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User Manual
73A-308
Relay and High Voltage Logic Driver Module
070-9118-02
This document applies for firmware version 1.00
and above.
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Copyright Tektronix, Inc. All rights reserved.
Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes
that in all previously published material. Specifications and price change privileges reserved.
Printed in the U.S.A.
Tektronix, Inc., P.O. Box 1000, Wilsonville, OR 97070–1000
TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.
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WARRANTY
Tektronix warrants that this product will be free from defects in materials and workmanship for a period of three
(3) years from the date of shipment. If any such product proves defective during this warranty period, Tektronix,
at its option, either will repair the defective product without charge for parts and labor, or will provide a
replacement in exchange for the defective product.
In order to obtain service under this warranty, Customer must notify Tektronix of the defect before the expiration
of the warranty period and make suitable arrangements for the performance of service. Customer shall be
responsible for packaging and shipping the defective product to the service center designated by Tektronix, with
shipping charges prepaid. Tektronix shall pay for the return of the product to Customer if the shipment is to a
location within the country in which the Tektronix service center is located. Customer shall be responsible for
paying all shipping charges, duties, taxes, and any other charges for products returned to any other locations.
This warranty shall not apply to any defect, failure or damage caused by improper use or improper or inadequate
maintenance and care. Tektronix shall not be obligated to furnish service under this warranty a) to repair damage
resulting from attempts by personnel other than Tektronix representatives to install, repair or service the product;
b) to repair damage resulting from improper use or connection to incompatible equipment; or c) to service a
product that has been modified or integrated with other products when the effect of such modification or
integration increases the time or difficulty of servicing the product.
THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THIS PRODUCT IN LIEU OF
ANY OTHER WARRANTIES, EXPRESSED OR IMPLIED. TEKTRONIX AND ITS VENDORS
DISCLAIM ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE. TEKTRONIX’ RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE
PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR
BREACH OF THIS WARRANTY. TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY
INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF
WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF
SUCH DAMAGES.
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EC Declaration of Conformity
We
Tektronix Holland N.V.
Marktweg 73A
8444 AB Heerenveen
The Netherlands
declare under sole responsibility that the
73A-308
meets the intent of Directive 89/336/EEC for Electromagnetic Compatibility.
Compliance was demonstrated to the following specifications as listed in the Official
Journal of the European Communities:
EN 55011
Class A Radiated and Conducted Emissions
EN 50081-1 Emissions:
EN 60555-2
AC Power Line Harmonic Emissions
EN 50082-1 Immunity:
IEC 801-2
Electrostatic Discharge Immunity
IEC 801-3
RF Electromagnetic Field Immunity
IEC 801-4
Electrical Fast Transient/Burst Immunity
IEC 801-5
Power Line Surge Immunity
To ensure compliance with EMC requirements only high quality shielded cables having
a reliable, continuous outer shield (braid & foil) which has low impedance connections
to shielded connector housings at both ends should be connected to this product.
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50
54
56
Appendix F – Performance Verification Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
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070-9118-02
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Appendix F – Performance Verification
Procedure
The performance verification procedure for the 73A-308 Relay and High Voltage Driver
Module verify that the module is operating within specification.
Conventions Used In This Procedure
All control of the 73A-308 Module will be accomplished through a VXI Slot 0 device.
ASCII characters will form the commands sent to control the module and ASCII characters will be read from the module.
Throughout this document writes to the 73A-308 Module will be shown as:
Send “QERlf”
where QERlf is the command (Query the ERror) terminated with a linefeed character (lf).
Commands will be sent exactly as shown.
Reads from the module are shown as:
Read “NO ERRORScrlf”
where NO ERRORScrlf is the ASCII string returned from the 73A-308 Module, terminated with a carriage return and linefeed (crlf). The ASCII string returned from the module will be exactly as shown.
Unless noted, all commands are sent to the 73A-308 Module and all ASCII strings read
are read from the 73A-308 Module.
Two characters are used throughout the communication sequences: “cr” is the carriage
return character (character 13) and “lf” is the line feed character (character 10). These
characters are the terminating characters for communication. They are shown throughout
this document in the font shown here. Most reads from the 73A-308 Module are terminated with both characters and are shown as “crlf”. Writes to the module require only a
“lf”, but both characters may be used.
An ASCII upper case letter “O” will be shown as “O” whereas a ASCII zero will be
shown as “0”.
Equipment Required
Table 1–1 lists the equipment required for the performance and verification procedure.
Table 1–1: Equipment Required
73A–308
Required tools and equipment
Part number
VXI Mainframe (such as the Tektronix VX1410)
n/a
VXI Slot 0 with resource Manager (Tektronix VX4521)
and appropriate cables and interface cards.
n/a
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Table 1–1: Equipment Required (Cont.)
Required tools and equipment
Part number
Digital Multi Meter (DMM)
standard lab equipment
+50 V POWER SUPPLY capable of 300ma
standard lab equipment
+5 V Power supply capable of 2.5A
standard lab equipment
15 3 Watt 5% Resistor, requires 8 resistors
n/a
165 3 Watt 5% Resistor
n/a
Talker/Listerner (Send/Read) program with the capability
to send out word
n/a
Serial commands
n/a
Performance Verification Procedure
Default Conditions
1. Shut the VXI system down, and then power up the VXI system and wait 10 seconds.
2. Only the green PWR LED will be lit, if this is not true, repeat step 1.
3. Send a “QERlf” (Query ERrors) to the 73A-308.
4. Read “NO ERRORScrlf”
5. Send “QENlf” (Query Enable/disable status) to the 73A-308.
6. Read “0crlf”
7. Send “QRBlf” (Query Read Back status) to the 73A-308.
8. Read “00000000000000000000crlf”
9. Send “QTGlf” (Query TriGger status) to the 73A-308.
10. Read “0crlf”
LED Test
1. Remove power from the VXI system, then reapply power. The FAIL LED will be
briefly lit in red during power up.
2. When the following command is sent to the 73A-308, the MSG LED will flash for
about a half second.
a. Send “Rcrlf” (Reset)
73A–308
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b. The PWR LED will be the only LED lit after the MSG LED goes out.
3. Send “Acrlf” (invalid command) to the 73A-308.
a. The ERR LED and PWR LED will be lit. All other LEDs will be out.
b. Send “Rcrlf” (Reset) to the 73A-308
4. Send “Ecrlf” (Enable outputs) to the 73A-308.
a. The ENB LED and PWR LED will be lit. All other LEDs will be out.
5. Send “D;CB0;CB1crlf” (Disable outputs, Close Banks 0 and 1) to the 73A-308.
a. The R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, and PWR LEDs will all be lit.
All other LEDs will be out.
b. Send “Rcrlf” (Reset) to the 73A-308.
6. Press the MSD SEL button on the 73A-308 face plate.
a. The D1 LED will come on
b. Press the MSD SEL button again
c. The D2 and PWR LEDs will be lit, all other LEDs will be out
d. Press the MSD SEL button repeatedly and watch the D1, D2, and D4 LEDs do a
binary count until all are lit, and then all LEDs will go out when the count
reaches zero.
Selftest and Power Default Output State
1. Send “Slf” (Selfttest) to the 73A-308.
2. Read “READYcrlf”.
a. If the 73A-308 returns another ASCII string, the built in self test failed and the
string indicates what the failure was.
3. Send: “QRBlf” (Query Read Back status) to the 73A-308.
4. Read: “00000000000000000000crlf”
73A–308
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Collector Current Test
+5V
15W
3W
BIT0–1
15W
3W
BIT0–2
15W
3W
BIT0–4
15W
3W
BIT0–8
15W
3W
BIT1–1
15W
3W
BIT1–2
15W
3W
BIT1–4
15W
3W
BIT1–8
Figure 1–1: Resistor matrix
Table 1–2: Bit number versus pin number
Bit number
Connector P4 pin number
0–1
36
0–2
3
0–4
19
0–8
2
1–1
35
1–2
1
1–4
34
1–8
18
Bank 0
1. Using the power supply listed in Table 1–1, connect a 15 , 3 W resistor from +5V
of the power supply, to each of the pins as shown in Figure 1–1, and in Table 1–2.
2. Connect the +5 V to P4 pin 50.
3. Connect the ground from the power supply to P4 pin-4 and pin-5.
4. Send “Dlf” (Disable all outputs) to the 73A-308.
5. Send “CB0lf” (Close Bank 0) to the 73A-308.
73A–308
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6. Using a DMM measure the voltage at each pin of P4 as listed in Table 1–2. The
voltage at each pin will be the same as the +5V source.
7. Send “Elf” (Enable all outputs) to the 73A-308.
8. Measure the voltage at each P4 pin shown in Table 1–2. The voltage at each pin will
be less than +500 mV.
9. Send “QRBlf”
10. Read “000000000000000000FFcrlf”
11. Send “O0lf” (Open 0) to the 73A-308.
12. Use a DMM and measure the voltage at BIT 0–1 (refer to Table 1–2). The voltage
will be the same as the +5 V source.
13. The voltage at the remaining 7 pins shown in Table 1–2 will be less than +500 mV.
14. Send “QRBlf”
15. Read “000000000000000000FEcrlf”
16. Send “O1lf” (Open 1) to the 73A-308.
17. Use a DMM and measure the voltage at BITs 0–1 and 0–2 (refer to Table 1–2). The
voltage on both pins will be the same as the +5 V source.
18. The voltage at the remaining 5 pins shown in Table 1–2 will be less than +500 mV.
19. Send “QRBlf”
20. Read “000000000000000000FCcrlf”
21. Send “O2lf” (Open 2) to the 73A-308.
22. Use a DMM and measure the voltage at BITs 0–1, 0–2, and 0–4 (refer to Table 1–2).
The voltage on these pins will be the same as the +5 V source.
23. The voltage at the remaining 4 pins shown in Table 1–2 will be less than +500 mV.
24. Send “QRBlf”
25. Read “000000000000000000F8crlf”
26. Send “O3lf” (Open 3) to the 73A-308.
27. Use a DMM and measure the voltage at BITs 0–1, 0–2, 0–4, and 0–8 (refer to
Table 1–2). The voltage on these pins will be the same as the +5 V source.
73A–308
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28. The voltage at the remaining 4 pins shown in Table 1–2 will be less than +500 mV.
29. Send “QRBlf”
30. Read “000000000000000000F0crlf”
31. Send “O4lf” (Open 4) to the 73A-308.
32. Use a DMM and measure the voltage at BITs 0–1, 0–2, 0–4, 0–8, and 1–1 (refer to
TABLE 4–1). The voltage on these pins will be the same as the +5 V source.
33. The voltage at the remaining 3 pins shown in Table 1–2 will be less than +500 mV.
34. Send “QRBlf”
35. Read “000000000000000000E0crlf”
36. Send “O5lf” (Open 5) to the 73A-308.
37. Use a DMM and measure the voltage at BITs 0–1, 0–2, 0–4, 0–8, 1–1, and 1–2 (refer
to Table 1–2). The voltage on these pins will be the same as the +5 V source.
38. The voltage at the remaining 2 pins shown in Table 1–2 will be less than +500 mV.
39. Send “QRBlf”
40. Read “000000000000000000C0crlf”
41. Send “O6lf” (Open 6) to the 73A-308.
42. Use a DMM and measure the voltage at BITs 0–1, 0–2, 0–4, 0–8, 1–1, 1–2, and 1–4
(refer to Table 1–2). The voltage on these pins will be the same as the +5 V source.
43. The voltage at the remaining pin shown in Table 1–2 will be less than +500 mV.
44. Send “QRBlf”
45. Read “00000000000000000080crlf”
46. Send “O7lf” (Open 7) to the 73A-308.
47. Use a DMM and measure the voltage at all eight BITs (refer to Table 1–2). The
voltage on these pins will be the same as the +5 V source.
48. Send “QRBlf”
a. Read “00000000000000000000crlf”
73A–308
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Banks 1 thru 9 – Perform the following for all the remaining groups:
Connect the 15 resistors to the output pins of the next Bank to be checked and insure
that the positive (+) side of the +5 V is connected to the input pin for that bank: P4 pin-50
for banks 0, 1 and 2, P4 pin-17 for banks 3, and 4, or P5 pin-50 for banks 5, 6 and 7, P5
pin-17 for banks 8, and 9.
Perform the test requirements from number 4 thru 48 of the Bank 0 Test, substituting the
appropriate group and relay numbers in the CB and O commands. The voltages read must
meet the requirements of the Bank 0 Test.
High Voltage Test
1. Send “R;E;Dlf” (Reset, enable and then disable all outputs) to the 73A-308.
2. Connect one end of a 165 , 15 W resistor to a +50V power supply and also connect
the +50 V to P4 pin-50.
Connect the other end of the resistor to P4 pin-36, Relay Driver 0. Connect the
ground from the +50V power supply to P4 pin-4 and 5.
The +50 V power supply must be capable of producing 300 mA.
3. Send “C0lf” (Close Relay Driver 0) to the 73A-308.
4. Measure the voltage at P4 pin-36. The voltage will be the same as the +50 V source.
5. Send “Elf” (Enable all outputs) to the 73A-308.
6. Measure the voltage at the P4 pin-36. The voltage will be less than +500 mV.
7. Send “R;E;Dlf” (Reset, enable and then disable all outputs) to the 73A-308.
8. Connect the 165 , 15 W resistor from the +50 V power supply to P4 pin-40, Relay
Driver 8.
9. Send “C8lf” (Close Relay Driver 8) to the 73A-308.
10. Measure the voltage at P4 pin-40. The voltage will be the same as the +50V source.
11. Send “Elf” (Enable all outputs) to the 73A-308.
12. Measure the voltage at the P4 pin-40. The voltage will be less than +500 mV.
13. Send “R;E;Dlf” (Reset, enable and then disable all outputs) to the 73A-308.
14. Connect the 165 , 15 W resistor from the +50V to P4 pin-43, Relay Driver 16.
73A–308
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15. Send “C16lf” (Close Relay Driver 16) to the 73A-308.
16. Measure the voltage at P4 pin-43. The voltage will be the same as the +50 V source.
17. Send “Elf” (Enable all outputs) to the 73A-308.
18. Measure the voltage at P4 pin-43. The voltage will be less than +500 mV.
19. Send “R;E;Dlf” (Reset, enable and then disable all outputs) to the 73A-308.
20. Connect the 165 , 15 W resistor from the +50V, to P4 pin-46, Relay Driver 24.
21. Send “C24lf” (Close Relay Driver 24) to the 73A-308.
22. Measure the voltage at P4 pin-46. The voltage will be the same as the +50 V source.
23. Send “Elf” (Enable all outputs) to the 73A-308.
24. Measure the voltage at P4 pin-46. The voltage will be less than +500 mV.
25. Send “R;E;Dlf” (Reset, enable and then disable all outputs) to the 73A-308.
26. Connect the 165 , 15 W resistor from +50 V to P4 pin-49, Relay Driver 32.
27. Send “C32lf” (Close Relay Driver 32) to the 73A-308.
28. Measure the voltage at P4 pin-49. The voltage will be the same as the +50 V source.
29. Send “Elf” (Enable all outputs) to the 73A-308.
30. Measure the voltage at P4 pin-49. The voltage will be less than +500 mV.
31. Send “R;E;Dlf” (Reset, enable and then disable all outputs) to the 73A-308.
32. Disconnect all resistors and the +50 V power source from P4.
a. Connect the +50 V power source to P5 pin-50.
b. Connect one end of the 165 , 15 W resistor to +50V, and the other end of the
resistor to P5 pin-36, Relay Driver 40.
c. Connect the ground of the +50 V power source to P5 pin-4 and pin-5.
33. Send “C40lf” (Close Relay Driver 40) to the 73A-308.
34. Measure the voltage at P5 pin-36. The voltage will be the same as the +50 V source.
35. Send “Elf” (Enable all outputs) to the 73A-308.
73A–308
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36. Measure the voltage at P5 pin-36. The voltage will be less than +500mv.
37. Send “R;E;Dlf” (Reset, enable and then disable all outputs) to the 73A-308.
38. Connect the 165 , 15 W resistor from +50 V, to P5 pin-40, Relay Driver 48.
39. Send “C48lf” (Close Relay Driver 48) to the 73A-308.
40. Use a DMM and measure the voltage at the P5 pin 40. The voltage at the pin will be
the same as the +50V source.
41. Send “Elf” (Enable all outputs) to the 73A-308.
42. Measure the voltage at P5 pin-40. The voltage will be less than +500 mV.
43. Send “R;E;Dlf” (Reset, enable and then disable all outputs) to the 73A-308.
44. Connect the 165 , 15 W resistor from +50V to P5 pin-43, Relay Driver 56.
45. Send “C56lf” (Close Relay Driver 56) to the 73A-308.
46. Measure the voltage at P5 pin-43. The voltage will be the same as the +50 V source.
47. Send “Elf” (Enable all outputs) to the 73A-308.
48. Measure the voltage at P5 pin-43. The voltage will be less than +500 mV.
49. Send “R;E;Dlf” (Reset, enable and then disable all outputs) to the 73A-308.
50. Connect the 165 , 15 W resistor from +50V, to P5 pin-46, Relay Driver 64.
51. Send “C64lf” (Close Relay Driver 64) to the 73A-308.
52. Measure the voltage at P5 pin-46. The voltage will be the same as the +50V source.
53. Send “Elf” (Enable all outputs) to the 73A-308.
54. Measure the voltage at P5 pin-46. The voltage will be less than +500 mV.
55. Send “R;E;Dlf” (Reset, enable and then disable all outputs) to the 73A-308.
56. Connect the 165 , 15 W resistor from +50 V, to P5 pin-49, Relay Driver 72.
57. Send “C72lf” (Close Relay Driver 72) to the 73A-308.
58. Measure the voltage at P5 pin-49. The voltage will be the same as the +50 V source.
59. Send “Elf” (Enable all outputs) to the 73A-308.
73A–308
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60. Measure the voltage at P5 pin-49. The voltage will be less than +500 mV.
61. Send “R;E;Dlf” (Reset, enable and then disable all outputs) to the 73A-308.
Triggering
This tests the TTLTRG lines on the VXI backplane.
Steps 2 through 8 verify that the output will not go active until a trigger is received on the
selected TTLTRG line. The test uses Relay Output 72 and a 300 mA current supplied by
a +5V power supply.
Step 3 programs the Trigger Setup to use TTLTRG 0 as the input trigger line that activates Relay Driver 72. The command also sets TTLTRG 0 as the output line. This line
will output a trigger pulse on the Trigger command (step 6). Since TTLTRG line 0 is used
as both the input and output, the output trigger pulse will be the trigger input pulse that
activates Relay Driver 72.
Steps 3 and 4 ensure that the driver is not active until the trigger command is received in
step 6.
Steps 8 through 14 test that only the selected TTLTRG input line will cause the output to
go active. Step 9 programs the Trigger Setup to use TTLTRG 0 as the input trigger line
that activates Relay Driver 72 and TTLTRG 1 as the output line.
Steps 2 through 14 test TTLTRG line 0 for input.
1. Connect +5 V power supply to P5 pin-17. Connect a 15 , 3 W resistor from +5V to
P5 pin-49, Relay Driver 72. Monitor pin-49 with a DMM. The voltage at pin-49 will
be the same as the +5 V.
2. Send “R;E;Dlf” (Reset, Enable and then Disable) to the 73A-308.
3. Send “TS 0,0lf” ( Trigger Setup, TTLTRG0 IN, TTLTRG0 OUT) to the 73A-308.
4. Send “C72;Elf” (Close Relay Driver 72, Enable outputs) to the 73A-308.
5. The voltage at pin-49 will remain at +5 V.
6. Send “Tlf” (Trigger) to the 73A-308.
7. The voltage at pin-49 will be below 500 mV.
8. Send “R;E;Dlf” (Reset, Enable and then Disable) to the 73A-308.
9. Send “TS 0,1lf” ( Trigger Setup, TTLTRG0 IN, TTLTRG1 OUT) to the 73A-308.
10. Send “C72;Elf” (Close Relay Driver 72, Enable outputs) to the 73A-308.
11. The voltage at pin-49 will remain at +5 V.
73A–308
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12. Send “Tlf” (Trigger) to the 73A-308.
13. The voltage at pin-49 will remain at +5 V.
14. Send “R;E;Dlf” (Reset, Enable and then Disable) to the 73A-308.
Repeat steps 2 thru 14 for each TTL trigger line 0–7 by substituting the TTL in and TTL
out line of the TS command.
Interrupts Test
This test the capability of the 73A–308 to generate interrupts on the VXI backplane.
1. Send “R;E;Dlf” (Reset, Enable and then Disable) to the 73A-308.
2. Send a WORD SERIAL COMMAND “Read STB” (command 0xCFFF) to the
73A-308 and the query byte returned will have bit 6 cleared ignore all other bits. If
this is the case then an interrupt has not been generated, otherwise the test failed.
3. Send “IElf”(Enable interrupts on syntax errors) to the 73A-308.
4. Send “ASASASlf”(illegal command) to the 73A-308.
5. Send a WORD SERIAL COMMAND “Read STB” (command 0xCFFF) to the
73A-308 and the query byte returned will have bit 6 set (decimal 64) ignore all other
bits. If this is the case then an interrupt has been generated, otherwise the test failed.
6. Send “R;E;Dlf” (Reset, Enable and then Disable) to the 73A-308.
7. Send a WORD SERIAL COMMAND “Read STB” (command 0xCFFF) to the
73A-308 and the query byte returned will have bit 6 cleared ignore all other bits. If
this is the case then an interrupt has not been generated, otherwise the test failed.
8. Send “TS 0,0lf” ( Trigger Setup, TTLTRG0 IN, TTLTRG0 OUT) to the 73A-308.
9. Send “ITlf”(Enable interrupts on external trigger) to the 73A-308.
10. Send “C72;Elf” (Close Relay Driver 72, Enable outputs) to the 73A-308.
11. Send “Tlf” (Trigger) to the 73A-308.
12. Send a WORD SERIAL COMMAND “Read STB” (command 0xCFFF) to the
73A-308 and the query byte returned will have bit 6 set (decimal 64) ignore all other
bits. If this is the case then an interrupt has been generated, otherwise the test failed.
13. Send “R;E;Dlf” (Reset, Enable and then Disable) to the 73A-308.
73A–308
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73A–308
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