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Cross Technologies 3117-3338 720 Series Instruction Manual

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Instruction Manual
DOWNCONVERTER
ALARM
REMOTE
POWER
Data, drawings, and other material contained herein are proprietary to Cross Technologies, Inc., but may be
reproduced or duplicated without the prior permission of Cross Technologies, Inc. for purposes of operating
the equipment. Printed in USA.
When ordering parts from Cross Technologies, Inc., be sure to include the equipment model number,
equipment serial number, and a description of the part.
U 3300 G=+10.0 REF=
UPCONVERTER
D 3800 G=+18.0 AUT-E
MUTE
ALARM
C
ROSS
Alpharetta, Georgia 30005
Toll Free 888-900-5588
WEB www.crosstechnologies.com
E-MAIL info@crosstechnologies.com
Model
MENU
EXECUTE
T
ECHNOLOGIES, INC.
6170 Shiloh Road
(770) 886-8005
FAX (770) 886-7964
3117-3338#-720
Up/Downconverter
March 2022, Rev. 0
MODEL 3117
UP/DOWNCONVERTER
C
T
ROSS
ECHNOLOGIES INC.

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Summary of Contents for Cross Technologies 3117-3338 720 Series

  • Page 1 POWER MUTE ALARM Data, drawings, and other material contained herein are proprietary to Cross Technologies, Inc., but may be reproduced or duplicated without the prior permission of Cross Technologies, Inc. for purposes of operating the equipment. Printed in USA. When ordering parts from Cross Technologies, Inc., be sure to include the equipment model number, equipment serial number, and a description of the part.

  • Page 2: Table Of Contents

    WARRANTY - The following warranty applies to all Cross Technologies, Inc. products. All Cross Technologies, Inc. products are warranted against defective materials and workmanship for a period of one year after shipment to customer. Cross Technologies, Inc.’s obligation under this warranty is limited to repairing or, at Cross Technologies, Inc.’s option, replacing parts, subassemblies, or entire assemblies.

  • Page 3: General

    MODEL 3117-3338#-720 Up/Downconverter 1.0 General 1.1 Equipment Description The 3117-3338#-720 Up/Downconverter converts 0.72 to 3.3 and 3.8 to 0.72 GHz (±0.3 GHz) with non-inverting spectrums. Front panel LEDs provide indication of Remote, DC Power, upconverter mute, and PLL Alarm. The maximum gain is +20 dB for the upconverter and +20 dB for the downconverter (adjustable in 0.5 ±...
  • Page 4 1.2 Technical Characteristics EQUIPMENT SPECIFICATIONS* EQUIPMENT SPECIFICATIONS* Input Characteristics Input Characteristics DOWN 50Ω/14 dB 50Ω/14 dB Impedance/Return Loss Frequency 0.72 ±0.3 GHz 3.80 ±0.3 GHz Noise Figure, Max. 15 dB @ max gain 15 dB @ max gain Available Options Input Level range -40 to -20 dBm -40 to -20 dBm...
  • Page 5 1.3 Monitor and Control Interface A) Remote serial interface Protocol: RS-232C, 9600 baud rate, no parity, 8 data bits, 1 start bit, and 1 stop bit. (RS-232C, RS-422, or RS-485) M&C Cable Diagram - Cross Technologies Frequency Converters Male DB-9 Female DB-9 2015/16/17 M&CPort...
  • Page 6 B) Status Requests Table 1.1 lists the status requests for the 3117-3338#-720 and briefly describes them. PLEASE NOTE: The two character aa (00-31) prefix in the table below should be included ONLY when RS-485 is selected. Table 1.1 3117-3338#-720 Status Requests Table 1.1 3117-3338#-720 Status Requests Table 1.1 3117-3338#-720 Status Requests Command...
  • Page 7 C) Commands Table 1.2 lists the commands for the 3117-3338#-720 and briefly describes them. After a command is sent the 3117-3338#-720 sends a return “>” indicating the command has been received and executed. General Command Format - The general command format is {aaCND...}, where: { = start byte aa = address (RS-485 only) C = 1 character, either C (command) or S (status)

  • Page 8: Installation

    2.0 Installation 2.1 Mechanical The 3117-3338#-720 consists of one RF/Controller PCB housed in a 1 RU (1 3/4 inch high) by 16 inch deep chassis. A switching, ± 12, +5, +24 VDC power supply provides power for the assemblies. The 3117-3338#-720 can be secured to a rack using the 4 holes on the front panel.
  • Page 9 2.2 Rear Panel Input/Output Signals and Control - Figure 2.2 shows the input and output connectors on the rear panel. AC1 - POWER IN J2 - RF IN J1 - RF OUT J10 - MONITOR AND CONTROL AC input for switching 3.8 GHz +/- 0.3 GHz input, 0.72 +/- 0.3 GHz DB9 female connector.
  • Page 10 TABLE 2.2 IF/RF Connector Options TABLE 2.2 IF/RF Connector Options TABLE 2.2 IF/RF Connector Options Option BNC, 75Ω Type F, 75Ω BNC, 75Ω BNC, 75Ω BNC, 75Ω BNC, 50Ω BNC, 50Ω BNC, 50Ω BNC, 75Ω Type N, 50Ω BNC, 50Ω Type N, 50Ω...
  • Page 11 2.3 Front Panel Controls and Indicators - The following are the front panel controls and indicators. DS3 - DOWN ALARM LED DS1 - REMOTE LED LCD DISPLAY S1 - MENU/EXECUTE BUTTON Red LED indicates Yellow LED indicates Display shows Up and Press this to get into Program mode downconverter alarm.

  • Page 12: Operation

    2.4 Installation / Operation 2.4.1 Installing and Operating the 3117-3338#-720, Upconverter Section 1.) Connect a -40 dBm to -20 dBm signal to RF In, J4 (Figure 2.1). 2.) Connect the RF OUT, J5, to the external equipment. 3.) Connect 100-240 ±10% VAC, 47 - 63 Hz to AC on the back panel. 4.) Set the gain (See Section 2.5 Menu Settings).
  • Page 13 2.4.3 External 10 MHz Reference Operation Internal Reference Mode When the internal reference mode is selected, the unit's internal 10 MHz reference will become the ‘primary’ source and the unit’s synthesizers will lock to this internal 10 MHz reference. The unit will ignore any external 10 MHz signal present on the external reference input (J3).
  • Page 14 FUSE DRAWER SPARE FUSE AC Fuse - 2 amp slow blow (Type T), 5 mm X 20 mm FUSE INPUT 100-240± 10%VAC TYPE T 2A GDC 47-63 Hz 250 VOLT 2A MAX FOR 100 - 240 V~ Figure 2.3 Fuse Location and Spare Fuse 3117-3338#-720 Manual, Rev.

  • Page 15: Menu Settings

    2.5 Menu Settings 2.5.1 Functions - This section describes operation of the front panel controls. There are three operator switches, the LCD display and alarm indicator LEDs. All functions for the equipment are controlled by these components. The functions are (see Figure 2.2): Power Up Normal Display Menu 1...
  • Page 16 2.5.2 Power-On Settings NOTE: THE LAST STATUS OF A UNIT IS RETAINED EVEN WHEN POWER IS REMOVED. WHEN POWER IS RESTORED, THE UNIT WILL RETURN TO IT'S PREVIOUS SETTINGS. When power is first applied, the LCD display goes through three steps. 1.
  • Page 17 2.5.4 Gain Changes When you get to this menu note that the gain changes will be made as you make them but if you do not wish to save the changes you have made, scroll to “R” and push the menu/Execute switch and select “NO” in the “SAVE SETTINGS?”...
  • Page 18 2.5.5.2 Downconverter Gain To set the downconverter gain, first push the Menu/Execute switch to get to the gain setting: Operate the Menu/Execute switch until you get to the menu item you want to change. See Figure 2.4 for the sequence of menu options. The following display is for changing the downconverter gain.
  • Page 19 ON POWER UP 3117-3338#-720E1W8X Power Up 4.00 NORMAL DISPLAY U 3300 G = +10.0 REF= Normal Display D 3800 G = +18.0 AUT-E PUSH BUTTON PUSHING MENU/EXECUTE SEQUENCE UP G = 10.5 SCROLL <> Menu 1 Up Gain (0 to +20.0) SCROLL PUSH BUTTON SCROLL <>...

  • Page 20: Environmental Use Information

    3.0 Environmental Use Information A. Rack-Mounting - To mount this equipment in a rack, please refer to the installation instructions located in the user manual furnished by the manufacturer of your equipment rack. B. Mechanical loading - Mounting of equipment in a rack should be such that a hazardous condition does not exist due to uneven weight distribution.
  • Page 21 ROSS ECHNOLOGIES, INC. 6170 Shiloh Road Alpharetta, Georgia 30005 (770) 886-8005 FAX (770) 886-7964 Toll Free 888-900-5588 WEB www.crosstechnologies.com E-MAIL info@crosstechnologies.com Printed in USA 3117-3338#-720 Manual, Rev. 0 Page 21 03/23/2022...