NEC Xen Master System Hardware Manual page 26

NEC Australia Pty Ltd
Equipment
Name
TLI(2)-U13 ETU The Tie Line Interface ETU supports the
termination and operation of up to two
E&M Tie lines (4-wire, type I and type V,
and 10/20 pps Dial Pulse or DTMF).
Immediate or wink start, delay start, or
second
accommodated.
The maximum quantity allowed depends
on whether a BRT(4)-U13 ETU, PRT(1)-
U13 ETU, COI(8)-U13 ETU, COID( )-U13
ETU, DID(4)-U13 ETU are installed.
These units share the total number of
trunk lines.
ESI(8)-U13 ETU The Electronic Station Interface ETU
contains eight circuits. Each circuit can
support any type of Attendant Console,
Multiline
Telephone Adaptor.
The maximum quantity allowed depends
on how many SLI( )-U13 ETUs, OPX(2)-
U13
VDH2(8)-U13 ETUs are installed.
unit shares the total number of extension
ports.
SLI(8)-U13 ETU The Single Line Interface ETU supports a
maximum of eight Single Line Telephones
and/or voice mail ports.
provides Ringing Signal Generator (RSG),
and Message Waiting (MW) LED voltage
to Single Line Telephones.
The maximum quantity allowed depends
on how many ESI( )-U13 ETUs, OPX(2)-
U13
VDH2(8)-U13 ETUs are installed.
unit shares the total number of extension
ports.
SLI(4)-U13 ETU As per the SLI(8)-U13 ETU, however
supports the connection of just four
analogue devices.
1 - 8
Table 1-1 Equipment List (Continued)
Description
dial tone signalling
Station Interface Units
Terminal, or Single
ETUs, CNF(8)-U13
ETUs, CNF(8)-U13
Basic
KSU
7 ETUs
14 TLI
Circuits
is
8 ETUs
64
Line
extensions
ETUs and
This
7 ETUs
This ETU
56
extensions
ETUs and
This
7 ETUs
28
extensions
Xen Master & Xen Axis
Xen Master
Basic + 1 Basic + 2
Expansion Expansion
KSU KSUs
15 ETUs 16 ETUs
30 TLI 32 TLI
Circuits Circuits
15 ETUs 15 ETUs
120 120
extensions extensions
14 ETUs 14 ETUs
112 112
extensions extensions
15 ETUs 23 ETUs
60 92
extensions extensions
Xen Axis
4 ETUs
8 TLI
Circuits
3 ETUs
32
extensions
3 ETUs
24
extensions
5 ETUs
20
extensions
Introduction