FREE ENGLISH VIAVI TC-201B (01) PDF DOCUMENT.
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FREE ENGLISH VIAVI TC-201B (01) PDF REFERENCE MANUAL.
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What should I do when I first receive the VIAVI TC-201B?
Perform the following when the VIAVI TC-201B is received from the factory:
• Verify shipment is complete in accordance with packing list. Report any discrepancies to VIAVI Customer Service.
• Store packing material and shipping container for possible future use.
What are the main functions of the VIAVI TC-201B coupler?
The VIAVI TC-201B is designed for temporary coupling to a TCAS or combined TCAS/Transponder antenna to provide an antenna signal connection from the coupler to a test unit.
When installed, the coupler design also provides:
• shielding from outside interference or reflections during testing in a hangar environment.
• attenuation of the transmitted output RF power from the TCAS and Transponder installed on the aircraft being tested to reduce interference to ATC operations or nearby aircraft.
How is the VIAVI TC-201B positioned on an aircraft?
The VIAVI TC-201B is placed on the top antenna where it is held in place by the weight of the coupler. The coupler can also be fitted to the bottom antenna where it is held in place by its gas-filled shock and pole (accessory).
What equipment is supported by the VIAVI TC-201B and what is its minimum recommended fuselage size?
| Supported Equipment | TC-201B |
|---|---|
| Collins TSA-4100 and Similar | ✓ |
| Honeywell/ACSS AT-910 and Similar | ✓ |
| Minimum Recommended Fuselage Size | 92″ |
What is included in the VIAVI TC-201B coupler kit?
| Item | Description | Part# |
|---|---|---|
| 1 | TCAS/Transponder Antenna Coupler • TC-201B Kit Coupler Only |
22163082 22163085 |
| 2 | Transit Case Placard • TC-201B |
22163111 |
| 3 | 30 dB attenuator | 92863 |
| 4 | Transit Case | 142743 |
| 5 | Coaxial Assembly 50 Ft | 142839 |
| 6 | Extension Pole Kit | 142742 |
What are the controls and connectors on the VIAVI TC-201B?
| Item | Control/Connector |
|---|---|
| 1 | Quadrant selection ring |
| 2 | Pole Connection Lug |
| 3 | RF Connection (TNC) |
| 4 | Loss Placard |
Which LRUs are compatible with the VIAVI TC-201B based on antenna type?
| Antenna | LRU Supported | Antenna | LRU Supported |
|---|---|---|---|
| ACSS Amplitude (AT-910) | TCAS II, TCAS 2000, TT-950 | Collins Phase (TRE-920) | TTR-920/921, TTR-2100, TTR-4100 |
| Collins Amplitude (TSA-4100) | TSS-4100 | Honeywell Phase (ANT-81A) | TPA-81A, TPA-100A/B/C |
How do I perform a TCAS test setup with the VIAVI TC-201B?
1. Place the Coupler over the Aircraft TCAS/Transponder Antenna.
2. Connect the 30 dB attenuator to the Coupler’s RF connector.
3. Connect the Coupler to the Antenna connector on the Test Set using the 50 ft. TNC Coaxial Cable (supplied with the kit).
4. On the Test set, adjust the settings as specified in the test settings table. For an IFR-6000, go to the SETUP-TCAS screen and select ANTENNA from the RF PORT. For an AVX-10K, go to the Setup Tab and select ANTENNA (ANT) for the RF Port.
5. Set the Coupler’s quadrant selection ring to QUADRANT 1.
6. Determine the manufacturer of the TCAS and refer to the loss label on the Coupler for antenna range and antenna height values. Use the Antenna Compatibility Matrix to determine which Distance and Height values from the Loss Placard to use.
7. On the test set, adjust the Antenna Gain (dBi) settings.
8. Verify that ANT GAIN values are set as described.
9. Proceed with testing for all four quadrant settings.
NOTE: Connecting the TC-201A/B coupler to the IFR 6000/6015 or AVX-10K differs from normal “direct with coupler” connection. In this case, you will be using the ANTENNA port on the test set to connect to the coupler (via the 30 dB attenuator). The antenna port connection provides higher sensitivity to support the TC-201A/B coupler.
What are the recommended TCAS test settings for the VIAVI TC-201B?
| Parameter | Setting |
|---|---|
| RF PORT | ANTENNA |
| ANT RANGE | See coupler loss label |
| ANT HEIGHT | See coupler loss label |
| ANT CABLE LEN | 50 feet |
| ANT CABLE LOSS | See cable loss label |
| ANT GAIN (dBi) | 1.03 GHz 0.0 1.09 GHz 0.0 |
What are the recommended Antenna Gain values for a TCAS test with the VIAVI TC-201B?
| Antenna Gain ‡ Value | Condition |
|---|---|
| 1.03 GHz: 0.0 | For most cases |
| 1.03 GHz: 2.0 | For smaller diameter planes using a TSA-4100 antenna that is not mounted flush against the aircraft. |
How do I perform a Transponder test setup with the VIAVI TC-201B?
1. Place the Coupler over the Aircraft TCAS/Transponder Antenna.
2. Connect the 30 dB attenuator to the TC-201A/B RF connection.
3. Connect the Coupler to the Antenna connector on the Test Set using the 50 ft. TNC Coaxial Cable (supplied with the kit).
4. On the Test set, adjust the settings as specified in the test settings table. For the IFR-6000, go to the SETUP-XPDR screen and select ANTENNA from the RF PORT. For the AVX-10K, go to the XPDR-Auto screen Setup Tab.
5. Set the Coupler’s quadrant selection ring to QUADRANT 1.
6. Determine the manufacturer of the transponder and refer to the loss label on the Coupler for antenna range and antenna height values. Use the Antenna Compatibility Matrix to determine which Distance and Height values from the Loss Placard to use.
7. Verify that ANT GAIN values are set as described.
8. Proceed with testing for all four quadrant settings.
What are the recommended Transponder test settings for the VIAVI TC-201B?
| Parameter | Setting |
|---|---|
| ANTENNA | TOP/BOTTOM |
| RF PORT | ANTENNA |
| ANT RANGE | See coupler loss label |
| ANT HEIGHT | See coupler loss label |
| ANT CABLE LEN | 50 feet |
| ANT CABLE LOSS | See loss on 50′ cable label |
| COUPLER LOSS | 0.0 dB |
| ANT GAIN (dBi) 0.96 GHz 1.03 GHz 1.09 GHz |
0.0 0.0 0.0 |
| UUT ADDRESS | Auto |
What are the recommended Antenna Gain values for a Transponder test with the VIAVI TC-201B?
| Antenna Gain ‡ Value | Condition |
|---|---|
| 1.03 GHz: 0.0 | For most cases |
| 1.03 GHz: 2.0 | For smaller diameter planes using a TSA-4100 antenna that is not mounted flush against the aircraft. |
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