TEX150-LCD/S
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User Manual
Rev. 1.0- 09/07/04
6.2 Back Panel
Figure 6.2
[1] PLUG
Standard IEC socket for mains power supply, 90-260V 50-60Hz.
[2] AIR FLOW
Air flow passage grid.
[3] R.F. OUT
RF output connector, N-type.
[4] 24VDC IN +
24V external power supply connector. Positive pole.
[5] INTERLOCK IN
BNC interlock connector: by grounding the central conductor the
transmitter is forced in stand-by mode.
[6] FWD EXT. AGC
Trimmer for controlling the power delivered depending on the fold
FWD input.
[7] RFL EXT. AGC
Trimmer for controlling the power delivered depending on the fold
RFL input.
[8] REMOTE
DB15 connector for device telemetry.
[9] GSM ANT
Reserved for future use.
[10] PHASE ADJ
Adjustment trimmer for the pilot tone phase.
[11] MODE/MPX IMP
Dip-switch for selecting both the transmission mode
(STEREO or MONO) and the MPX impedance input,
either 50W or 10kW.
[12] PREEMPHASIS
Dip-switch for setting 50 or 75 ms preemphasis. Preemphasis
affects the right and left inputs in stereo mode and the mono
input. MPX inputs are not affected by the preemphasis setting.
[13] MPX/RDS
Unbalanced MPX input BNC connector.
[14] MPX/RDS ADJ
Trimmer for adjusting MPX input levels.
[15] SCA1 ADJ
Trimmer for adjusting SCA1 input level.
[16] RIGHT ADJ
Trimmer for adjusting Right input levels.
[17] RIGHT
XLR connector for Right channel audio input.
[18] IMPEDANCE
Dip-switch for selecting the impedance of the balanced audio
inputs, either 600 W or 10 kW.
[19] P.S. FUSE
Mains power supply fuse.
[20] R.F. TEST
-30 dB output referred to output power level, suitable for
monitoring modulation. Cannot be used for spectral analysis.
[21] 24VDC IN -
Connector for 24V external power supply. Negative pole.
[22] MODEM
DB9 connector for interconnection with external modem.
[23] I
2
C BUS
DB9 connector for I
2
C standard communication.
[24] GSM SLOT-IN
Reserved for future use.
[25] SERVICE
DB9 connector for programming factory parameters.
[26] RS232
DB9 connector for interfacing with telemetry equipment or the
GSM modem.
[27] EXT. REF 10MHZ
Auxiliary input for 10MHz external reference for advanced
application in isofrequency.
[28] 19KHZ PILOT OUT
Pilot tone output BNC connector, used for synchronizing external
devices such as the RDS coder.
[29] SCA1
BNC connector, unbalanced SCA1 input.
[30] SCA2
BNC connector for SCA2 input.
