUs that can be installed in
lists abbreviations used in the diagram.
Description
Automatic Call Distribution
Amplifier
Analog Port Ringer
Basic Rate Trunk Interface
Base Station Unit
Common Channel Handler (K-CCIS)
Multiline Conference Bridge
Central Office Interface
Central Office Interface (COI/COID mode)
Central Office Caller ID
Communication
Central Processor Unit
Computer Telephony Adapter
Voice Mail
Direct Inward Dialing
Doorphone
2 - 1