Electra Elite IPK II Document Revision 1
General Description Manual 3 - 3
CTP(4)/(8)-U( ) ETU
CTP(12)/(16)-U( )
ETU
This ETU is a multiplatform system
that supports a maximum of 16 ports.
It is a PC platform that contains data
storage for voice recording and
application software. A digital signal
processor/voice processing section
handles the following functions:
• DTMF detection and generation
• General tone detection
• FAX CNG tone detection
• PCM compression for audio
recording/playback
• Automatic Gain Control (AGC)
• Two USB 1.0 ports for USB
keyboard and mouse support
• One 15-pin VGA Connector for
VGA monitor support
One DSP8-U10 ETU is required for 8-
ports. Two DSP8-U10 ETUs are
required for 12- or 16-ports.
1 1 Notes 1, 3, 4, 6
DSPII-U10 Unit with
In-Mail 2-port or In-
Mail 4-port Compact
Flash card installed.
This unit is a daughter board that is
installed on the CPUII( )-U10 ETU
and is used for the VRS or In-Mail
Compact Flash
117
ESI(8)-U( ) ETU 8-Port Electronic Station Interface 7 23
ESIB(8)-U( ) ETU This 8-Port Electronic Station
Interface ETU contains eight circuits.
Each circuit can support any
Attendant Console, Multiline
Terminal, or Single Line Telephone
adapter.
This ETU is installed in slots S1~S8
in the basic or expansion B64-U20
KSU. The maximum number
depends on other station ETUs
installed. This ETU shares the total
number of extension ports in the
system.
7 23 Notes 1, 6
Table 3-1 Maximum System Capacities for Station Interface ETUs (Continued)
Station Interface
Units
Description
Maximum Capacities
Notes
Basic Port
Package
Expanded
Port
Package
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