NEC ELECTRA ELITE IPK II, User Manual

Page: 1060 / 1190

Document Revision 4C Electra Elite IPK II
2 - 1036 Universal Slots
OPX(2)-U( ) ETU This 2-port Off-Premise Extension
Interface ETU provides termination
and operation of two off-premise
extensions. Each ETU has a built-in
ringer signal generator (RSG). Up to
1600 ohms of 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-U20 KSU and shares the
number of station ports in the system. 6 22 Note 1, 2, 6
SLI(4)-U( ) ETU This 4-port Single Line Interface ETU
supports four Single Line Telephones
and/or analog voice mail ports. Each
ETU provides a built-in ringer signal
generator (RSG) and Message
Waiting (MW) LED voltage to single
line telephones.
This ETU is installed in slots S1~S8
in any B64-U20 KSU. The maximum
number depends on other station
ETUs installed. This ETU shares the
total number of station ports in the
system. 12 22 Notes 1, 6
SLI(8)-U( ) ETU This 8-port Single Line Interface ETU
supports eight Single Line
Telephones and/or analog voice mail
ports. Each ETU provides a built-in
ringer signal generator (RSG) and
Message Waiting (MW) LED voltage
to single line telephones.
This ETU is installed in slots S1~S8
in any B64-U20 KSU. The maximum
number depends on other station
ETUs installed. This ETU shares the
total number of station ports in the
system. 6 22 Notes 1, 6
Table 2-41 Maximum System Capacities for Station Interface ETUs (Continued)
Station Interface
Units
Description
Maximum Capacities
Notes
Basic Port
Package
Expanded
Port
Package