Related Manuals for Rohde & Schwarz CRTU-RU
Summary of Contents for Rohde & Schwarz CRTU-RU
- Page 1 Test and Measurement Division Operating Manual Radio Unit CRTU-RU 1138.4000.82 Printed in the Federal Republic of Germany 1138.6990.12-01...
- Page 3 CRTU-RU Contents Contents Preparations for Use ..................1.1 CRTU-RU – Preparation for Use....................1.1 Front View ............................. 1.2 Rear View............................1.6 Putting the Instrument into Operation ..................1.11 Unpacking the Instrument ....................1.11 Setting up the Instrument....................1.11 Mounting in a Rack ......................1.12 Connecting the Instrument to the AC Supply..............
- Page 4 Ethernet Connector......................2.11 Index .......................... 1 Figures Fig. 1-1 CRTU-RU front view ......................1.2 Fig. 1-2 CRTU-RU front view– connectors ..................1.3 Fig. 1-3 CRTU-RU front view– connectors ..................1.4 Fig. 1-4 CRTU-RU front view– connectors ..................1.5 Fig. 1-5 CRTU-RU rear view ......................
- Page 5 The typical start of a measurement session is explained on a step-to-step basis in the Operating Manual CRTU-G or Operating Manual CRTU-W. A more detailed description of the hardware connectors and interfaces of the CRTU-RU can be found in chapter Hardware Interfaces. Caution! Please make sure to observe the instructions in the following sections in order not to cause damage to the instrument or endanger people.
- Page 6 CRTU-RU Front View The front panel of the CRTU-RU consists of the VGA display with the softkey area (left side) and the hardkey area (right side, see Fig. 1-1). Brief explanations on the used controls and connectors of the front and the rear panel are to be found on the next pages.
- Page 7 Bi-directional RF connector. Power range according to the data sheet. RF 2 RF 1 The LED above the connector is illuminated as long as the CRTU-RU sends signals or is ready for reception Reserved for future extensions. RF Connectors RF4 IN Connector with high output level.
- Page 8 Bi-directional RF connectors for multi-device mode. 21 dBm MAX The RF connectors S1 and S2 can be used to connect Test Setup for additional CRTU-RU units or to add further signals. The Multi Device DUT is connected to RF connector SC. Mode...
- Page 9 13 dBm MAX 2 W MAX 50 W MAX Analog Coder Input and Decoder Output Fig. 1-4 CRTU-RU front view– connectors USB Connectors USB (Universal Serial Bus) connectors: Connectors The USB connectors can be used to connect external devices, e.g. CD-ROM drive, keyboard and mouse.
- Page 10 PS/ 2 IEEE 488 MONITOR COM 1 COM 2 Interfaces for remote control and peripheral equipment Fig. 1-5 CRTU-RU rear view Interfaces GPIB Bus IEEE 488 GPIB bus connector (IEEE 488/IEC 625) Interface Parallel interface: 25-contact printer connector, Centronics-compatible; also used for hardlock protection in GSM mode.
- Page 11 PS/ 2 MONITOR COM 1 COM 2 IEEE 488 Mains connector with switch Signal inputs and outputs Fig. 1-6 CRTU-RU rear view Mains switch Switching on Mains power switch the Instrument / Startup Test Mains connector Connecting the Instrument to...
- Page 12 IEEE 488 MONITOR COM 1 Signal inputs and outputs Fig. 1-7 CRTU-RU rear view Monitor (only with Option B7) IF TX CH1 The TX outputs are used to monitor the IF TX CH 1 OUT IF TX CH 2 OUT RF Connectors signals with external equipment (e.g.
- Page 13 CHAIN OUT / CONTROL B PS/ 2 MONITOR COM 1 COM 2 IEEE 488 Signal inputs and outputs Fig. 1-8 CRTU-RU rear view SLOT CLK/ BIT CLK SLOTCLK Output for the GSM specific Slot Clock SLOT CLK RF Connectors BIT CLK BITCLK...
- Page 14 PS/ 2 IEEE 488 MONITOR COM 1 COM 2 Signal inputs and outputs Fig. 1-9 CRTU-RU rear view Ethernet (only for GSM testing) Ethernet Ethernet RJ45 connector to connect the instrument to a ETHERNET Connector LAN (Local Area Network). AUX, DATA CHANNELS, IQ IN/OUT CHANNELS...
- Page 15 30° below. Warning! The feet must be fully folded in or out. Only in this way can the stability of CRTU-RU be guaranteed and reliable operation be ensured. With the feet out, the weight of other units put onto CRTU-RU must not exceed 30 kg.
- Page 16 Do not cover the lateral and rear ventilation holes. The CRTU-RU may be connected to one-phase AC supplies with nominal voltages ranging from 100 V to 240 V and nominal frequencies ranging from 50 Hz to 400 Hz (see inscription on the rear panel and data sheet).
- Page 17 Putting the Instrument into Operation Switching on the Instrument / Startup Test The CRTU-RU can be switched on using the main switch at the rear of the instrument and the ON/STANDBY key at the bottom left of the instrument front.
- Page 18 Putting the Instrument into Operation CRTU-RU BootMagic screen After activation of the operating mode, the BootMagic startup menu appears. BootMagic startup screen Fig. 1-10 Software selection The BootMagic startup menu provides a selection window with a list of software modules to be started: BootMagic ...
- Page 19 & Schwarz. Caution! Note that only 5V PCMCIA cards should be used with the CRTU-RU. No other PC card and no PCMCIA card with another voltage is permitted. A different rated voltage may cause other PC cards to be damaged.
- Page 20 Test Setup for Multi Device Mode The power splitter on the front panel can be used to combine the channels of several CRTU-RU units or to add further signals (see also section "Connection of Further Components"). The DUT is connected via the RF connector SC.
- Page 21 REF OUT 1 A signal for synchronization of other instruments is available at this output connector. This signal is either the internal reference frequency of the CRTU-RU (10 MHz) or the signal applied to the input REF REF OUT 2 A clock signal applied to this output and can be used for synchronizing external devices.
- Page 22 GPIB Bus IEEE 488 The CRTU-RU can be connected to the GPIB bus via the connector labelled IEEE 488 / IEC 625 at the rear of the instrument and a shielded cable. In the WCDMA Mode the CRTU-RU is a slave for the other devices within the test setup.
- Page 23 Software Update / Software Codes Software Update / Software Codes Your CRTU-RU is delivered with the latest software and firmware version available. New firmware can be easily installed via the PCMCIA Card. In GSM mode the CD-ROM drive or the user configured LAN are also available.
- Page 24 For further details on this tool please refer to the documents delivered with the CRTU-RU. Especially for BootMagic, please see pages 97 ff.
- Page 25 Storing and Packing The CRTU-RU can be stored at the temperature range quoted in the data sheet. When stored for an extended period of time the instrument should be protected against dust. The original packing should be used, particularly the protective covers at the front and rear, when the instrument is to be transported or dispatched.
- Page 26 Hardware Interfaces CRTU-RU Hardware Interfaces GPIB Bus Interface The standard instrument is equipped with an GPIB bus (IEC/IEEE-bus) connection. The interface connector labelled IEEE 488 / IEC 625 is located on the rear panel of the instrument. Characteristics of the Interface ½...
- Page 27 Effect on the instrument (Go to Local) IBLOC (device%) Transition to the "Local" state (manual control). Note: The CRTU-RU can not be configured as a high-speed HS488 listener; the commands CFE (Configure Enable) and CFGn (Configure) are not supported. 1138.6990.12...
- Page 28 Hardware Interfaces CRTU-RU RS232 Interfaces (COM 1, COM 2) The CRTU-RU is equipped with two RS232 interfaces. The two assigned 9-pin standard SUB-D male connectors are designated with COM 1 and COM 2 and located on the rear panel. Interface characteristics ½...
- Page 29 CRTU-RU Hardware Interfaces 2. Control and message lines active LOW. Input; using this signal the data terminal recognizes that the (Data Carrier Detect) modem of the remote station receives valid data with a sufficient signal level. DCD is used to disable the receiver in the data terminal and prevent reading of false data if the modem cannot interpret the signals of the remote station.
- Page 30 SELECT IN Fig. 2-3 Pin assignment of the LPT connector The 25-pin standard SUB-D female connector LPT on the rear panel of the CRTU-RU is intended for connecting a printer. The interface is CENTRONICS compatible. In GSM Mode this connector is also used for the dongle for hardlock software protection.
- Page 31 Fig. 2-5 USB Connector The CRTU-RU is equipped with two pairs of USB (Universal Serial Bus) connectors one pair located at the front and the second at the rear panel of the instrument. Each pair has its own USB controller. The USB connectors represent additional serial ports for connecting peripherals, e.g.
- Page 32 The USB bus is a polling bus, which means that all activities will be initiated by the host adapter. PS/2 Connector (PS/2) The CRTU-RU is supplied with a 6-pole Mini DIN female connector PS/2 at the rear of the instrument. Note: The keyboard and the mouse supplied with the instrument are connected via the USB connectors.
- Page 33 The BNC connectors IF RX CH1 OUT, IF RX CH2 OUT, IF TX CH1 OUT, IF TX CH2 OUT are located on the rear panel of the CRTU-RU and provide an IF signal from the RXTX boards 1 and 2 that can be used for monitoring purposes.
- Page 34 Hardware Interfaces CRTU-RU DATA CH1/CH2, CTRL CH1/CH2 LED DATA CH1 RXD1 RXD2 TXD1 TXD2 Fig. 2-7 DATA CH1/CH2 connector Two 9-pin SUB-D female connectors DATA CH1/CH2 are located on the rear panel. These connectors are intended for digital data input / output.
- Page 35 RESERVE4 RESERVE5 RESERVE6 Ethernet Connector The CRTU-RU is equipped with a fast Intel 8255x-based PCI Ethernet Adapter. ETHERNET Fig. 2-10 Ethernet connector The Ethernet connector at the rear is used to connect the instrument to a LAN (Local Area Network).
- Page 37 CRTU-RU Index Index Monitor connector ............2.7 2-Channel mode ............1.16 Output device ............... 1.16 AC supply connection ...........1.12 Addressed commands ............2.3 AUX connector .............2.11 Packing ................2.1 Parity (RS-232) .............. 2.5 Power fuses ..............1.12 Baud rate (RS-232)............2.5 Power switch..............1.13 BootMagic menu............1.14...
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