Comdial Executech 2000 Telephone System Instructions Manual

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							Installation1lI!fZ66-0682.8.8 Music Interface
If music is to be part of the system connect a music source to the common equipment music interface jack (phono
jack) provided for this purpose. The impedance of this input is approximately 500 ohms. Level adjustment of the
music source may be necessary. See 3.5.8 for more information.2.8.9Cassette Tape Recorder 
Inteiface
A customer provided, audio cassette tape recorder can be connected to the music interface jack.You can store and
load programming information via the recorder by using this interface from station 10. For more information, see
Chapter 3, section 3.16
Typical..iS.:#::’. .Commono”
EquipmentMusic InterfaceH
t@
I‘1@’
Cassette Tape
Recorder (forMusic Source
program storage(for music on hold
and loading)and background music)
II
CAJSWO
Figure 2.11 Music/Cassette Recorder Interface
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							ZMZ66-068znstauution
2.9Using Add-On Expansion Modules
There are three optional add-on, expansion modules that you can install on the common equipment base units.YOU
can use these expansion module in various combinations to increase the line and/or station capacity of an installed
system. The add-on modules are as follows:.
MO412 Expansion Module - A four-line by 12-station expansion unitl
MO016 Station Expansion Module - A 0 line, 16-station expansion unitl
MOO88 Expansion Module - A 0 line, 16 station (8 stations can be IST telephones) expansion unit
The default numbering of the expanded lines and/or stations begins with the next higher line or station port number
from that provided by the host base unit.
The numbering continues sequentially from top module to bottom module
if two modules are installed. For example: The defaulted 
8-line, 20-station base unit provides station ports 10
through 29 and lines 1 through 8. When installed, a 412 Expansion module will provide station ports 30 through 41
and lines 9 through 12 thus creating a 12 line by 32 station system. Should two 16-station expansion modules be
added to a 
8&e, 20-station base unit, defaulted station port expansion numbering begins at the top unit, with station
port 30, and continues through the lower unit to station port 61 thus creating an eight-line by 52 station system.
The station connections are available at one (412 expansion module) or two (16 station expansion module) 50-pin
connectors. The port numbering begins with the connector on the right and proceeds through the left-hand connector
(16 station expansion module only). For more information on expansion modules, see IMI89-025.
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							Installation
c
ZMI66-068
2.10 Connectine OHVA / SOHVA
The ExecuTech 2000 supports both subdued off hook voice announce (SOHVA) and off hook voice announce
(OHVA) features. Two data-paired station ports are required to provide either feature. Station users can employ the
DB32S-xx 32 button console to provide OHVA, or an ExecuTech multiline telephone with SOHVA capability will
provide SOHVA. For more information see 3.7.34, and 3.7.35.2.10.1 Connecting The Right Equipment
l
For OJWA, connect an ExecuTech multiline telephone to the first data-paired port, and connect the 32-button
console to the second port. Be sure to connect both voice and data pairs.l
For SOHVA, connect the ExecuTech multiline telephone with SOHVA capability to both data-paired ports as
shown in Figure 2.12. This multiline telephone uses a 6-position, 3-pair line jack. Using 6-wire twisted pair
cable, connect the two inside pairs of the line jack to the first data-paired port, and connect the outside pair to
the second data-paired port.
lAfter you have done either one or the other of the above steps, depending upon your need for OWA or
SOHVA, connect pins 3 and 4 to the voice pair and pins 2 and 5 to the data pair of the first data-paired port.l
Connect pins 1 and 6 to the voice pair of the second data paired port.2.10.2 Programming For SOHVA
For SOHVA to function, you must take certain programming steps. Make sure you have completed all of the
following:
1.Program the first data paired-port for SOHVA by programming it as an integrated OHVA port, 3.7.34.
2.Program the first data paired-port as a multiline port, 3.7.30.
3.Program the second data paired-port as a console with call announce port, 3.7.30.2.10.3 Programming For OHVA
For OHVA to function, you must take certain prograrnming steps. Make sure you have completed all of the
following:
1.Program the first data paired-port for OHVA by programming it as a non-integrated OHVA port, 3.7.34.
2.Program the first data paired-port as a multiline port, 3.7.30.
3.Program the second data paired-port as a console with call announce port, 3.7.30.
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							Znstdhion
TO SUBDUEOFF-HOOK
VOICE ANNOUNCE
TELEPHONE
6-WIRE
LINE
CORD
VOICE PAIR
(PAIRED STATION)
DATA PAIR
VOICE \AIR11 
-VOICE (PAIRED STATION)
2-DATA
3-VOICE4-VOICE5-DATA
6 -VOICE (PAIRED STATION)
TYPE 62%X2-6 CONNECTOR
(TYPICAL)
: .:
“..,.‘_,
NOCONNECTION’, 
--,--2--,--3-y--
$--l--
5 - -,--- -,--f--I--a--,--
.9 
- -,- -IO - -I- -TYPICAL-II- -,- -PAIRED42 - -,- -b13 - -, - _STATION‘I4 -1--I - - PORTS.I5 - -,- -46 - -, - -II- -I- -IB- -I- -IS- =-I-- -I- -;:z I,- -
:t- -,--- -,- -- -,- -g;- -)- -
$f- -,- -- a,- -I- -:;I I,-
- AMPHENOL30 --,- -CONNECTOR
a -,- -
- -,- ---,--
- 
-,- -
:;I: ,I’: 1so- -I--
CLIP TERMINALS
TYPICAL STATlON
CONNECTOR BLOCK
AW053
\
f-
x
-
Figure 2.12 Off-Hook Voice Announce Connections
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							InstaUatinIMI46-068
2.11 Checking The System2.11.1 Checking The 
Initial Condition
The system operating features are set to default conditions at initial power-up. These conditions provide a basic
operating system with a known set of parameters, and the system should be initially checked out with the default
conditions in place. At any time while the system is operating, default conditions can be reset from station port 10 or
11. For more information, see Chapter 3, section 3.4.2.11.2 Doing A Final Check-Out
Check the common equipment and telephone installation for proper operation by performing the following resistance
and voltage measurements.2.11.2.1 Checking The 
Resistunce
Make the following resistance measurements at the station connector blocks under the following conditions.l
AC power cord disconnected from electrical outlet.l
Common equipment connected to station connector blocks.l
Stations wired and wiring punched down on blocks.l
Bridging clips removed from blocks to isolate stations from common equipment.
1.Measure the resistance of each installed station and wiring from the station side of the connector blocks.
Resistance values will vary with cable length and station type but should be within the following limits.
2.Measure the resistance of the common equipment and cables from the common equipment side of the station
connector blocks. Resistance values should be within the following limits.
Pair
Aux Pair03-100
Open
40-1500.3-1000.3-100
OpenN/AN/A
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							IMI66-068Instauation2.11.2.2 Checking The 
Voltuge
Make the following voltage measurements at the station connector blocks under the following conditions:l
Bridging clips installed.
AC power connected to the common equipment
Measure the voltage across one voice line and one data line and then across the other voice line and the other data
line for each even and odd station. The measured voltage must be as follows:
2.X2.3Doing A General Check
./1.Check the red light emitting diode (LED) system status indicator. Be sure that it is on steady. If it is off or
flashing, refer to the paragraph below titled, Failure Isolation.
2.Once the basic system is verified as operational, perform the class of service programming as described in
Chapter 3.
STATION
(Repeat for each odd station
Voice 6(+>
Data 8C-1-33 +I- 8 VDC
1 Variant readings can indicate a possible wiring, station,or common equipment problem.I
. . . ..:
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							Instuk?utionI166068
2.12 Isolating System Failures2.12.1 Checking The System Status Indicator
A red LED located on the common equipment cabinet near the cassette/music port is the system status indicator.
When the system has power, this indicator stays lit.If the indicator flashes after power-up, it could be indicating a
processor failure.Unplug and reconnect the AC power to the power supply and observe the LED indication. If it
still shows a flashing indication, equipment replacement may be necessary.2.12.2 Doing A Station Self Test
You can self test the multiline stations for proper operation using the following instructions:
1.Disconnect line cord at station base.
NOTE: The adjacent odd or even station will momentarily be disabled during the time that the station line cord is
being disconnected or reconnected.
2.Press and hold MUTE and reconnect line cord to station connector. Station will automatically perform self test
routine.
3.Release MUTE as soon as test begins. Sequence of test is as follows:l
Indicators will light in sequencel
Indicators will then turn off in an orderly sequencel
Ringer will sound-be sure volume is set to med. or high
4.Replace any station that does not pass the self test.
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							ZMZ66-0682.12.3 Doing A 
DSS/BLF Console Self Test
The DSWBLF Consoles can be self tested for proper operation as follows:
1.Disconnect console line cord plug from line.
2.Press and hold console key Cl0 while reconnecting line cord plug to line.
NOTE: The companion station will momentarily be disabled during the time that the console is being disconnected
and reconnected.
3.Release console key ClO, and note that BLF indicators will each turn on in sequence beginning with station 10
indicator. Indicators will then turn off and console will become operational.2.12.4 Checking Failure Indications
If erratic light indications or ring signals occur at a paired station, an open data pair at either station may be the
cause.A station with an open data line may work properly on a short loop but fail on a long loop.
Stations are paired for overload current protection.
If a fault occurs that causes more than 300 milliamps of current
to be drawn, the overload paired stations are disabled by circuit action.Disconnect the disabled stations and
reconnect them one at a time to isolate the faulty one.
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							ZnstuliutionZMZ66-068
2.13 Installer/User Information
Regarding FCC Rules And Regulations
This electronic key system complies with Federal Communications Commission (FCC) Rules, Part 68. The FCC
registration label on the KSU contains the FCC registration number, the ringer equivalence number, the model
number, and the serial number or production date of the system.2.13.1 Notification To Telephone Company
Unless a telephone operating company provides and installs the system, the telephone operating company which
provides the lines must be notified before a connection is made to them. The lines (telephone numbers) involved,
the FCC registration number, and the ringer equivalence number must be provided to the telephone company. The
FCC registration number and the ringer equivalence number of this equipment are provided on the label attached to
the KSU.The user/installer is required to notify the telephone company when final disconnection of this equipment
from the telephone company line occurs.2.13.2 Compatibility With Telephone Network
When necessary, the telephone operating company provides information on the maximum number of telephones or
ringers that can be connected to one line, as well as any other applicable technical information. The telephone
operating company can temporarily discontinue service and make changes which could effect the operation of this
equipment.They must, however, provide adequate notice, in writing, of any future equipment changes that would
make the system incompatible.2.13.3 Installation Requirements
Connection of the electronic key system to the telephone lines must be through a universal service order code
(USOC) outlet jack supplied by the telephone operating company. If the installation site 
does not have the proper
outlet, ask the telephone company business office to install one.
The correct outlet jack for this system is either a 1
type RJ21X or type RJ14C.
2.13.4 Party Lines And Coin Lines
Local telephone company regulations may not permit connections to party lines and coin lines by anyone except the
telephone operating company.2.13.5 Troubleshooting
If a service problem occurs, first try to determine if the trouble is in the on-site system or in the telephone company
equipment. Disconnect all equipment not owned by the telephone company.
If this corrects the problem, the faulty equipment must not be reconnected to the telephone line until the problem has
been corrected.Any trouble that causes improper operation of the telephone network may require the telephone
company to discontinue service to the trouble site after they notify the user of the reason.
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