Comdial Executech II Model 816 Instructions Manual

							2. 
3. 
4. 
5. 
6. 
7. 
8. Installation 
. 
IMI 66-031 , 
VOICE PAIR: 45 OHMS TYPICAL (40 OHMS MIN.--150 OHMS MAX.) 
DATA PAIR: 
45 OHMS TYPICAL (40 OHMS MIN.--150 OHMS MAX.) 
Readings which are outside of the above range indicate a 
possible wiring or station problem. .? 
Connect the 250pair cables, and plug the AC power plug of the 
KSU 
into the electrical outlet. 
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. Make the measurements at the 66M-xx blocks 
(refer to Figures 4 and 5 as needed). The measured voltage must 
be as follows: 
each odd sta. 
I 
I I 
Readings other than those shown above indicate a 
possible wiring or KSU problem. 
-1 
Check the red light emitting diode (LED) system status indicator. 
Be sure that it is on steady. If it is off or flashing, 
disconnect and reconnect the AC power plug. 
If the indicator is 
still not on steady, refer to the Failure Analysis Flow Chart 
found in Chapter 5. 
. 
Refer to the information provided in Chapter 3 for operating 
information. 
From each telephone station, 
initiate and receive an outside line 
and an intercom line call. Be sure to set the ringer volume to 
the medimum or high volume setting at each station. 
Exercise every feature and option available at each individual 
station. Be sure that the line select indicators and any other 
indicators function properly. 
Once the basic system is verified as completely operational, set 
the system clock per the instructions given below. Then, refer to 
Chapter 4 and perform the Class Of Service programming. 
30  
						

							Installation 
IMI 66-031 ; 
SYSTEM CLOCK INFORMATION 
2 
sisidaaaa 
From station 10, 
set the system clock to the current time.as follows: 
1. Press 
0 ITCM 
, then dial 
2. Dial the clock date with the key pad keys 
00 00 00 0000 YEAR 
MONTH DAY HOUR MINUTE 
NOTE 
Values less than 10 must be dialed as OX, and hours must be 
expressed in the 240hour format. 
3. If the SMDR printer is installed and operating, the clock date 
will be printed as illustrated in the following typical example. 
** 01/08/86 16:00 
4. 
Reset the minutes setting, if necessary, as follows: 
a. 
Repeat step 1. 
b. 
Dial the new setting digits, and press the #p 
0 key. 
C. A new clock date printing will occur. 
Obtain a printing of the current clock date whenever needed: 
At station 10, press 
0 ITCM and dial@a(# 
A clock date printing will occur automatically once each 24-hour 
period. This daily, automatic printing will be: 
** MO/DY/YR 0O:OO 
(current date and 0O:OO hours) 
31  
						

							Installation IMI 66-031 , 
The system clock will continue to run for at least 30 minutes after AC 
power has been removed form the system. If power is restored within 
the 30-minute backup period, the following printing sequence will 
occur: 
OFF TIME ** MO/DY/YR HR:MN (time of power outage) 
** MO/DY/YR HR:MN (time of power return) 
If power is not restored within the backup period, the following 
printing sequence will occur when the power is 
restored. 
CLOCK NOT VALID! 
** 12/01/86 OO:OO( (default clock date) 
The clock will begin running from the default date. It must be reset 
to the current date per the instructions above. 
.- 
. 
32  
						

							Operation 
_ 
/ 
IMI 66-031 ss 
CHAPTER 3 
SYSTEM OPERATION 
SECTION 1 
DETAILED OPERATING 
INSTRUCTIONS 
This section provides detailed operating procedures for all station 
features. 
The illustration shown in Figure 6 points out the operating 
controls of the stations. Some features and options 
illustrated and 
described herein may not be available on every station in the system. 
STATION 12 
1 
THROUGH 
I STATION 18 FIXED DSS 
STATION SELECTOR 
LOCATIONS 
2 00 &-- 
00 00 
00 00 
00 00 
RECALL STATION IQ 
1 
THROUGH 
I 
STATION 25 MEMORY DIALING FEATURES 
l Auto Dialing of Special Number l Direct Station Select (DSS) Intercom l Feature Code Dialing 
AUTO REDIAL 
MEMORY KEY #l 
YEMORV KEY # l Repeatedly Redials 
Last Number Dialed 
(Unless programmed as 
I *n autodial location) 
l Transfer Access l Dial Tone Recall (Flash) l Call Transfer EMORY KEY 114 
SAVE l Save Last Number Dialed l Store Auto/Speed Dial 
Numbers OLUME CONTROL l Adjusts Voice Volume 
MUTE 
l Prevent distant party fro 
l Last Number Redial l Pulse/Tone Switching 
l Speaker Off (Monitor) l End Handsfree Call 
(Speakerphone Model) 
l Do Not Disturb System Speed Dial Enable 
Intercom Line Selector 
n and Key Pad Functions 
RINGER CONTROL (ON BASE) 
A 5-key telephone 
l Adjust Volume of Ringer Tone 
trative purposes 
phone set is also a LINE SELECTORS 
OUT DIRECTORY 
for use with syste 
l Select Line 
line capacity. Both 5-key and lo-key config- l Enable Conferencing 
urations are available as handsfree dialing l Enable Speaker For On-Hook Dialing 
models and as full speakerphone models. 
NOTE: Um rM keys m numbered lrom WI to tQhL Key 41 b nexi 
tobeHOLD key. K~ys4lhrough 8 (whmmU.bie)oecup),.,,uppr 
- “WI 4 b.kW MA.4 dlm(ly ,b”. th. HOLD k.y. 
Figure 6. Station Controls and Indicators 
33  
						

							Operation 
BASIC OPERATION IMI 66-031. . 
ORIGINATE A CALL (OUTSIDE LINE) 
Press an unlighted line select key. When the dial tone is heard, dial 
the desired number. The line select indicator will wink Slowly at the 
calling station and be on steady at all other stations when the line 
select key is pressed. The station speaker will sound the dial tone 
and the ring back or busv tone sicrnals. If the calling station is not 
a speakerphone, the user-must lifi the handset to compiete the call 
when the called party answers. If a busy tone is received or no 
answer is heard, the user must press the *tDN,TOR 
0 
key to end the call. 
ANSWER A CALL (OUTSIDX LINE) 
Press the line select key with the flashing indicator, and lift the 
handset. The indicator changes from flashing to a wink off at the 
calling station and to a steady bright at all other stations. 
MANUAL HOLD 
kUdAcallUU&W& SHIFT 
Ask 
the outside party to wait, and press the 0 HoLD- key. 
The call 
goes on hoiflFTnd the indicator changes to winking at 
soon the 
0 
key is pressed, the user can hang up 
HOLD 
a21 stations. 
or use any 
available telephone function. To return to the held 
line select key. 
Refer to the paragraph headed Q&,& 
discussion on transferring a held call. As 
7 
party, press the 
. 
i$.JwmB for a 
If a held party hangs up, the key system will: wait a programmed 
period of time, automatically return the holding station to an idle 
condition, 
and turn off the line select indicator. This feature is 
contingent upon the availability of a loop disconnect feature in the 
TELCO/PBX equipment. 
If the key system is so programmed, the line select indicator will 
flutter rapidly at all stations and three quick tones bursts will 
sound at the holding station when someone has been on hold beyond a 
predetermined time. The holding station will periodically sound the 
three quick tone bursts as long as the call remains on hold. 
SHIFT If the 
0 HOLD key is pressed twice and no other stations are connected 
to the same line, an exclusive hold condition is activated. The line 
Select indicator will be on steady at all other stations and will wink 
off at the calling station. An exclusive hold will prevent any other 
station from accessing the held line. 
Should a recall from hold 
occur, the exclusive hold condition will revert to a standard hold 
34  
						

							_ 
Operation IMI 66-031 
: 
.- condition allowing any other station to access the line. 
2. 
3. 
4. Press the 
ITCM 
SJ key. The intercom dial tone will sound, and the 
intercom in lcator of the calling station will wink slowlY. 
Dial the intercom number of the desired station. If the handset 
is off-hook, press the 
0 ITCM key again. This action places the 
called station in a tone signalling mode. A double ringing tone 
burst, repeated every 4 seconds, will be heard at the station 
being called. Two bursts of a ring back tone will be heard at 
your station every 4 seconds. 
If handset on the calling station is on-hook when the called party 
answers, it must be lifted to complete the conversation link. 
If the called station is busy on another intercom call, the system 
will return a busy tone. If the called station is busy on an 
outside call, 
the system will return a fast ring back tone. The 
caller may wait for the called party to answer or disconnect by 
pressing the 
When the ringing tone sounds, the user must lift the handset to answer 
the call. 
If currently engaged in a call on an outside line, the user 
may disconnect from it by pressing the hookswitch, or place it on hold 
by pressing the 
observed. 
0 ,TCM 
key when the flashing intercom indicator is 
1. 
2. 
3. 
4. Lift the handset (even when using a speakerphone), press the 
.U 
ITCM 
key, 
and listen for the dial tone. Dial the intercom number of 
the desired station. 
The calling station will sound a single tone burst to let the user 
know that the voice signalling mode is active. They can speak 
their message after hearing this confirming tone. 
If the called station is busy on an outside call, the system will 
revert to a tone signalling mode and the calling station will 
receive a fast ring back tone. 
If the called station is busy on an intercom call, the calling 
station receive a busy tone. 
Ansble&W B JiQbx $ii!!bama ;68tr?rcom iaL& 
L. A user can respond to a single tone burst followed by a callers voice 
without lifting the handset. They need only to speak toward the 
35  
						

							Operation 
IMI 66-031 : 
telephone in a normal tone of voice. 
A two way conversation may 
continue in this handsfree manner or the user can lift the handset for 
a private conversation. 
CALL TRANSFER 
If the incoming line is common to the calling station and to the 
station to which a transfer is to be made, 
a common line pick UP 
transfer can be effected by the station user. 
follows: To do so, proceed 
as 
1. 
While the call is active, press the 
0 lTCM key. 
This action 
automatically places the call on hold. 
2. 
Make an intercom call to the station to which a transfer is 
desired, announce the call, identify the line, and hang up. 
3. 
That station user must press the line select key of the called 
station to pick up the call. 
If the called station does not have direct access to the active line 
to receive a transferred call, 
transfer a call. follow the procedure detailed below 
to 
1. 
2. 
3. While the call is active, press the 
0 ITCM key. 
This action 
automatically places the call on hold. Use the intercom to 
contact the station to which the transfer is directed. 
The user of the called station must lift the handset to accept a 
transferred call. 
call, Once the called station is ready to receive the 
the caller must press the RECALL 
The transfer will take place. 
0 
key on the calling station. 
If the called station does not answer, the caller can press the 
RECALL key on the calling station to return to the held party. If 
the called party declines the call, they must hang up. 
0 
The caller 
can then press the RECALL key to return to the held party. 
MULTILINE CONFERENCING 
The key system will allow one telephone set to access two outside 
lines at the same time. The resulting three-way conversation is 
referred to as multiline conferencing. 
feature, When using this conferencing 
it should be noted that under certain line conditions 
transmission levels may not be adequate. 
To enable multiline 
conferencing, the station user must perform the following procedure. 
1. 
Answer or make a call, and place it on hold. 
2. Select an idle line, and make a second call. 
36  
						

							Operation 
IMI 66-031 
Establish the conference per the following steps: 
a. 
Press and hold the line select key of the second call. 
b. 
Press the line select key of the first call. 
C. 
Release both line select keys. 
Both lines are now connected to the same station in a conference call. 
4. 
5. 
6. 
7, The user can selectively disconnect one member of the conference 
call while saving the other by pressing the line select key of the 
line to be saved. The other line will automatically be 
disconnected. 
The user may hold conferenced lines and use other telephone 
features. The conference call can be re-established per step 3, 
above. 
Other stations may be added to the conference call by placing the 
conferenced line on hold and then releasing privacy. Refer to the 
paragraph titled m m mu &$,&&Jja for details. 
End the conference call by hanging up. 
AUTOMATIC PRIVACY 
A station can be programmed to operate in a normally private or a 
non-private mode. 
This feature can be programmed on a per line basis. 
The system manager determines station features. 
The private mode, when programmed, allows exclusive use of an active. 
line. 
NO other station can connect to an active line unless the 
add-on conferencing feature described below is used. 
In the non-private mode, when it is programmed, several stations in 
the system can connect to a line at one time. When a station is 
connected to a line, 
other stations can also connect to it. 
Another 
station user may connect to a line by pressing the line select key on 
their station. 
The resulting conference is referred to as common line 
pick up. 
37  
						

							Operation IMI 66-031 , 
i ADD-ON CONFERENCE/PRIVACY RELEASE . 
Once a station connects to a line in a private mode, all other 
stations are excluded from connecting to it. 
A user can add other 
stations to that line as follows: 
1. 
Place the call on hold, and use the intercom feature to invite an 
additional station to join the line. 
2. 
Press and hold the line select key on the first station. 
This 
makes the line non-secure. The 
user of the second station must 
press the same line select key to join the line. 
3. Release the line select 
key after the other station has joined the : 
conversation to return the line to a private condition for both 
stations. 
FEATURES OPERATION 
LAST NUMBER REDIAL 
A station is equipped with a last number redial feature, it may be 
used to repeat the last number manually dialed from the dial pad. A 
station user may employ the feature as follows: 
1. Press the 
0 # B monitor speaker, key. The station will automatically turn on the 
select the station prime line, if available, or -7 
the last active line, and will dial the last number (up to 31 
digits) that was dialed from the keypad. 
NOTE 
The keypad always exists, at idle, as an automatic line 
select speed dialer. 
If a line select key is pressed to 
select a line, the station converts the keypad to a manual 
dialing mode. 
Therefore, 
to avoid the need to manually dial 
a number after manually selecting a line, the user must 
SHIFT 
convert the keypad back into a speed dialer by pressing the 
key. 
0 HOLD 
2. 
Listen for an answer or a busy tone. up the handset to 
complete an answered call. key to terminate a 
busy or unanswered call. 
SAVED NUMBER REDIAL 
The %VE 
0 key can be used to store the last number manually dialed 
from the keypad. After the number is dialed and before any other 
numbers are dialed, 
the user can press the m key to cause the 
last manually dialed number to be stored for later recall. This 
number remains stored until replaced by another one. This action can 
be taken while the station is either on-hook or off-hook. To dial 
using the saved last number feature, the user must do as follows: 
38  
						

							.I Operation 
IMI 66-031 
SHIFT 
Press the HoLD 0 key and immediately press the SAVE 0 key. 
The station will automatically turn on the monitor speaker: select 
the station prime line, if available, or the last active line; and 
dial the saved number. 
2. 
Listen for an answer or a busy tone. Pick up the handset to 
complete an answered call. 
Press the 
MONITOR 
0 
key to terminate a 
busy or unanswered call. 
AUTOMATIC REDIAL (OF BUSY NUMBERS) 
An automatic redial of a busy number can be performed 
by a station 
user. This feature is available when the station is connected to a 
line and a dialing operation has taken place resulting in a busy 
signal or no answer. Automatic redial is automatically disabled 
whenever a memory dialing.feature is programmed at memory key 14 but 
” 
is 
To 
1. automatically restored when the programmed feature is cleared. 
use the automatic redial feature, proceed as follows: 
When the busy number signal is heard 
(AUTO REDIAL). , press the memory key 14 
Hang up the handset if off hook. 
The 
0 ITCM light 
will flash rapidly to indicate that automatic redial is active. 
r 
2. 
3. After a 1 minute wait, 
the system will activate the station 
monitor speaker, 
reselect the line, 
and redial the number. 
If the 
handset is not picked up or the MON,TOR key is not pressed 
0 (because of a continued busy signal), the line will be dropped 
approximately 20 seconds after the number is completely dialed. 
Automatic redial action will repeat ten times. If the ringing 
tone is heard, the handset must be picked up or the MON,TOR key 
0 . pressed to take control of the call. The indicator will stop 
flashing when this action is taken. 
NOTE 
On a s eakerphone, 
ii take control of a call either by pressing 
the MON,TOR key or by lifting the handset. Although a 
conversation can be established on a speakerphone without 
taking control of the call, the line will be disconnected 
within 20 seconds if control action is not taken. 
Cancel the automatic redial by lifting and replacing the handset. 
Any other use of the station while the automatic redial feature is 
active will cancel further automatic redial action. 
The indicator 
will stop flashing when automatic redial is cancelled. 
39