Panasonic Dbs 824 Instructions Manual

4-2DBS 824-l O-300issued 3/l /95 

Trunks and LinesTrunksTrunk Connectors
Each DBS 824 backplane supports four loop start trunks using two RJ14
trunk connectors, labeled CN7 and 
CN9 (CN8 is used for Option Port Lines )
In addition, each installed 208 EXP (VB-42651) card supports two loop start
trunks using an RJ14 trunk connector, labeled CN2
Figure 4-l shows the maximum number of trunks that can be used with a
DBS 824
OPL USE ONLY
1A A
Figure 4-I DBS 824 trunk connections
MDFIssued 
3/l /95DBS 824-l O-3004-3 

Trunks
Trunk Connector PinoutsTrunks and Lines
Figure 4-2 includes pinouts and color codes for the RJ14 trunk connectors
CN7 and CN9 on the main backplane and CN2 trunk expansion connector on
the the two optional 208 EXP circuit cards
Fimre 4 2DBS 824 trunklOPL Dinoutsr
Backplane
CN7CN8CN9
Trunk
Port 1
T TrunkR
Port 2
Leftmost 208 EXP
CN2
T
TrunkPort 6
R
OPLPort 1
T OPL R
Port 2II T 
R
Trunk
Port 3
T TrunkR
Port 4
Second 208 EXP
CN2
T
TrunkTrunk Lport aPort 7 7
R
4-4DES 824-l O-300Issued 3/l /95 

Trunks and LinesLoop-Start TrunksLoop-Start TrunksGuidelines
l
The following procedure covers loop-start trunk installation using the main
and expansion RJ14 trunk connectorsl
For pinouts and color codes for the trunk connectors, see Figure 4-2
Installation
1If using trunks 5 and 6, ensure that a 208 EXP card in the leftmost 208
slot If using trunks 7 and 8, ensure that a 208 EXP card is installed in the
second 208 
sIot (Note A CPC-M card is required when using the second
208 EXP 
card See Chapter 3 for...

LinesTrunks and Lines
IIRS 824 erteminn cnnnectinnsMDF
ExteExtension 1
Extension 24
Extension Connector Pinouts
Table 4-2 provides pinouts and color codes for extension slots
4-6DBS 824-l O-300Issued 3/l /95 

Trunksand LinesLines
Table 4 2Pinouts for Extension Port Connector CN6Circuit Location
DBS 824 KSU
First (Leftmost)
208 EXP CircuitCard
Second 208 EXPCircuit Card
No Connection
BR WH44R
Port5WHSL305-r10414
SL WH55RPort6RD EL316T10515
issued 3/l/95DBS 824-10-3004-7 

Digital ExtensionsTrunks and LinesDigital Extensions
The following instructions explain how to connect digital extensions These
instructions apply for key phones and Digital Single-Line Telephones
(DSLTs)
Separate instructions are provided for installing the DSS/72 and EM24
terminals, which connect to digital phones
1Use a standard 50-pin cable to connect the extensions from the MDF to
the CN6 connector on the DBS 824 KSU backplane, as shown in Figure
4-3 on page 4-6(Refer to Table 4-2 for extension...

Trunks and LinesDSW2
pzre 4-4 DSSl72 connection
Two-Conductor
CableFour ConductorCable
Red
Mountina PlateCable
I II
JFlat Head Screw------* 88Flat Head Screw------*Two-Conduct0Modular Jack
To digital extertsion ports(Ports 1 and 2 are attendant
phones by default)Se careful rrot to reverse
DSS and key phone wiring
Issued 3/l /95DBS 824-l O-300 

EM/24Trunks and Lines
EM/24
Guidelines
lThe EM/24 WB-433 10) provides 24 flexible function (FF) keys it can be
attached to any key phone
lThe EM/24 includes with a mounting bracket, screws, and a two-conductor
cable for attaching it to a key phone
Installation
1Attach the EM/24 to the key phone using the mounting plate and the four
screws as shown in Figure 4-5
2Connect the EM/24 to the key phone using the two-conductor cable
3Connect the EM/24 to the wall jack using a four-conductor cable
4Connect the...

Trunks and LinesAnalog ExtensionsAnalog Extensions
Guidelines
lAnalog extensions require the Single Line Telephone Adaptor (SLTA)
(V&43709) One SLTA supports up to 4 Single Line Telephones
.Each SLT extension requires a digital extension port connection to the
SLTA
Ins talla tion
1Remove the cover from the SLTA
2Remove the cable punch-out plate (Figure 4-6) to make an opening for
the cables coming into the SLTATo remove the plate cut the grooves on either side with diagonal cutters
Then bend the plate...