NEC ElectraElite 48, System Hardware Manual

Page: 70 / 435

Electra Elite Issue 6
System Hardware Manual 1 - 13
ECR-U( ) ETU
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 S3~S6 in the B48-U10 KSU.
1 ETU
PBR( )-U( ) ETU
The Push Button Receiver ETU detects and translates DTMF tones
generated by Single Line Telephones, modems, or facsimile
machines. The PBR provides four circuits for Single Line
Telephones only.
This ETU is installed in slots S2~S7 in the B48-U10 KSU.
Four PBR circuits are built into the MBD-U10 Unit.
1 ETU
VRS(4)-U( ) ETU
The Voice Recording Service ETU provides voice recording
messages for internal stations, automatic answering on incoming
outside calls, Delay Announcement messages for UCD by a voice
recorded message, and receives DTMF tones.
This ETU is installed in slots S2~S7 in the B48-U10 KSU.
2 ETUs
Terminals
DCR-60-1
CONSOLE
This Attendant Console has 60 programmable line keys (each with
two LEDs). Twelve keys can be programmed as Feature Access
keys and 48 keys can be programmed as Direct Station Selection or
outside line keys.
4
DCU-60-1
CONSOLE
This Attendant Console has 60 programmable line keys (each with
two LEDs). Twelve keys can be programmed as Feature Access
keys and 48 keys can be programmed as Direct Station Selection or
outside line keys.
4
DP-D-1A This Doorphone may be used when DPH(4)-U( ) ETU is installed. 4
DTP-1-1 TEL
DTP-1-2 TEL
This Single Line Telephone is a fully modular terminal with a flash
key, Redial key, 3-level receive volume control, 2-level ring volume
control, data jack, and message waiting lamp.
Each terminal requires a SLI(4)-U( ) ETU or a SLI(8)-U( ) ETU or
SLT(1)-U( ) ADP.
24
DTR-1-1 TEL
This Single Line Telephone is a fully modular terminal with a flash
key, Redial key, 6-level receive volume control, 4-level ring volume
control, 3-tone ring pitch, data jack, and message waiting lamp.
Each terminal requires a SLI(4)-U( ) ETU or a SLI(8)-U( ) ETU or
SLT(1)-U( ) ADP.
24
Equipment Name Description
KSU Maximum
Quantities