Charles Wescom DuaLine Plus DDL201 Operating and installation instructions

L
SOUTHWESTERN BELL TELEPHONE COMPANY
SWBT Standard section WSCM 363-400-801SW
ksue~ July 1993
WESCOM DUALINE PLUS
DIGITAL SINGLE SUBSCRIBER CARRIER SYSTEM
DDL 201 CENTRAL OFFICE
TERMINAL SHELF (23 INCHES)
L
1.01
1.02
1.03
1.04
1.05
1.08
2
201
202
GENE~
This section is acover sheet for the Wescom DuaUne Plus DDL 201 Central Oflke
Terminal Shelf for use at the subscriber location. This section is copyrighted and
reproduced with the permission of Charles Industries.
Whenever this section is reissued the reason(s) for reissue will be listed in this
paragraph.
The Wescom DuaLine Plus System is a general purpose digital single subscriber carrier
(DSSC) system that provides pair gain capability over anon-loaded, two wire, copper
facility.
The DuaLine Plus requires installation of acentral oflke terminal and afield module,
located at or near the subscriber premise.
Associated practices for installation and maintenance of the system are:
Section
363-400-800SW
502-204-800SW
502-204-801SW
502-204-802SW
363-400-802SW
363-400-803SW
363-400-804SW
363-400-805SW
502-204-803SW
502-204-804SW
n~
System Ovemiew
DDL 102 DuaLine Plus Remote
Terminal
DDL 104 DuaLine Plus Remote
Terminal
DDL 112 DuaL#nePlus Remote
Terminal
DDL 210 DuaLine Plus Central
O!lke Terminal (CO’Tl Power Unit
DDL 221 DuaLine Plus Central
Office Terminal (COTj Common
unit
DDL 230 DuaLine Plus Central
Offiice Terminal (CO”ll Line Unit
DDL 391 DuaLine Plus Une Unit
DDL 190 DuaLine Plus Remote
Terminal Simulator
Digital Signal lYak-A-Tone
Model 92-5
If corrections are required in the attached document use Form-3973 as described in
Section 000-010-015.
If manufacturing and/or design problems are encountered, refer to Section
SW 010-522-906 for procedures on filing an Engineering Complaint.
ORDERING PROCEDURES
Components of the DuaLine Plus System maybe ordered via the southwestern Inventoxy
Management System (SWIMS).
To order additional copies of this practice, use WSCM 363-400-801 SW.
PROPRIETARY
Not for use or disclosure outside Soutwestem Bell
Telephone Company except under written agreement.

mWescom
~ACharles industries Company
Section DDL-201-301
Eauioment Issue 1
Second Printing,” December 1992
Wescom@DDL201 DuaLine Plusm
Central Office Terminal Shelf (23-inch)
General Description, InstallationAnd Turn-Up Procedures
clXl~Code: SIMCWU091?A
CONTENTS PAGE
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . ,. . . . . 1
FCC PART 15 SUBPART B, CLASS A
REQUIREMENTS .........................1
SITE REQUIREMENTS . . . . . . . . . . . . . . . . . ...1
INSPECTION .....!... ...................2
COT SHELF INSTALLATION ...............2
POWER CONNECTIONS ...................5
SIGNAL CABLING ........................5
COT MODULE INSTALLATION
AND POWER UP . . . . . . . . . . . . . . . . . . . . . . 6
PRE-PROVISIONING .....................8
GENERAL
The Central Office Terminal (COT) is arack mount
shelf unit and is located in the CO or CEV. One fully
equipped shelf is capable of supporting 12 DDL1XX
RT units. The COT is comprised of the following
units:
●DDL201 COT (23-inch) Shelf; the rack
mountable shelf is installed in aCentral Office
(CO) or Controlled Environment Vault (CEV)
which contains the COT units.
●DDL21 OCOT Power Unit; the plug-in power
supply in the COT shelf (one per shelf).
●DDL221 COT Common Unit; the plug-in unit
which performs common functions, such as
alarms, for the COT shelf (one per shelf).
cDDL230 or DDL235 COT Line Unit; the plug-in
unit which connects two lines from a
co-located CO or Digital Loop Carrier Remote
Terminal (DLC RT) to the local loop which is
being used as a 2-wire Digital Subscriber Line
(1 to 12 per shelf).
This practice is reprinted to make reference to the
DDL235 COT Line Unit. An editorial update is also
included.
FCC PART 15 SUBPART B, CLASS A
REQUIREMENTS
The A92-DDL201 COT Shelf, when configured with
the C91 -DDL21 O Power Supply Unit, the A91 -DDL221
Common Control Unit, and C91 -DDL230 Line Units,
(or their later issues), complies with the limits for a
Class Adigital device pursuant to SubpaR 15 of FCC
Rules. These requirements are designed to provide
reasonable protection against interference when
operated in acommercial environment, This
equipment generates and uses radio frequency
energy, and if not installed and used properly in
accordance with this user’s manual, may cause
interference to radio communications. Operation of
this equipment in aresidential area is likely to cause
interference; in which case, the user, at his own
expense, will be required to take whatever measures
may be required to correct the interference.
SITE REQUIREMENTS
The COT (23-inch) Shelf mounts in astandard
23-inch relay rack and occupies 7inches of vertical
rack space (four 1.75 inch rack mounting spaces).
One shelf has positions for one DDL221 COT
Common Unit, one DDL21 OCOT Power Unit and up
to 12 DDL230 or DDL235 COT Line Units, 25-Pair
Amphenol type connectors are used for CO line and
DSL (Digital Subscriber Line) connections.
The shelf is locally powered with -48Vdc Battery and
ground connections.
Tool Requirements
The following tools are required for mounting the
Shelf:
●Aflat blade screwdriver for Number 6screws
used on the COT mounting bracket.
●Afastening tool for whatever rack fasteners
are used.
●Wire cutting and stripping tools for power
wiring.
●TooIs for fabricating 25-pair cables with
Amphenol-type connectors.
●Test gear for checking COT voltages.
@1992Charles IndustriesLtd.
All rightsreserved
Wescom is aregisteredtrademarkof Charles IndustriesLtd.
Dual-ins Plus Is atrademarkof Charles IndustriesLtd. Page 1of 9
printed in UnitedStates of Amerioa.
The availabilityof features and technicalapeoificationshereinsubjectto change withoutnotice,

Section DDL-201-301
+AIR FLOW fylUST NO-
BE RESTRICTED
‘} MAXIMUM OF 5COT
SHELVES IN AGROUP.
MAxWJJy &I;OUPS
iMINIMUM OF 3.5 INCHES
(2u) BETWEEN THE 2
GROUPS OF SHELVES. NC
EQUIPMENT SHOULD BE
MOUNTED IN THIS SPACE
MAXIMUM OF 5COT
SHELVES IN AGROUP.
igure 1. COT Shelf
J
—AIR FLOW MUST NOT
BE RESTRICTED
Orientation For ProDer
Heat Dissipation –r-
Rack Requirements
●Astandard 23-inch relay rack (channel or
unequal flange) for COT mounting.
●Maximum of 10 shelves per rack for proper
heat dissipation. See Figure 1.
●Primary surge protection should be provided
for any exposed lines.
●Power from afused battery distribution panel.
Environmen@l Requirements
●Asheltered temperature-controlled
environment.
●An ambient temperature within the range of
32° to 122° F(0° to 50° C).
●Sufficient space should be provided both in
front of and behind the shelf to allow free
access to the equipment.
INSPECTION
Inspect the equipment thoroughly upon delivery. If
the equipment has been damaged in transit,
2
immediately report the extent of damage to the
transportation company.
Wescom equipment is identified by amodel and
issue number imprinted on the front panel or located
elsewhere on the equipment. Each time amajor
engineering design change is made on the
equipment, the issue number is advanced by one
number on any following models that are
manufactured. Therefore, be sure to include both
the model number and its issue number when
making inquiries about the equipment.
Each COT module is shipped in astatic-protective
package to prevent electrostatic charges from
damaging CMOS devices. Aunit intended for future
use should be tested as soon as possible and
returned to its protective package for storage.
~< STATIC-SENSITIVE ~<
COT SHELF INSTALLATION
After the site requirements have been verified, the
COT shelf may be installed at the specified location.
(a) Locate the COT shelf and obtain the appro-
priate shelf mounting hardware.
(b) Determine and obtain the tools required for
the shelf mounting hardware.
NOTE
~
The COT shelf should be empty during the shelf
mounting procedures. If any modules are in the
COT, remove and store them maccordance with
static sensitive device storage procedures.
d‘

Section DDL-201-301
COT Shelf Mounting Brackets If the COT shelf mounting brackets are shipped
The position and orientation of the shelf mounting loose or need to be reinstalled, use the following
brackets is dependent on the type of rack used for mocedures.
COT mounting ~The shelf may be front mounted in a“
Front Mount Bracket Position
standard channel rack (5 inch projection) or rear For astandard front mount rack, the mounting
mounted in an unequal flange duct type rack. The bracket must be fastened to the two mounting holes
shelf may be shipped with the mounting brackets closest to the front of the shelf.
installed in one of two mounting positions or shipped (a) Position one of the mounting brackets at the
loose (see Figure 2).
BRACK~ BRACKHG
MOUNTING MOUNTING
BRACK~ BRACK~
/FRONT
UNEVEN
FLANGE
first set of holes (Figure 3). The flange of
the bracket is toward the rear of the shelf.
(b) Screw the bracket in place from inside the
shelf using the two #6 mounting screws for
the bracket.
(c) Fasten two #6 nuts to mounting bracket
screws.
(d) Repeat for the other side of the shelf.
Rear Mount Bracket Position
The shelf is mounted from the rear of the rack and
the second set of shelf mounting holes (second
position from front) is used for the two shelf
mounting brackets.
(a) Position one of the mounting brackets at the
second set of holes (Figure 4). The flange of
the bracket is toward the front of the shelf.
(b) Screw the bracket in place from inside the
shelf using the two #6 mounting screws for
the bracket.
(c) Fasten two #6 nuts to mounting bracket
Figure 2. Mounting Bracket Orientation (Top View) screws,
(d) Repeat for the other side of the shelf,
.........
MO[
BRACK~ /~&&~z
FRONT C&
e?” MOUNTING
BRACKET
K
3“
NUT
Figure 3. Shelf Mounting Bracket Position for Standard Front Mount
3

Section DDL-201-301
Rack Mounting, Front mount Rack Mounting, Rear Mount
(a) From the front of the relay rack, position the (a) From the rear of the relay rack, position the
COT shelf in its relay rack mounting location COT shelf in its relay rack mounting location
(Figure 5). (Figure 6),
(b) Secure the COT shelf in its relay rack loca- (b) Secure the COT shelf in its relay rack loca-
tion using the appropriate rack mounting tion using the appropriate rack mounting
hardware in the left and right mounting hardware in the left and right mounting
bracket. bracket.
/
MOUNTING””?
\
BRACKET i..,.<,z:,:,:,:,:
SCREWS .,,,:~
..:::::.:,.,.,
FRONT S
o
{
Q
REAR OF SHELF
IMOUNTING
BRA\C~ /&
/
-- -. a?
/
,
MOUNTING
BRACK~
NUT
..
IUNEQUAL
IFLANGE
DUCT k
Figure 4. Shelf Mounting Bracket Positions for Uneven Flange Rack, Rear Mount
F387(b)
Figure 5. Front Rack Mount
-,.
P3S7(b)
Figure 6. Rear Rack Mount
4

b
.
u
,, ‘w
‘b
Section DDL-201 -301
POWER (a)
(b)
(c)
Obtain the appropriate gauge and length
wire for the frame ground (#1 4AWG is rec-
ommended). Connect one end to one of the
FRAME GND terminals of the COT shelf TB-1
terminal block (see Figure 7). Connect the
other end to office frame ground.
The COT is powered from the CO battery. It is rec-
ommended that the shelf be powered from afused
power distribution panel. Locate the (Y3T shelf
power terminal strip and connect the shelf power
wiring as shown in Figure 7. It is recommended that
14 or 16 AWG stranded wire be used for -48V and
ground. DO NOT exceed 14 feet of 16 AWG.
CAUTION Obtain the appropriate gauge and length
wire for the power ground. Connect one end
to one of the BATT GND terminals of the COT
shelf TB-1 terminal block (see Figure 7).
Connect the other end to the power ground
source (power distribution panel).
TB-1 5A (Recommended) Obtain the appropriate gauge and length
~;
THESE TERMINALS
1ARE COMMON
e= ‘~f-~D —
—
THESE TERMINALS
1ARE COMMON
s
THESE TERMINALS
@ARE COMMON
BATT
-48V wire for the -48Vdc battery. Connect one
end to one of the BATT-48V terminals of the
COT shelf TB-1 terminal block (see Figure
7). Connect the other end to the CO -48Vdc
battery source (power distribution panel).
BATT
-48V
BATT
GND
BATT
GND
FRAME
GND SIGNAL CABLING
Central Office line terminations and Digital
Subscriber Loop terminations are accessed through
connectors J15 and J16 respectively (Figure 8).
8KHZ EXT
INPUT
8KHZ
OUTPUT
CAUTION
A
B
Figure 7. COT Shelf Power Terminal Strip
TB-1
J14.
66: :66 J12 .
. . 56::65
. . J1l. J1O.
56: :55 56: :555?
:: ’130 ::
. . 56: :66 . .
. . . .
. . . . . . . .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. .
. . w+’ . .
. .
. .
. .
. .
. .
. .
. .
. .
. . . .
,.
. .
. . . .
. . . . . .
. . . .
. . . . . . . .
. . . . . .
. . . . . . . . . .
. . . . . .
. .
:: TB2::T63:: . .
. .
. .
. . . .
. . . . . . . .
. .
. . . .
. . . . . .
. . 25 PAIR AMPHENOL (FEMALE)
/
,. . . . . . .
. . . . . .
. . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .
. . . . .,
. . . . . .
. . . . . . . .
. .
. . . . . . . .
. . . .
. .
. . . .
. . . .
. . . .
. . ,.
. . . .
. . . .
. . . .
. . . .
. . . .
. .
. . . .
. . . . . . . .
.,
.,
. .
. .
. . . . ,. . .
. .
. .
. . . .
. . ,. . . . .
. .
. . . . . .
. .
. .
. . . .
. . . . . . . . . . . . . .
. . . . . .
. . . . ,.
. . . .
2.1::;{
. . . . 2..1
. . .
. . . . . .
. . . .
. . . . . .
/
. . . . .. . . . . . . . . . .
. . . . . . .. . . . . . . . . . .
::1 2::1 2:”1 2;:1 2;:1 2:;1 2;:1 2L:1 2::1
2::1 2;:1 2
. .
%-~DCHANNEL DATA
. .
I
P3B6 Figure 8. COT Shelf Backplane Connectors
8
-#
5::
:/

Section DDL-201 -301
CO Line Terminations
The CO line terminations are made via a25-pair Am-
phenol connector (JI5) on the COT shelf backplane
(Figure 8).
Table 1. COT Shelf CO Line and 2W Diaital
Subscriber Loop Terminations
(a) Obtain the appropriate type 25-pair cable for
the CO lines between the COT shelf and the
frame. Connect the cable to an appropriate
25-pair Amphenol-type male connector.
Refer Table 1for wiring information.
(b) Secure the connector to the J15 female
connector of the COT backplane.
(c) Terminate the other end of the cable at the
distribution frame.
Digital Subscriber Loop Terminations
The 2-Wire Digital Subscriber Loop terminations are
made via a25-pair Amphenol connector (JI 6) on
the COT shelf backplane (Figure 8).
(a) Obtain the appropriate type 25-pair cable for
the DSL lines between the COT shelf and the
frame. Connect the cable to an appropriate
25-pair Amphenol-type male connector.
Refer Table 1for wiring information.
(b) Secure the connector to the J16 female
connector of the COT backplane.
(c) Terminate the other end of the cable at the
frame.
Alarm Connections
The COT MAJOR/MINOR AUDIBLE COAS (Central Of-
fice Alarm System), MAJOR/MINOR VISUAL COAS,
ACO (Alarm Cut-Off), MAJOR/MINOR E2A, and SYS-
TEM ID alarm points are accessible at the COT shelf
backplane. Open relay contacts indicate non-alarm
condition. Wire-wrap to the backplane pins of TB2
2W DIGITAL
SUB~OC~~BER
1
2
COT
J16
=
1;;6
2T27
R2
3;;8
4T29
R4
5T30
R5
T26
RI
3
“J
T29
R4
4
5
++
6
7T32
R7
t
+
15 T40
R15
16 T41
R16
17 T42
R17
and TB3. It is recommended that 22 AWG wire be
used. Refer to Figure 9.
COT MODULE INSTALLATION AND
POWER UP
There are three types of DuaLine Plus modules used
in the COT shelf; DDL21 OCOT Power Unit, DDL221
COT Common Unit, and DDL23X (DDL230 or
DDL235) COT Line Unit (depicted in Figure 10). One
COT Common Unit and one COT Power Unit are nec-
essary for each shelf. They can power and control
from one to twelve COT Line Units and their respec-
tive DDL1 XX Remote Terminals (RT) at the sub-
scriber sites. Each COT Line Unit provides the inter-
face between two POTS lines and the DDL1XX RT,
6
T33
R8
8
9
18 IT43
R18
T35
R10
10
1
+-HE 11
wT37
R12
12 d

ti
;
Section DDL-201-301
..— —. ————— —————
BACKPLANE AIARM
PIN CONNECTIONS
u
rB2 TB3
e13 *10
0eMAJOR
evlsuAL
oALARM
o e
e @ MAJOR
*$LILI~E
@Q: ACO
e(NOTE) :W:l
e
e=*SY~:EM
ee~
*
———— ——_ 1
I
I
I
I
I
I
/
I
I
I
I
4
eI
eNOTE: ALL ALARM CONTACTS AREl
SHOWN IN THE OPERATED
I1f$?N%?%! NON-AIARM I
P3.W— ——— ——— ——— ——— ——— ——— ——— I
/
I
IBACKPIANE AIARM
PIN CONNECTIONS
::~+k$ii~. fiJiE!By
—————— —— CUSTOMER)
REMOTE ALARM CLEAR CONFIGURATION
NOTE: THE REMOTE ALARM CLEAR GROUND AND SENSORIS
SUPPLIEDBY THE DDU21 COT COMMON UNIT.
---
Figure 9. COT Common Unit Backplane External Alarm Pinout
Power-Up COT Shelf
Apply power to the fused power distribution panel
feeding the COT shelf. Using aDC voltmeter, check
for proper voltage across terminals 1(BATT-48V)
and 3(BATT GND) of the Shelf Power Terminal Strip
(TB-1 ). Verify avoltage between -42 and -56Vdc.
Install/Test COT Modules
After verification of proper voltage at the power ter-
minal strip (TB-1 ), COT module installation/test can
occur:
(a) Raise the locking bar at the top of the shelf.
(b) Insert and seat the COT Power Unit into its
slot (see Figures 10 and 11). The POWER
LED lights steady. If it does not light, there is
aproblem with the module or shelf power.
Check the COT Power Unit fuse and shelf
power at the shelf power terminal strip.
(c) Insert and seat the COT Common Unit in its
., slot next to the Power Unit (see Figures 10
and 11).
(d) Insert and seat the COT Line Units in their
assigned slots per facility plan (see Figures
10 and 11). The POWER/SELF TEST LED of
each module lights steady. If the POWER/
SELF TEST LED blinks continuously (self test
fail) or does not light for any COT Line Unit,
replace that module.
NOTE
If no corresponding DDLIXX RT unit is installed
and connected to the Digital Subscriber Loop, the
COT Common Unit Audible and Visual Alarms will
activate unless the COT Common Unit has been
placed in the ‘Pre-provision’ mode. Press the
ACO (AL4RM CUT OFF) pushbutton on the COT
Common Unit to cancel the alarms.
(e) After all equipped COT modules are in-
stalled, press the LED TEST pushbutton on
the Common Unit. All module LEDs should
light. If all LEDs do not light, replace module.
NOTE: The DDL23X COT Line Unit’s POWER/
SELF TEST LED will flash to indicate that full
idle power is being applied to the Digital Sub-
scriber Loop.
(f) Swing the locking bar (located at the top
front of the shelf) down into the latched
position.

Section DDL-201 -301
9
,!
PRE-PROVISIONING
The Pre-provisioning feature allows the user to install
COT Line Units in the COT Shelf without generating
alarms prior to the Line Units being synchronized
with the associated Remote Terminal (RT). This
allows the installation of the Line Units and the RTs at
different times. When aLine Unit synchronizes with
an RT, the Pre-provisioning feature for that line is
canceled and normal alarm reporting resumes. To
activate this feature, the following three-step
procedure must be performed.
(a)
(b)
(c)
(d)
(e)
(f)
(a)
Step 1
PreDare the DDL221 COT Common Unit for
Pre-rxovisionin~
Depress and hold the front panel LED TEST
push-button switch (DO NOT release).
Depress and hold the front panel ACO push-
button switch (DO NOT release),
Observe that the MAJOR AND MINOR LEDs
flash three times at afast rate and then ex-
tinguish.
Release the LED TEST and ACO push-but-
tons.
Observe that the Common Unit MAJOR AND
MINOR LEDs flash at aslow rate.
The DDL221 COT Common Unit is now
“Ready” for pre-provisioning.
Step 2
Install COT Line Uni@
Install the DDL Line Units in the shelf that are
to be pre-provisioned.
NOTE
IAny Line Units that were previously installed will I
not be pre-provisioned unless they ‘are unplugged
at this time (for at least five seconds) and then
[re-insta//ed.
(a)
(b)
(c)
(d)
(e)
Step 3
Activate Pre-movisionin~
Observe that the Common Unit MAJOR AND
MINOR LEDs are flashing at aslow rate.
Depress and hold the front panel LED TEST
push-button switch (DO NOT release).
Depress and hold the front panel ACO push-
button switch (DO NOT release).
Obsewe that the Common Unit MAJOR AND
MINOR LEDs flashes three times at afast
rate and then extinguish.
Release the LED TEST and ACO
push-buttons.
NOTE
If the “Ready” period of the COT Common Unit is
allowed to time out before the pre-provisioning is
Activated, all Line Units installed in the shelf (in
Step 2) will not be pre-provisioned and will repoti
alarm conditions. The “Ready” period of the
DDL221 COT Common Unit times out in twenty
minutes.
NOTE
I If power to the shelf is interrupted, anv Line Unit I
Iinstalled in the shelf will not” be pre-provisioned
and will reDort alarm conditions.
Alarm LEDs on pre-provisioned COT Line Units will
be lit. However the COT Common Unit will not report
alarms from these COT Line Units (LEDs or Relays).
The COT Common Unit will report alarms from in-
service COT Line Units.
Technical Assistance
If difficulty is encountered
mounting assemblies or
assistance is required,
with the installation of the
modules, and technical
contact the Technical
Services Department of Charles industries-Wescom,
by calling:
1-708-806-8500
FAX [phone]

u
Wescom
DDIJ?1O
COT POWER UN~
@POWER
1
FUSE
7.5A
.. ~
STATIC-SENSITIVE
rl
LLJ
91-DDL21O 1SS
DDI21O
COT POWER UNIT
Pos 1
=
p:
UNIT
@
@
:
@
L
............
~
Pos 3
.......................
=
COT
LINE
UNIT
@
@
e
@
@
L
,,,,.:.:.:.:.:.:.:.,,
Wescom
DDL221
COT COMMON UNI1
lhRlylJ3
@+%T
@AGO
~
STATIC-SENSITIVE
LI-J
91-DD1221 1SS
DDL221
POS4 Pos 5
. ,,
-:,0;
[
p:
UNIT UNIT
J
6363
:+=.:.:.:+:!.. :.:.:.2:.:.:.:.:..
COT COMMON UNIT
Figure 10, DuaLine Plus COT Modules
Pos 8
?=
:,0:
UNIT
@
@
@
@
@
1- ..,.,.,.,.,.,.,,,.,.,,
Pos 9
..........
?=
flog
UNIT
@
@
@
e
@
1- ,.,,,.,.,.,.,.,.,.:.,.
Figure 11. Fully Equipped COT Shelf Module Positions
Section DDL-201-301
‘RE1
Wescom
DDL23X
COTLINE UNIT
@SIGNAL
@ALM ON ON ON
@B;Y ON OFF ON
@‘3:Yor o/J Op
ALMALMALM
COT RT CBL
~
STATIC-SENSITIVE
rl
l!-
L-d
91-DD123X ISS
DDK30 OR
DDL235
COT LINE UNIT
Pos 1:
.................
,:,:,:,:,.:<.:.....,.:.,
1
DD1221
COT
COM
UNIT
@
@
@
@
L
Au&i
Pos 14
.:,:,:.:.:.:.+:::y::fi>~:~:;
..............
JDD1210
COT
POW&R
@
1
1- .....................
,,,,,,:,:,:,:.:.:.:........,..,,,.,,,.,,