Installation Instructions
Table Of Contents
- SCOPE
- RELATED DOCUMENTS
- TERMINOLOGY
- INSTALLATION INSTRUCTIONS
- RF TEST INSTRUCTIONS (WAYSIDE)
- RF TEST INSTRUCTIONS (CARBORNE)
- ANNEX 1: GENRAL CONFIGURATION 1 – PARTS LIST
- ANNEX 2 – GENERAL CONFIGURATION 2 – PARTS LIST
- ANNEX 3A: GENERAL CONFIGURATION 3A– PARTS LIST
- ANNEX 3B: GENERAL CONFIGURATION 3B – PARTS LIST
- ANNEX 4A: GENERAL CONFIGURATION 4A – PARTS LIST
- ANNEX 4B: GENERAL CONFIGURATION 4B – PARTS LIST
- ANNEX 5A: GENERAL CONFIGURATION 5A – PARTS LIST
- ANNEX 5B: GENERAL CONFIGURATION 5B – PARTS LIST
- ANNEX A: ANTENNA CONFIGURATION A
- ANNEX B: ANTENNA CONFIGURATION B
- ANNEX C: ANTENNA CONFIGURATION C
- ANNEX D: ANTENNA CONFIGURATION D
- ANNEX TR: TEST RECORD
New York City Transit
Réf. : Ed/Rév :00/02
Trad.: --
Mémo : Date : 01/28/2003
DCS RF INSTALLATION INSTRUCTIONS
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Siemens Transportation Systems exclusive property
The Carborne Radio Equipment (CRE) is made of one CRU and the interface board and the
subway controller. This is the entire equipment RF board chassis and associated boards that
are being FCC Certified as installed in the carborne transmission unit (CTU).
Carborne Radio Unit
(CRU): radio equipment in charge of train-ground data communications.
CRU’s are controlled by an onboard controller system.
4. INSTALLATION INSTRUCTIONS
Before installation of any WRU, the WRU will be tested at the factory to ensure each WRU is manufactured to
specifications. Each WRU will be shipped with the factory test reports. Using the minimum cable path loss
specified in the FCC Certification Test Report as listed in the configuration diagrams and using power
measurement data collected using the following RF test instructions (power measured at WTU output
connector for wayside units and at the antenna connector for carborne units) will enable the power delivered
to an antenna to be calculated as needed. This technique was coordinated with the FCC and will enable
compliance with the FCC requirements to be shown without the necessity of shutting down a portion of the
subway to prevent endangering personnel performing measurement or maintenance tasks on the subway
while the cars are in transit. The calculation will be compared to the maximum power level that may be
delivered to any individual antenna whether a single antenna or one antenna in a quad array. As long as the
calculated power for wayside units and measured antenna input power for carborne units is less than the
maximum power permitted as listed in the TEST RECORD that was presented in the test data that formed
the basis of the FCC authorization, compliance with the FCC requirements is assured.
5. RF TEST INSTRUCTIONS (WAYSIDE)
1. RF coaxial cable tests - this test will be performed using the Anritsu Site Master 251C Antenna & Cable
Analyzer. The Anritsu 251C will be used to measure power output at point “A”. This reading will be
recorded in the WRE Power Output column of the Test Record Form in Annex TR and will use the Power
Meter Function of the Anritsu 251C. The Anritsu 251C will also be used to measure reflected power in
the cable system between the lightning arrestor to the antenna (“B” to “C”). This reading will be recorded
in the Cable Reflected Power Loss column of the Test Record Form in Annex TR. These tests will be as
per Figure 5.1 & 5.2 below and are indicators of overall system quality. Shown is a dual and quad
antenna array, but any configuration shown in the annexes can be used.
WAYSIDE TRANSMITTER ENCLOSURE
For exact Configuration - See Annex 1 - 4B
text
B
A
C
Antenna 1
Antenna 2
Lighting Arrestor
to Radio
Lighting Arrestor to
Antenna
Figure 5-1 - Cable System Loss Testing
WRE