Panasonic Va-824 Key Telephone System Installation And Programming Manual

4. WIRING CONNECTION 
Wiring cables 
0 Be sure to connect as follows 
Y: 
YELLOW - 
Connect the cables to the modular connector and modular screw terminal so that the wires Y, G, R and B at both ends of the 
cable are parallel. 
Note that there are no polarity indications (plus or minus) for outer pins B and Y and inner pins R and G. 
CASE 1 
Connection of modular connector and modular-screw terminal. 
CASE 2 Connection to modular-screw terminal at both ends. 
.,;a~;m+~*~~E;,,:,. 
Modular-screw terminal...

5. CONNECTION OF OPTIONAL UNIT 
If you are not using key telephones other than those initially mounted, door boxes or external paging, you can disregard this 
section. 
Variation of card connection 
For installing more telephones, three variations are available to connect station card as shown below. Extention Nos. are 
indicated on each card depending on jacks. 
CASE 1 
Key TEL 24 pcs 
SLT 0 
DPH COL LCI LC2 LC3 LC-S 
(4KT) (4KT) (4KT) 
Station card I 
(VA-30940) 
CASE 2 
Key TEL 22 PCS 
SLT 2 pcs...

5. CONNECTION OF OPTIONAL UNIT 
c Extension of CO/PBX line 
Be sure the power switch is off, before installing or removing the cards. 
Make connections of an CO/PBX line card and to respective CO/PBX line according to the following procedure. When inserting 
the CO/PBX line card, make sure that the card top and bottom ribs are aligned with the respective slots located at the regular 
positions inside the key service unit. 
l Connection of CO/PBX line card WA- 
82444) 
Insert the CO/PBX line card into the...

( Connection of direct station selector (DSS) 
Profrom the connection of a direct station selector (DSS) and the fixing of the DSS console to a key telephone, according to 
the following procedures. 
However, when you use a DSS, programming must be performed (See page 45). 
0 Connection of DSS console (VA- 
82430) 
Connect the DSS console to the “EXT 
No. 11” connector-located inside the 
KSU. Note that the DSS console is 
paired for use with the key telephone 
connected to the “EXT No. IO” con- 
nector...

5. CONNECTION OF OPTIONAL UNIT 
( Connections of single line telephone or 2key TELsl2SLTs 
Make connections according to the following single line telephone connecting method and the 2 Key TEL/2 SLT connecting 
method. When inserting a card, make sure that the card top and bottom ribs are aligned with the respective slots located at 
the regular positions inside the key service unit. Programming is required for connecting a single fine telephone (See page 63). 
0 
Single line telephone 
(1) 
Connection...

Connection Qf door box 
Make connections of a door box card and of door box according to the following procedure. 
l Door box card (VA-30960) 
Insert a door box card into the key 
service unit. This one card is capable 
of making 2 door boxes usable. 
This card may be used for sensor and 
door openers. (See page 14) 
l Connection of door box 
Connect Door box A and B to the 
screw terminals (2 terminals make a 
pair) located on the door box card. 
Door box 6 
Door box A 
13 
3.86 in 
Door box A Door box...

5. CONNECTION OF OPTIONAL UNIT 
Connections of sensor and door opener 
Make connections of sensor and door opener according to the following procedures. 
l 
Connection of sensor 
(1) Insert a door box card (VA-30960) 
into the key service unit. 
This card makes sensor usable and also 
be used for door box. (See page 13) 
(2) Connect the sensor terminals (screw 
terminals) on the door box card to 
sensor to be used and must meet the 
following requirements for connec- 
tion. 
Requirements for connection...

Connection of SMDR - 
This system enables the output from KSU call record data for a telephone (duration of call, etc.) through the RS-232C inter- 
face. 
These data are output by the printer connected to KSU. 
Programming is necessary for outputting from KSU. (See page 48) 
0 Connection of printer 
Connect the RS-232C connector of KSU and the printer (KX-PI 08Oi) by means of the RS-232C cable. Note that because 
the printer (KX-P1080i) uses a parallel interface, KX-PIID is also necessary. See the manual...

5. CONNECTION OF OPTIONAL UNIT 
14 25 
VA-8241 0 RS-232C 
I I Printer RS-232C(KX-PilD) 
Circuit 
Type 
EIN Signal 
Name Pin No. and Connection Signal 
Name Circuit 
Type 
(EIA) 
AA FG 1 
1 I, 
BB RXD 2 . 
2 TXD , -, , 
BA TXD 3 .3 
RXI-I 1 RR 
CD DTR 6 
. ._.- 
YY 
I 
I -+6 DSR 
cc 
AB 
SG 7 
7 
SG AB 
I 
I 1 
CB ( CTS 1 20 4 20 DTR 
CD 
16  

External music on hold source and external paging system 
Make connections of the external music on hold (MOH) source and of the external paging system according to the following 
a 
External paging system 
(1 ) Connect an external amplifier to the 
“EPA-OUT” jack and to the “EPA-C” 
terminals inside the key service unit. 
The “EPA-C” terminals are to control 
turning ON/OFF of the external 
amplifier power.  procedure. 
0 
External music on hold source 
(1) Set the “MOH” switch inside the key 
service...