NEC DTH-1-1 User manual

USER GUIDE DTH-1-1 (BK)TEL
LOCATIONOF CONTROLS
FLASH Key
REDIAL Key
MUTE Key
Handset
IN USE Indicator
VOLUME Control Key
Top View
Bottom View
One-Touch
Memory Key
Message Waiting
Lamp
Dial Mode Switch
Line Interface
Handset Interface
Hanger
Hook
Nothing contained in this manual shall bedeemed to be, and this manual doesnot constitute, a warranty of, or representation
with respect to, any of the equipmentcovered. This manual is subject tochange without notice and NEC Infrontia Corporation
has no obligation to provide any updates or corrections to this manual. Further, NEC Infrontia Corporation
also reserves the right, without prior notice,to make changes in equipment design orcomponents as it deems appropriate. No
representation is made that this manual is complete or accurate in all respects and NEC Infrontia Corporation shall not
be liable for any errors or omission. In no event shall NEC Infrontia Corporation be liable for any incidental or
consequential damages in connection with the use of this manual. This document contains proprietary information that is
protected by copyright. All rightsare reserved. No part of this document may be photocopied or reproduced without prior written
consent of NEC InfrontiaCorporation.
2004 by NECInfrontia Corporation AllRights Reserved.

IMPORTANTSAFETY INSTRUCTIONS
When using your telephone equipment, basic safety precautions
should alwaysbe followedto reducethe riskof fire,electric shock,and
injury topersons bydoing thefollowing:
1. Readand understandall instructions.
2. Followall warningsand instructionsmarked onthe product.
3. Do not usethis product near water. For example, near a bathtub, kitchen
sink orlaundry tub,in awet basement,or neara swimmingpool.
4. Donot placethis producton anunstable cart,stand, ortable. Theproduct
may fall,causing seriousdamage tothe product.
5. Slotsand openingsin thecabinet andthe backor bottomare providedfor
ventilation. To protect it from overheating, these openings must not be
blocked or covered. The openings should never be blocked by placing
the product on a bed, sofa, rug, or other similar surface. This product
should never be placed near or over a radiator or heat register. This
product should not be placed in a built-in installation unless proper
ventilation isprovided.
6. Never push objects of any kind into this product through cabinet slots as
they may touch dangerous voltage points or short out parts that could
result ina riskof fireor electricshock. Neverspill liquidof anykind onthe
product.
7. To reduce the risk of electric shock, do not disassemble this product.
Take it to aqualified serviceman when service or repair work is required.
Opening or removing covers may expose you to dangerous voltages or
other risks. Incorrect reassembly can cause electric shock when the
product issubsequently used.
8. Avoid using a telephone during an electrical storm. There may be a
remote riskof electricshock fromlightning.
9. Donot usethe telephoneto reporta gasleak inthe vicinityof theleak.
Please keep this unit away from equipment that uses radio waves or
microwaves such as a portable radio or a microwave oven. This type of
equipment maycause improperoperation.
USER GUIDE DTH-1-1 (BK)TEL

USER GUIDE
CONNECTION TO THE TELEPHONE LINE
Connect the line cord to the bottom of the DTH-1-1 (BK) TEL and to PBX/KTS
Phone Jack.
Note : Use the DTH-1-1(BK)TEL only behinda PBX or a KTS.
SPECIFICATIONS
DP dial
Make ratio:39 1%
Pulse speed :10 1pps
DTMF dial
Level (High group):0 -5.5dBm
(Low group):0 -7.5dBm
Signal duration:80 10ms
Minimum pause:80 10ms
Flash
Flash time:630 20ms
DIAL MODE
Either "T (Tone/DTMF)" or "P (Pulse/DP)" mode isselected by the Dial Mode
switch which is located on the bottom ofthe DTH-1-1 (BK) TEL.
Note : Confirm Telephone Network method or PBX/KTS method.
TP
DTH-1-1 (BK)TEL
TEMPORARYSWITCH OVEROF THEDIALING MODE
After aconnection hasbeen setup touse PULSEdialing, switchover to
TONE dialingcan bemade bypressing the* button.Certain servicesoffered
by somePublic Telephone Exchangesor PBXs,e.g. controlof atelephone
answering system,simple datatraffic, etc,can thenbe utilizedby dialing
additional digits.Thetelephone isautomatically resetto PULSEdialing when
the handsetis cradled.

FLASH
MAKING A CALL
1. Lift Handset. The IN USELED will illuminate.
2. Wait for the DialTone and then dial the telephone number.
3. Hang up to terminate the call.
Note : ATrunkAccess Code may be necessary before dialing anexternal
telephone number if the DTH-1-1 (BK) TELis connected to a PBX/KTS.
USER GUIDE DTH-1-1 (BK)TEL
1. While on a call, press FLASH Key.
.
VOLUME CONTROL
The handset earpiece volume can be adjusted in6 stepped increments during a call.
Press pto increase the volume (3 steps up), orqto decrease the volume (2 steps
down).
Note : If the DTH-1-1 (BK) TEL is connected to a PBX/KTS, you can send the
command by pressing the FLASH Key. If the DTH-1-1 (BK) TELis connected
to the Telephone Network, you can "Disconnect and Recall" by pressing the
FLASH Key.
TELEPHONE RINGER SET UP
There are three different ringers available andthree different volumes for each
ringer. Theringer and volume levels can be set usingthe following operation.
1. Lift Handset.
2. Press MUTE Key.
3. Dial "#".
4. Select a number 0-9
from the table.
5. Press MUTE Key.
6. Hang up to finish.
Note : If you disconnect the phone fromthe network, the ringing tone assignment
will default to the factory setting within afew hours.
Dial
1
2
3
4
5
6
7
8
9
0
A
A
A
B
B
B
C
C
C
-
Ringer Type Low
Low
Low
Mid
Mid
Mid
High
High
High
Off
Volume
Default:6
"Flash"

HANDSET MIC MUTE
1. While on a call, press MUTE Key to mute.
2. Press MUTE Key again to resume conversation.
USER GUIDE DTH-1-1 (BK)TEL
Speed Dial Memory Keys.
Note : Flash can be stored in memory dial, but will count as one of the total 21 digits
allowed.
Note :
MESSAGE WAITING INDICATOR
Many PBX systems have a feature called Message Waiting. DTH-1-1 (BK) TEL
will show if a message was received in your absence by flashing the Message
Waiting Indicator. This function operates differently depending on the PBX / KTS
being used. Please contact the system administrator for more information.
MEMORY
DTH-1-1 (BK) TEL has 4 One-Touch Speed Dial Memory Keys. Once a number has
been stored in a Memory location, you only have to go off-hook and press one button
to make the call.
Storing One-Touch
1. Lift Handset and press MUTE (ignore anything you hear in the earpiece).
2. Select a location by pressing the corresponding Speed Dial key.
3. Enter the telephone number to be stored (up to 21 digits) using the number keys.
4. Press MUTE again and replace the handset. The number is now stored.
Dialing Using One-Touch Memory Keys.
1. Lift the handset and wait for a dial tone.
2. Dial the desired number by pressing the corresponding Memory Key.
If you disconnect the phone from the network,One-Touch memories will be
erased in a few hours.

USER GUIDE DTH-1-1 (BK)TEL
WALL MOUNTINGTEMPLATE
82mm
UP
LAST NUMBER REDIAL
1. Lift Handset.
2. Press REDIAL Key todial the last # dialed.
Note : If you disconnect the phone fromthe network, redial memory will be
erased in a few hours.
WALL MOUNTING
The DTH-1-1 (BK) TELis suitable for wall mounting. Check for hidden cables,water
pipes, etc. before drilling holes. Before you commence,check that the intended
mounting point is within reach of aTelephone Socket.
1. Use the template to mark the positionof the two screws (not supplied) which will
secure the DTH-1-1 (BK) TEL in position.
2. Drill the holes.
3. Fit the screws (not supplied) to thewall, leaving 3.3 mm sticking out (use wall
anchors if necessary,not supplied).
4. Place the two holes on the baseof the telephone over the installed screws, then
slide into place.
Note: When the DTH-1-1 (BK) TELis wall
mounted, the hanger hook (with
serrated top) is located on the base.
Rotate 180 degrees (so the lip
protrudes) and replace.

USER GUIDE DTH-1-1 (BK)TEL
FCC Part68 Registration
The equipment complies with Part 68 of the FCC Rules. A label which
contains the FCC Registration Number and ringer equivalence number(Ren)
for the equipment, country of origin, and model number among other
information, is located on the bottom of the equipment. If requested this
information shouldbe providedto thetelephone company.
The equipmentuses thefollowing USOCjacks: RJ11C.
KX-type telephone with message waiting and/or line status indicators may
only beconnected tohost systemsand notto theNetwork.
The REN is used to determine the quality of the device which may be
connected to the telephone line. Excessive RENs on the telephone line may
result in the devices not ringing in response to an incoming call. In most, but
not inall areas,the sumof RENsshould notexceed five(5.0). To becertain of
the number of devices that may be connected to the line, as determined by
the total RENs, contact the telephone company to determine the maximum
REN forthe callingarea.
If the equipment causes harm to the telephone network, the telephone
company will notify youin advance that temporary discontinuance of service
may be required. If advance notice is not practical, the telephone company
will notifythe customeras soonas possible.Also,you willbe advisedof your
right tofile acomplaint withthe FCCif youbelieve itis necessary.
The telephone company may make changes in its facilities, equipment,
operation, or procedures that could effect the operation of the equipment. If
this happens,the telephonecompany willprovide advancenotice inorder for
you to make the necessary modifications in order to maintain uninterrupted
service.
If trouble is experienced with this equipment, please contact your NEC
Dealer for repair and/or warranty information. If the trouble is causing harm
to thetelephone network,the telephonecompany mayrequest youto remove
the equipmentfrom thenetwork untilthe problemis resolved.
NO REPAIRS CANBE DONEBY THECUSTOMER.
The equipmentis hearing-aidcompatible.
CAUTION: Theact ofmonitoring orrecording telephoneconversations under
certain circumstances may violate federal or state statutes. Consultation
with your legal counsel prior to engaging in such practices would be
advisable.

FCC Part15
Complies with the limits for a Class B computing device pursuant to Subpart
J ofPart 15of FCCRules.
INDUSTRYCANADA (CS-03)
The LoadNumber ofthe equipment:N/A
"Notice: The Industry Canada label identifies certified equipment. The
certification means that the equipment meets certain telecommunication
network protective operational and safety requirements. Industry Canada
does notguarantee theequipment willoperate tothe user'ssatisfaction."
"Before installing this equipment, users should ensure that it is permissible
to be connected to the facilities of local telecommunications company. The
equipment mustalso beinstalled usingan acceptablemethod ofconnection.
In some cases, the company's inside wiring associated with a single line
individual service may be extended by means of a certified connector
assembly (telephone extension cord). The customer should be aware that
compliance with the above conditions may not prevent degradation of
service insome situations."
"Repairs to certified equipment should be made by an authorized
Maintenance facility designated by the supplier. Any repairs or installations
made bythe userto thisequipment, orequipment malfunctions,may givethe
telecommunications company cause to request that the user disconnect the
equipment.
Users should ensure, for their own protection, that the electrical ground
connections of the power utility, telephone lines, and internal metallic water
pipe system, if present, are connected together. This protection may be
particularly importantin ruralareas."
Caution: Users should not attempt to make such connections themselves,
but shouldcontact theappropriate electricinspection authority, orelectrician,
as appropriate.
SAFETY CONSIDERATIONS:
This equipment complies with Underwriters Laboratories Standard U.L.
60950 FirstEdition.
USER GUIDE DTH-1-1 (BK)TEL