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Interfaces and Connectors
R&S
®
ETL
30
Getting Started 2118.4130.02 ─ 04
5.2.4
OCXO Reference Frequency (B4)
Optional; installed in slot
4, see
.
Generates a very precise 10
MHz reference signal. The signal is output at the EXT
REF standard connector, see page
on page 27. The output level is
listed in the data sheet.
The AC power switch also interrupts the power supply of the OCXO (OCXO Reference
Frequency option, R&S
FSL-B4). When switching the R&S
ETL back on, be sure to
comply with the extended warm-up phase specified in the data sheet.
5.2.5
Universal DTV, ATV, FM Interface (B201)
Optional; installed in slot
5, see
.
1
SER CLK / AF GEN L OUT
The output signal depends on the selected standard:
●
Provides the serial clock after demapper. Used in combination with SER DAT OUT.
For the following digital TV standards, this interface is intended for external BER
measurement.
–
ATSC/8VSB (R&S
ETL-K220)
–
DVB-T/H (R&S
ETL-K240)
–
T-DMB/DAB (R&S
ETL-K250)
–
ISDB-T (R&S
ETL-K260)
Rear Panel