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Electra Elite
Equipment Name
DPH(4)-U( ) ETU
ESI(8)-U( ) ETU
FMS(2)/(4)/(8)-U( )
ETU
OPX(2)-U( ) ETU
SLI(4)-U( ) ETU
SLI(8)-U( ) ETU
System Hardware Manual
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 S3~S6 in the B48-U10 KSU.
The 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 S3~S6 in the B48-U10 KSU. The first
ESI(8)-U( ) ETU is built in on the MBD-U10 Unit of the
B48-U10 KSU and designated as Slot 1 (Ports 01~08).
The maximum number depends on other Station cards installed.
This ETU shares the total number of station ports in the system.
This ETU is installed in one of the S2~S7 interface slots. It has two,
four, or eight channels of built-in Voice Mail.
The system recognizes this ETU as VMS(4)/(8)-U( )ETU.
Slot S7 is the recommended slot for installation.
This ETU shares the total number of station ports in the system.
The Off-Premise Extension ETU provides for the termination and
operation of a maximum of two off-premise extensions. Each ETU
has a built-in ringer (RSG). Up to 1600 ohms of loop resistance
(including the Single Line Instrument) is acceptable between the
OPX ETU and the Single Line Telephone.
This ETU is installed in slots S3~S6 in the B48-U10 KSU.
This ETU shares the total number of station ports in the system.
The Single Line Interface ETU supports a maximum of four Single
Line Telephones and/or analog voice mail ports. This ETU provides
Ringing Signal Generator (RSG) and Message Waiting (MW) LED
voltage to Single Line Telephones.
This ETU is installed in slots S3~S6 in the B48-U10 KSU.
The maximum number depends on other station cards installed.
This ETU shares the total number of station ports.
The Single Line Interface ETU supports a maximum of eight Single
Line Telephones and/or voice mail ports.
Ringing Signal Generator (RSG) and Message Waiting (MW) LED
voltage to Single Line Telephones.
This ETU is installed in slots S3~S6 in the B48-U10 KSU.
The maximum number depends on other station cards installed.
This ETU shares the total number of station ports.
Description
This ETU provides
Issue 6
KSU Maximum
Quantities
1 ETU
3 ETUs
32 Extensions
1 ETU
3 ETUs
6 extensions
4 ETUs
16 ports
3 ETUs
24 ports
1 - 11
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