Pub. 42004-693L2C
G AI - TRO NI CS® CO RPO RATI O N
A
H U B B E L L C O M P A N Y
Model 69320-101
Voice Network Adapter
Confidentiality Notice
This manual is provided solely as an operational, installation, and maintenance guide and contains sensitive
business and technical information that is confidential and proprietary to GAI-Tronics. GAI-Tronics retains
all intellectual property and other rights in or to the information contained herein, and such information may
only be used in connection with the operation of your GAI-Tronics product or system. This manual may
not be disclosed in any form, in whole or in part, directly or indirectly, to any third party.
General Information
The Model 69320-101 Voice Network Adapter (VNA) allows voice communication between
interconnected SmartSeries systems. It is installed in a 10457 Series Card Rack (Card Rack) and is
controlled by a 69254 Series or 69440 Series Master Control Unit (MCU) installed in that same card rack.
The VNA is designed exclusively for use in a SmartSeries system, and is not intended for use with other
types of equipment.
Description of Major Components
Front Panel LEDs
The following table describes the LEDs mounted on the VNA’s front panel:
LED
Status
Description
On
The MCU is running and is configured to recognize the VNA.
ON LINE
(green)
Off
On
The VNA is not receiving power from the card rack or the MCU is not
properly configured to recognize the VNA.
VNA FLT
(red)
The MCU has lost communication with the VNA. The MCU and the VNA
continuously update handshaking information. If the VNA is not updating that
information as the MCU expects, then the MCU turns on this LED.
Off
The “On” condition is not occurring.
GAI-Tronics Corporation P.O. Box 1060, Reading, PA 19607-1060 USA
610-777-1374 „ 800-492-1212 „ Fax: 610-796-5954
VISIT WWW.GAI-TRONICS.COM FOR PRODUCT LITERATURE AND MANUALS
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Model 69320-101 Voice Network Adapter
LED
Status
Description
On
LOS/RCL
(red)
The VNA is not receiving a T1 signal (Loss of Signal or Receive Carrier
Loss), and does not detect an open on its T1 transmit line.
Flashing The VNA both is not receiving a T1 signal and detects an open on its T1
90% On transmit line. The frequency of flashing is approximately one Hertz.
Flashing The VNA detects an open on its T1 transmit line, and is receiving a T1 signal.
50% On The frequency of flashing is approximately one Hertz.
Flashing The T1 transceiver on the VNA is not initialized. The frequency of flashing is
10% On
approximately one Hertz.
Off
All of the above four conditions are not occurring.
Connections to the Field Wiring Terminal Blocks
69320-101 Voice Network Adapter Connections to the Field Wiring
Connections to the field are made via the upper DB25 connector on the rear of the 10457 Series Card Rack
assembly. This connector can be utilized by a direct connection of a DB25 cable to the field equipment, a
DB25 cable to a DIN rail-mounted terminal block adapter, or with the use of a DB25-to-RJ45 connector
adapter. The pinout definition for the DB25 connection is shown is the table below.
Upper DB25 Connector
Pin
Signal
Tx (ring)
1
2
5
6
Tx (tip)
Rx (ring)
Rx (tip)
Included with the VNA are two DB25-to-RJ45 connector adapters. The 21246-014 Connector Adapter
brings the transmit pair to the RJ45 pins 1 and 2 and the receive pair to pins 4 and 5. The 21246-008
Connector Adapter brings the transmit pair to the RJ45 pins 4 and 5 and the receive pair to pins 1 and 2.
These adapters permit the use of non-crossover Ethernet cables for the connections to field equipment
utilizing these same pins on an RJ45 connector.
Cabling to the field equipment should be a twisted pair design.
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Model 69320-101 Voice Network Adapter
Switch and Jumper Settings
Overview
Several switch and jumper settings are required for proper operation of the VNA Card. The following
settings are set during the system commissioning and programming and should not be changed. If replacing
an existing 69266-001 T1 card or VNA card for maintenance purposes, be sure to replicate the switch and
jumper setting of the card being replaced. Refer to Figure 1 for the switch and jumper locations.
Front Panel DIP Switch (SW5) Settings
NOTE: The front panel DIP switches (SW5) can be updated without powering down the card rack and
without resetting the MCU.
Position
Number
Name
Top
1
2
3
4
5
6
7
8
Line Build 0 (LB0)
Line Build 1 (LB1)
Line Build 2 (LB2)
Receive Equalizer Gain Limit
Lamp Test
Customer Disconnect Enable
Local Loop Back
Bottom
Remote Loop Back
The Line Build # switches control the “line build” (signal’s amplitude) of the T1 transmit line. Set the Line
Build # switches according to the following table:
LB0
LB1
LB2
T1 Line Length
Open
Open
Open
Open
Open
Open
Open
DSX-1 (0 to 133 feet) / 0 dB CSU
Closed DSX-1 (133 to 266 feet)
DSX-1 (266 to 399 feet)
Closed DSX-1 (399 to 533 feet)
Open DSX-1 (533 to 655+ feet)
Closed -7.5 dB CSU
Open -15 dB CSU
Closed Open
Closed
Closed Open
Closed Open
Closed Closed
Closed Closed Closed -22.5 dB CSU
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Model 69320-101 Voice Network Adapter
The Receive Equalizer Gain Limit switch controls the similarly named feature of the T1 transceiver. Set
the Receive Equalizer Gain Limit switch according to the following table:
-36 dB (long haul)
Open
-15 dB (limited long haul)
Closed
The Lamp Test switch turns on all LEDs on the VNA’s front panel. It is used during production of the
VNA. The Lamp Test switch will not function when the VNA detects the MCU (MCU FLT LED is Off).
Set the Lamp Test switch according to the following table:
All front panel LEDs function normally.
All front panel LEDs are ON
Open
Close
The Customer Disconnect function presents a well-behaved signal on the T1 line. This signal is sometimes
useful during troubleshooting and verification. Set the Customer Disconnect Enable switch according to the
following table:
The T1 transceiver is operating normally.
Open
The Customer Disconnect signal is being transmitted on the T1 line. This setting disrupts the
T1 signal and the MCU reports a T1 line fault.
Closed
The Local Loop Back feature sometimes is used during troubleshooting. Set the Local Loop Back switch
according to the following table:
The T1 transceiver is operating normally.
Open
The “Framer Loopback” feature of the T1 transceiver is enabled. The T1 transceiver transmits
the Blue Alarm on the T1 transmit line during this condition. This setting disrupts the T1 signal
and the MCU reports a T1 line fault. This setting causes the VNA to receive the T1 signal it
normally would transmit, while actually transmitting the Blue Alarm.
Closed
The Remote Loop Back feature sometimes is used during troubleshooting. Set the Remote Loop Back
switch according to the following table:
The T1 transceiver is operating normally.
Open
The “Remote Loopback” feature of the T1 transceiver is enabled. This setting disrupts the T1
signal and the MCU reports a T1 line fault. This setting causes the VNA to transmit its received
T1 signal. The T1 standards mention two types of loopbacks: “line” and “payload”; this
loopback is a “line” loopback.
Closed
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Model 69320-101 Voice Network Adapter
First Internal DIPSwitch (SW4)Settings
NOTE: First internal DIP switch (SW4) changes only take effect after powering down the card rack;
resetting the MCU is insufficient.
Position Number
Name
Left
1
2
3
4
5
6
7
8
ST-Bus Clock Master
T1 Clock Master
T1 Synchronous
E1 Select
Sampling Rate Select
Reserved
Reserved
Right
Reserved
Set the ST-Bus Clock Master switch according to the following table:
The VNA generates the Card Rack’s backplane ST-Bus clock signals. The VNA is the ST-
Bus Clock Master.
Open
The VNA receives the Card Rack’s backplane ST-Bus clock signals. The VNA is a ST-Bus
Clock Slave.
Closed
Set the T1 Clock Master switch according to the following table:
The VNA uses its received T1 signal’s timing to generate its transmitted T1 signal’s timing.
The VNA is a T1 Clock Slave.
Open
The VNA uses the Card Rack’s backplane ST-Bus clock signals to generate its transmitted T1
signal’s timing. The VNA is the T1 Clock Master.
Closed
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Model 69320-101 Voice Network Adapter
Set the T1 Synchronous switch according to the following table:
The VNA is frequency locked to the received T1 signal. This setting is ignored if the VNA is
both a ST-Bus Clock Slave and a T1 Clock Slave.
Open
The VNA is not frequency locked to the received T1 signal. “Elastic store” buffers in the T1
transceiver integrated circuit either duplicate or drop a frame as needed.
Closed
Set the E1 Select switch according to the following table:
The VNA uses T1 signaling.
Open
The VNA uses E1 signaling. NOTE: Upon initial release of the VNA, this feature does not
function properly.
Closed
The Sample Rate Select switch configures the VNA’s codec’s sampling rate. The VNA’s codec can run at
either 8,000 samples per second (8 kHz), or 16,000 samples per second (16 kHz). The VNA accepts and
generates 69266-001 T1 Interface wide bandwidth page audio regardless of the setting of this switch. Set
the Sampling Rate Select switch according to the following table:
The VNA’s codec uses 8 kHz sampling. Always use this setting if wide bandwidth paging is
disabled. This setting is recommended.
Open
The VNA’s codec uses 16 kHz sampling.
Closed
Set the Reserved switches according to the following table:
Use this setting to help insure future compatibility.
Open
Do not use this setting. Using this setting may increase the risk of unexpected behavior when
upgrading the VNA.
Closed
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Model 69320-101 Voice Network Adapter
Second Internal DIP Switch (SW1) Settings
SW1 is unused. Leave all switches open to aid in future compatibility.
Rotary Switch and Jumper Settings
The 2xx/3xx Address (P2) shorting clip selects part of the base input/output address used by the MCU when
accessing the VNA.
The Board Address (SW3) rotary switch selects part of the base input/output port address used by the MCU
when accessing the VNA.
The Board Identification (SW2) rotary switch lets the MCU distinguish between multiple VNAs installed in
the same card rack.
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Model 69320-101 Voice Network Adapter
Figure 1. Model 69320-101 Voice Network Adapter Board Layout Diagram
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Model 69320-101 Voice Network Adapter
Changing to a 69320-101 VNA from a 69266-001 T1 Interface
NOTES:
1. The 69320-101 VNA is not electrically compatible with its predecessors. If further information on the
differences is needed, please contact the GAI-Tronics Field Service Department at 800-492-1212.
2. When upgrading to a 69320-101 VNA, the following four upgrades are required:
• Any 69266-001 or 69320-001 VNAs must be upgraded to the 69320-101 VNA.
• Any 69257-003, 69257-002, or 69257-001 APIs must be upgraded to the 69257-101 API.
• Any 69510-001, 69215-003, 69215-002, or 69215-001 backplane termination boards must be
upgraded to the 69510-101 Termination board. Two of these boards are required per card rack.
• The upgraded cards must be installed in the proper backplane slot. This task involves moving the
card and the associated ribbon cable at the rear of the card rack assembly.
The 69266-001 T1 Interface uses a different switch and jumper collection than the VNA. The following
text states how to convert the T1 Interface switch and jumper setting to the VNA switch and jumper
settings.
The 2xx/3xx Address (P2) shorting clip should be set to the 2xx position if the shorting clip on J1 of the T1
Interface is closer to the back of the T1 Interface. Otherwise, set to the 3xx position when the shorting clip
on J1 of the T1 Interface is closer to the front of the T1 Interface.
NOTE: The silkscreen for J1 on the T1 interface should be blacked out; if not blacked out, then that
silkscreen shows the 2xx / 3xx position reversed from the actual meaning of J1.
The Board Address (SW3) rotary switch on the VNA should match the Board Address rotary switch on the
T1 Interface.
The Board Identification (SW2) rotary switch on the VNA should match the Board Identification rotary
switch on the T1 Interface.
First internal DIP switch #1 (SW4) (ST-Bus Clock Master) should be set to CLOSED if J3 of the T1
Interface is set to ING (ignore – shorting clip towards front). Otherwise, set to OPEN when J3 of the T1
Interface is set to GEN (generate – shorting clip towards back).
First internal DIP switch #2 (SW4) (T1 Clock Master) should be set to CLOSED if J4 of the T1 Interface is
set to GEN (generate – shorting clip towards front). Otherwise, set to OPEN when J4 of the T1 Interface is
set to REC (receive – shorting clip towards back).
First internal DIP switch #3 (SW4) (T1 Synchronous) should be set to OPEN.
First internal DIP switch #4 (SW4) (E1 Select) should be set to OPEN.
First internal DIP switch #5 (SW4) (Sampling Rate Select) should be set to OPEN.
First internal DIP switch #6 (SW4) through #8 (Reserved) should be set to OPEN.
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Model 69320-101 Voice Network Adapter
For front panel DIP switch #1 (SW5) (Line Build 0), front panel DIP switch #2 (Line Build 1), and front
panel DIP switch #3 (Line Build 2) select the closest matching distance from the following two tables. If
the S3 T1 Interface switch settings are not listed in the table, then select all OPEN for the VNA Line Build
switches.
S3 (XMIT EQUALIZATION) on T1 Interface
0'
-
75'
150'
225'
300' 375' 450' 525' 600' 675' 750' 825'+
-
-
-
-
-
X
-
-
X
-
-
X
-
X
-
X
-
X
-
X
X
X
X
X
-
X
X
X
X
-
X
X
X
X
-
S3-1
S3-2
S3-3
S3-4
S3-5
S3-6
S3-7
S3-8
-
-
-
-
X
-
X
-
X
-
-
-
-
X
X
-
X
-
X
-
-
-
-
-
X
-
X
-
-
-
-
-
X
-
X
-
X
-
X
-
-
-
-
X
-
X
-
X
-
-
X
-
-
-
-
-
-
-
-
-
“X” means closed; “-” means open.
Line Build on VNA
Build 0
Build 1
Build 2
Distance
Open
Open
Open
DSX-1 (0 to 133 feet) / 0 dB CSU
DSX-1 (133 to 266 feet)
DSX-1 (266 to 399 feet)
DSX-1 (399 to 533 feet)
DSX-1 (533 to 655+ feet)
-7.5 dB CSU
Open
Open
Closed
Open
Open
Closed
Closed
Open
Open
Closed
Open
Closed
Closed
Closed
Closed
Open
Closed
Open
Closed
Closed
-15 dB CSU
Closed
-22.5 dB CSU
Front panel DIP switch #4 (SW5) (Receive Equalizer Gain Limit) should be set to OPEN.
Front panel DIP switch #5 (SW5) (Lamp Test) should be set to OPEN.
Front panel DIP switch #6 (SW5) (Customer Disconnect Enable) should be set to OPEN.
Front panel DIP switch #7 (SW5) (Local Loop Back) should be set to OPEN.
Front panel DIP switch #8 (SW5) (Remote Loop Back) should be set to OPEN.
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Model 69320-101 Voice Network Adapter
Operation
After installation, the Model 69320-101 Voice Network Adapter (VNA) should start automatically. The
VNA requires no direct user intervention during normal operations.
Installation and Maintenance
Direct questions about installation of this product to the GAI-Tronics Field Service Department at 800-492-
1212 inside the USA or 610-777-1374 outside the USA.
Installation Guidelines
WARNING
Disconnect power to the card rack before performing any maintenance.
Installation Instructions
1. Remove the VNA from its protective carton.
2. Verify that power is disconnected to the card rack prior to installation.
3. Verify that the switch and jumper settings described in the Switch and Jumper Settings section on page
4 are set in accordance with the instructions in your system manual.
4. Align the VNA into the upper and lower tracks for the card rack slot.
5. Slide the VNA toward the rear of the card rack until it comes in contact with the connector on the
backplane.
6. Firmly press on the front bezel until the VNA is seated in the backplane connector, and tighten the two
screws located on the front bezel to secure it to the card rack.
Removing the VNA Card from the Card Rack
1. Remove power from the card rack.
2. Remove the two screws on the front bezel that secures the VNA to the card rack.
3. Gently disengage the VNA from the connector on the backplane and slide the VNA out of the card
rack.
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Model 69320-101 Voice Network Adapter
Frequently Asked Questions
Q: Is the 69320-101 VNA compatible with the public switched telephone network?
A: No.
Q: When does the 69320-101 VNA generate at T1 Yellow Alarm?
A: Never.
Q: When does the 69320-101 VNA generate a T1 Blue Alarm?
A: Never.
Q: What is the T1 Red Alarm?
A: The T1 Red Alarm is the Loss of Signal (LOS) or Receive Carrier Loss (RCL) condition.
Q: Why do the LEDs have two labels?
A: One label is the newer vernacular; the other is the older vernacular.
Q: Why does the front panel “Lamp Test” switch not function while the VNA detects the MCU is running
(the MCU FLT LED is off)?
A: That behavior is by design. That design choice helps prevent the diagnostic function of the front panel
LEDs from being defeated while the system is in use.
Q: What feature does setting all front panel DIP switches to closed enable?
A: Doing so enables all four relays on the VNA, lights all LEDs on the VNA, and routes a 2.0000 kHz tone
(assuming a different signal has not been loaded after power up) to all backplane audio lines and backplane
ST-Bus data lines. This feature is used to approximate the maximum power consumption and
electromagnetic emissions of the VNA. This feature interferes with normal system operations, and is
disabled while the VNA detects the MCU is running.
Q: Is the 69320-101 VNA capable of generating E1 timing instead of T1 timing.
A: No.
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Model 69320-101 Voice Network Adapter
Specifications
Electrical
Board
Power............................................................................................... 950 mA maximum @ +5 V dc ± 5%
125 mA maximum @ +12 V dc ± 10%
125 mA maximum @ -12 V dc ± 10%
T1 Parameters
NOTE: the 69320-101 VNA is not compatible with the public switched telephone network.
Encoding..................................................................................... (Bipolar with 8 Zero Substitution) B8ZS
Framing..........................................................................................................(Extended Superframe) ESF
T1 Cabling
Type..................................................................................................... Twisted pair (i.e., CAT.5 ethernet)
Cable characteristic impedance..................................................................................... 100 ohms nominal
Maximum cable length .............................................................................................................. 6,000 feet
Digital Audio - Party Line or Narrow Bandwidth Paging
Encoding.................................................................................µ-Law per CCITT Recommendation G.711
Sampling rate .................................................................................................................. 8 kHz ± 32 ppm
Digital Audio - Wide Bandwidth Paging
Encoding.................................................... ADPCM 32 kbps, µ-Law per CCITT Recommendation G.726
Sampling rate encoding ................................................................. 8 kHz up sampled to 16 kHz ± 32 ppm
Sampling rate decoding ............................................................ 16 kHz down sampled to 8 kHz ± 32 ppm
Card Rack Page Audio from one VNA to another VNA in a different Card Rack – Narrow Bandwidth
Frequency response........................................................................................ 250 Hz to 3.5 kHz ± 0.5 dB
Distortion..........................................................THD <2.0% @ 1,020 Hz sine wave, -10 dB ref. 1.5 Vrms
Card Rack Page Audio from one VNA to another VNA in a different Card Rack – Wide Bandwidth
Frequency response........................................................................................ 250 Hz to 3.5 kHz ± 0.5 dB
Distortion..........................................................THD <2.0% @ 1,020 Hz sine wave, -10 dB ref. 1.5 Vrms
Card Rack Party Audio from one VNA to another VNA in a different Card Rack
Frequency response........................................................................................ 250 Hz to 3.5 kHz ± 0.5 dB
Distortion..........................................................THD <2.0% @ 1,020 Hz sine wave, -10 dB ref. 1.5 Vrms
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Model 69320-101 Voice Network Adapter
Environmental
Temperature range (operating/storage).............................................. +32 °F to +122 °F (0 °C to +50 °C)
Relative humidity:........................................................................................ 10% - 85% non-condensing
Mechanical
Unit dimensions ............................................ 10.3 H × 0.780 W × 9.07 D inches (262 × 19.9 × 231 mm)
Unit weight ................................................................................................... 0.86 lbs. nominal (0.39 kg)
Approval
CE Mark ....................................................... Complies with Low Voltage Directive 73/23/EEC, and the
EMC Directive 89/336/EEC amended by the Directive 93/68/EEC.
Replacement Parts
The 69320-101 VNA has no field replaceable components.
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Warranty
Equipment. GAI-Tronics warrants for a period of one (1) year from the date of shipment, that any
GAI-Tronics equipment supplied hereunder shall be free of defects in material and workmanship, shall
comply with the then-current product specifications and product literature, and if applicable, shall be fit
for the purpose specified in the agreed-upon quotation or proposal document. If (a) Seller’s goods prove
to be defective in workmanship and/or material under normal and proper usage, or unfit for the purpose
specified and agreed upon, and (b) Buyer’s claim is made within the warranty period set forth above,
Buyer may return such goods to GAI-Tronics’ nearest depot repair facility, freight prepaid, at which time
they will be repaired or replaced, at Seller’s option, without charge to Buyer. Repair or replacement shall
be Buyer’s sole and exclusive remedy. The warranty period on any repaired or replacement equipment
shall be the greater of the ninety (90) day repair warranty or one (1) year from the date the original
equipment was shipped. In no event shall GAI-Tronics warranty obligations with respect to equipment
exceed 100% of the total cost of the equipment supplied hereunder. Buyer may also be entitled to the
manufacturer’s warranty on any third-party goods supplied by GAI-Tronics hereunder. The applicability
of any such third-party warranty will be determined by GAI-Tronics.
Services. Any services GAI-Tronics provides hereunder, whether directly or through subcontractors,
shall be performed in accordance with the standard of care with which such services are normally
provided in the industry. If the services fail to meet the applicable industry standard, GAI-Tronics will
re-perform such services at no cost to buyer to correct said deficiency to Company's satisfaction provided
any and all issues are identified prior to the demobilization of the Contractor’s personnel from the work
site. Re-performance of services shall be Buyer’s sole and exclusive remedy, and in no event shall GAI-
Tronics warranty obligations with respect to services exceed 100% of the total cost of the services
provided hereunder.
Warranty Periods. Every claim by Buyer alleging a defect in the goods and/or services provided
hereunder shall be deemed waived unless such claim is made in writing within the applicable warranty
periods as set forth above. Provided, however, that if the defect complained of is latent and not
discoverable within the above warranty periods, every claim arising on account of such latent defect shall
be deemed waived unless it is made in writing within a reasonable time after such latent defect is or
should have been discovered by Buyer.
Limitations / Exclusions. The warranties herein shall not apply to, and GAI-Tronics shall not be
responsible for, any damage to the goods or failure of the services supplied hereunder, to the extent
caused by Buyer’s neglect, failure to follow operational and maintenance procedures provided with the
equipment, or the use of technicians not specifically authorized by GAI-Tronics to maintain or service the
equipment. THE WARRANTIES AND REMEDIES CONTAINED HEREIN ARE IN LIEU OF AND
EXCLUDE ALL OTHER WARRANTIES AND REMEDIES, WHETHER EXPRESS OR IMPLIED BY
OPERATION OF LAW OR OTHERWISE, INCLUDING ANY WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
Return Policy
If the equipment requires service, contact your Regional Service Center for a return authorization number
(RA#). Equipment should be shipped prepaid to GAI-Tronics with a return authorization number and a
purchase order number. If the equipment is under warranty, repairs or a replacement will be made in
accordance with the warranty policy set forth above. Please include a written explanation of all defects to
assist our technicians in their troubleshooting efforts.
Call 800-492-1212 (inside the USA) or 610-777-1374 (outside the USA) for help identifying the
Regional Service Center closest to you.
(Rev. 10/06)
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