NEC Electra Elite IPK General Description Manual page 119

Document Revision 4
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Table 3-3 Maximum System Capacities for Application Interface ETUs (Continued)
Application
Interface ETUs
DPH(4)-U( ) ETU
ECR-U( ) ETU
HUB(8)-U( ) ETU
IAD(8)-U( ) ETU
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3 - 16
Description
4-Channel - Door Phone Interface Unit
The Doorphone interface ETU allows
four DP-D-1A Doorphones to be
connected. Two simultaneous calls are
allowed, and four Door Lock Release
relays are provided.
This ETU is installed in slots S1~S8 in
any KSU.
External Control Relay Unit
The External Control Relay ETU
provides common audible tone signaling
using relay contacts for external ringing
equipment and an audible output for
external paging systems. Four External
Tone Ringer Control relays, one Night
Chime relay, three External Paging
relays, and two General Purpose relays
are provided.
This ETU is installed in slots S1~S8 in
the basic B64-U20 KSU.
This ETU is an optional Ethernet
Interface that supports eight Ethernet
ports. Each port has two LEDs that
indicate status and activity. One port can
be a source port and another port can be
used to mirror source and monitor data
traffic.
One ETU can be installed in slots S1~S8
in each cabinet.
This ETU cannot be installed in a KSU
that contains EliteMail VP and IVR or
CTI and IVR systems.
This ETU is an optional interface
integration device that supports various
IP applications such as IP CCH and
Megaco Station Applications.
This ETU can be installed in any KSU
slot that supports the DTI or ESI ETU it
simulates.
The maximum number depends on other
station cards installed. This ETU shares
the total number of extension ports in the
system.
Maximum Capacities
Basic Port Expanded
Package Port Package
1 1
1 1
1 1
4 8 for DTI
15 for ESI
Electra Elite IPK
Notes
Note 4
Note 4
Equipment