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...

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...

Installation
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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...

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-...

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...

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...

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...

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...

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...