NEC Xen Master System Hardware Manual page 27

Equipment
Name
OPX(2)U13 The Off- Premise Extension ETU provides
for the termination and operation of a
ETU
maximum of two analogue off-premise
extensions. Each ETU has a built-in ringer
unit. Up to 1600 ohms of loop resistance
(including the internal resistance of the
analogue device) is acceptable between
the OPX(2)-U13 ETU and the Single Line
Telephone or other analogue device
(release 2 or higher). The maximum
quantity allowed depends on how many
ESI(8)-U13
CNF(8)-U13 ETUs and VDH2(8)-U13
ETUs are installed. This unit shares the
total number of extension ports.
ACD(8)-U13 The Automatic Call Distribution ETU is
installed in one of the S2~S7 interface
ETU
slots. It interfaces the Elite ACD Plus
Server with the Electra Elite KSU.
Slot S6 is recommended for installation.
Compatible with Release 4.0 Software or
higher.
VMS(2)-U13 This ETU is installed in one of the
interface slots. It has 2-channels of built-
ETU
in Voice Mail.
VMS(4)-U13 This ETU is installed in one of the
interface slots. It has 4-channels of built-
ETU
in Voice Mail.
VMS(8)-U13 This ETU is installed in one of the
interface slots. It has 8-channels of built-
ETU
in Voice Mail.
FMS(2)-U13 This ETU is a two-port voice mail card
which installs inside the KSU. It utilises
ETU
Flash ROM memory to store around four
hours of messages.
FMS(4)-U13 This ETU is a four-port voice mail card
which installs inside the KSU. It utilises
ETU
Flash ROM memory to store around four
hours of messages.
PBR( )-U13 The Push Button Receiver ETU detects
and translates DTMF tones generated by
ETU
Single Line Telephones, modems, or
facsimile machines.
four circuits.
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System Hardware Manual
Table 1-1 Equipment List (Continued)
Description
ETUs, SLI( )-U13
Optional Electronic Telephone Units
The PBR provides
Four PBR circuits are built into the
CPUB( )-U13 ETU and MBD-U13
ETU.
Xen Master
Basic + 1
Basic
Expansion
KSU
7 ETUs 15 ETUs
14
extensions extensions
ETUs,
1 ETU
4 ETUs
4 ETUs
2 ETUs
4 ETUs
4 ETUs
1 ETU
Basic + 2
Expansion
KSU KSUs
23 ETUs
30 46
extensions
4 ETUs 4 ETUs
4 ETUs 4 ETUs
2 ETUs 2 ETUs
4 ETUs 4 ETUs
4 ETUs 4 ETUs
May 2001
Xen Axis
5 ETUs
10
extensions
4 ETUs
4 ETUs
2 ETUs
4 ETUs
4 ETUs
1 - 9