NEC Electra Elite 192, Hardware Manual

Page: 64 / 369

Issue 6 Electra Elite
1 - 12 Introduction
OPX(2)-U10 ETU
The Off-Premise Extension ETU provides for the
termination and operation of a maximum of two
off-premise extensions. Each ETU has a built-in
ringer (RSG). Up to 1600 ohms of loop resistance
(including the Single Line Instrument) is acceptable
between the OPX ETU and the Single Line
Telephone.
This ETU is installed in slots S1~S8 in any
B64-U10 KSU. This ETU shares the total number
of station ports in the system.
6 ETUs
12
extensions
14 ETUs
28
extensions
22 ETUs
44
extensions
SLI(4)-U10 ETU
The Single Line Interface ETU supports a
maximum of four Single Line Telephones and/or
analog voice mail ports. This ETU provides
Ringing Signal Generator (RSG), and Message
Waiting (MW) LED voltage to Single Line
Telephones.
This ETU is installed in slots S1~S8 in any
B64-U10 KSU.
The maximum number depends on other station
cards installed. This ETU shares the total number
of station ports in the system.
6 ETUs
24
ports
14 ETUs
56
ports
22 ETUs
88
ports
SLI(8)-U10 ETU
The Single Line Interface ETU supports a
maximum of eight Single Line Telephones and/or
voice mail ports. This ETU provides Ringing Signal
Generator (RSG), and Message Waiting (MW) LED
voltage to Single Line Telephones.
This ETU is installed in slots S1~S8 in the
B64-U10 KSU.
The maximum number depends on other station
cards installed. This ETU shares the total number
of station ports in the system.
6 ETUs
48
ports
14 ETUs
112
ports
14 ETUs
112
ports
VDH2(8)-U10 ETU
The Voice Data Hub ETU allows integration of both
Terminal and 10Base-T cables for local area
network (LAN) into the same cable (10Base-T and
10Base-2 are supported).
This ETU is installed in slots S1~S8 in the
B64-U10 KSU.
When this ETU is installed, the FCE-U10 Unit is
required. This ETU shares the total number of
station ports in the system.
3 ETUs
24
extensions
6 ETUs
48
extensions
9 ETUs
72
extensions
VMS(2)-U10 ETU
This ETU is installed in one of the interface slots. It
has two channels of built-in Voice Mail.
This ETU shares the total number of station ports in
the system.
1 VMS(2), VMS(4), or VMS(8)-U10 ETU
Equipment Name Description Basic KSU
Basic + 1
Expansion
KSU
Basic + 2
Expansion
KSUs