Cross Technologies 2016-25-01 User manual

Instruction Manual

Model 2016-25-01

Downconverter

March 2009 Rev A

EXECUTE

MODEL 2016

CROSS TECHNOLOGIES INC.

REMOTE POWERALARM

DOWNCONVERTER

F=2250.000 G=+10

IF MONITOR RF MONITOR

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.

When ordering parts from Cross Technologies, Inc., be sure to include the equipment

model number, equipment serial number, and a description of the part.

CROSS TECHNOLOGIES, 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 [email protected]

Instruction Manual

MODEL 2016-25-01 Downconverter

TABLE OF CONTENTS PAGE

Warranty 2

1.0 General 3

1.1 Equipment Description 3

1.2 Technical Characteristics 4

1.3 Monitor & Control Interface 5

1.4 Environmental Use Information 8

2.0 Installation 9

2.1 Mechanical 9

2.2 Rear Inputs/Outputs 10

2.3 Front Panel Controls, Indicators 11

2.4 Auto 10 MHz Reference Mode 11

2.5 Operation 13

2.6 Menu Settings 14

Appendix (Ethernet Instructions) 18

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. Cross Technologies, Inc. shall

not be liable for any special, indirect, or consequential damages. This warranty does not

cover parts or equipment which have been subject to misuse, negligence, or accident by the

customer during use. All shipping costs for warranty repairs will be prepaid by the

customer. There are not other warranties, express or implied, except as stated herein.

CROSS TECHNOLOGIES, 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 [email protected]

2016-25-01 Manual _Rev A Page 2 3/26/09

MODEL 2016-25-01 Downconverter

1.0 General

1.1 Equipment Description

The 2016-25-01 Downconverter converts 2000 to 2500 MHz to 70 ± 18 MHz in 100 KHz steps with low group

delay and flat frequency response. Synthesized local oscillators (LO) provide frequency selection. Multi-

function push button switches select the RF frequency and gain. Front panel LEDs provide indication of DC

power (green), remote operation (yellow), and PLL alarm (red). Variable attenuators for the RF input provide a

gain range of 0 to +50 dB as adjusted by the front panel multi-function pushbutton switches. Frequency and

gain settings appear on the LCD display. Connectors are: N-type for RF In; BNC for IF Out, 10 MHz In, 10

MHz Out, and IF Monitor; SMA for RF Monitor and 1st LO Monitor. The unit is powered by a 100-240

±10% VAC power supply, and housed in a 1 3/4” X 19“ X 16” rack mount chassis.

EXECUTE

MODEL 2016

CROSS TECHNOLOGIES INC.

REMOTE POWERALARM

DOWNCONVERTER

F=2250.000 G=+10

IF MONITOR RF MONITOR

FRONT PANEL

GND

J10

J18J2

RF IN 10 MHZ REF 10 MHZ

AND

MONITOR EXT REF

LNB FUSE

F1 CONTROL

IF OUT OUTPUT INPUT

DS8

VDC on RF

J20

15 234 6789

REAR PANEL

FIGURE 1.1 Model 2016-25-01 Front and Rear Panels

2016-25-01 Block Diagram

MHz

OUT

2.0

2.5

GHz

CONTROLLER

F=2250 G=+10

EXT

10 MHz*

INT/EXT

10 MHz

INT

10 MHz

VAR

ATT

FIGURE 1.2 Model 2016-25-01 Downconverter Block Diagrams

2016-25-01 Manual _Rev A Page 3 3/26/09

1.2 Technical Characteristics

TABLE 1.0 2016-25-01 Downconverter Specifications*

Input Characteristics

Impedance/Return Loss 50 /12 dB

Frequency 2.0 to 2.5 GHz

Input Level -70 to -20 dBm

Output Characteristics

Impedance/Return Loss 75 /18 dB

Frequency 70 ± 18 MHz

Output level -30 to -20 dBm

Output level/1 dB -15 dBm

Channel Characteristics

Gain range (adjustable) 0 to +50.0 dB

Image Rejection > 50 dB, min.

Frequency Response ±1.5 dB, 2.0-2.5 GHz; ± 1.0 dB, 36 MHz BW

Spurious Response < -45 dBC in band

Group Delay, max 0.01 ns/MHz2(parabolic), 0.03 ns/MHz (linear); 1 ns ripple

Frequency Sense Inverting or Non-inverting (selectable)

Synthesizer Characteristics

Frequency Accuracy ± 0.01 ppm internal reference

Frequency Step 100 KHz

10 MHz Level (In/Out) +3 dBm ± 3 dB w/Auto-detect feature

-105-95-80-70-70

1MHz100kHz10kHz1kHz100 Hz

dBC/Hz

Phase Noise

Fre

Controls, Indicators

Frequency Selection Direct readout LCD; manual or remote selection

Gain Selection Direct readout LCD; manual or remote selection

Power, Alarm, Rem, Mute Green LED, Red LED, Yellow LED, Red LED

Other RF, IF Connectors N-type (female) (RF), BNC 50(female) (IF)

10MHz Connectors BNC (female), 50/75

Alarm/Remote Connector DB9 (female) - NO or NC contact closure on Alarm / RJ45 Ethernet

Size 19 inch, 1RU standard chassis 1.75” high X 16.0” deep

Power 100-240 ± 10% VAC, 47-63 Hz, 45 W max

All Standard Included Options

W7 - Front Panel, RF (SMA) & IF (BNC 50) Monitor Ports,

W13 - Rear Panel, LO Monitor Port, SMA

W16 - Individual Test/Calibration Data

W85 - Ethernet M&C interface with SNMP

x1 - 100 kHz step tuning resolution

xE - External 10 MHz reference with AUTO switching

M - IF connector ->BNC 50; RF connector -> N-type, 50(see table 2.2)

H - High Stability (± 0.01 ppm) internal reference

*+10˚C to +40˚C; Specifications subject to change without notice

2016-25-01 Manual _Rev A Page 4 3/26/09

1.3 Monitor and Control Interface

A) Remote serial interface

Protocol: RS-232C, 38400 baud rate, no parity, 8 data bits, 1 start bit, and 1 stop bit.

(RS-232C, RS-422/RS-485 -> option -Q)

Female DB-9

PC Com Port Male DB-9

2015/16/17 M&C Port

M&C Cable Diagram - Cross Technologies Frequency Converters

RX RX

TX TX

DTR

DSR

RTS

CTS

Connector: Rear panel, DB-9 male

J10 Pinouts

Pinouts (RS-232C/422/485)

Pin Function

1Rx-

2 Rx+ (RS-232C)

3 Tx+ (RS-232C)

4Tx-

5GND

6 Alarm Relay: Common

7 Alarm Relay: Normally Open

8NotUsed

9 Alarm Relay: Normally Closed

2016-25-01 Manual _Rev A Page 5 3/26/09

B) Status Requests

Table 1.1 lists the status requests for the 2016-25-01 and briefly describes them.

*PLEASE NOTE: The two character {aa}(00-31) prefix, in the table below,

should be used ONLY when RS-485, (OPTION-Q), is selected.

TABLE 1.1 2016-25-01 Statuus

Status Requests

TABLE 1.1 2016-25-01 Status Requests

Command Syntax* Description

Command Status {aaS1} Returns {aaS1bbbbbbbccde} where:

• bbbbbbb = Rx frequency

• cc = Rx gain

• d = 0 - non-inverted Receiver; 1 - inverted

• e = 0 - Summary Alarm; 1=Alarmed, 0=Normal

10MHz Ref Status Returns where:

(option E only)

• = 1 - external 10 MHz selected

{aaS2} Returns {aaS2bc} where:

• b = 0 for internal reference

• b = 1 for external reference

• b = 2 forAUTO reference

• c = 0: no fault in AUTO reference mode

• c = 1: fault occurred in AUTO reference mode

2016-25-01 Manual _Rev A Page 6 3/26/09

C) Commands

Table 1.2 lists the commands for the 2016-25-01 and briefly describes them. After a command is sent the

2016-25-01 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 - option Q)

C = 1 character, either C (command) or S (status)

N = 1 character command or status request

D = 1 character or more of data (depends on command)

} = stop byte

*PLEASE NOTE: The two character {aa}(00-31) prefix, in the table below,

should be used ONLY when RS-485, (OPTION-Q), is selected.

Table 1.2 2016-25-01 Com

mands

Commands

Command Syntax* Description

Set Receiver Frequency {aaC2xxxx} where:

• xxxxxxx = 7 characters

• Range: 200000 to 2500000 MHz

Set Receiver Gain {aaC4xx} where:

• xx = 2 characters

• Range: 00 to 50 (0 dB to +50 dB, in 1 dB steps)

Enable Spectrum Invert {aaC7x} where x =:

• 0 to disable spectrum invert

• 1 to enable spectrum invert

10 MHz Reference Mode {aaCEx} where x =:

• 0 to select INTERNAL 10 MHz reference

• 1 to select EXTERNAL 10 MHz reference

• 2 to select AUTO 10 MHz reference

{aaCF} Command to clear a reference fault state

when in the AUTO 10 MHz mode

Enable Remote # Just # sign

Disable Remote {aaCR0} {CR and zero}

2016-25-01 Manual _Rev A Page 7 3/26/09

1.4 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.

C.Elevated operating ambient temperature - if installed in a closed or multiunit rack assembly,

the operating ambient temperature of the rack may be greater than room ambient temperature.

Therefore, consideration should be given to Tmra.

D. Reduced air flow - Installation of the equipment in a rack should be such that the amount of air flow

required for safe operation of the equipment is not compromised. Additional space between unit

may be required.

E. Circuit Overloading - Consideration should be given to the connection of the equipment to the supply

circuit and the effect that overloading of circuits could have on over current protection and supply wiring.

Appropriate consideration of equipment name plate rating should be used, when addressing this concern.

F. Reliable Earthing - Reliable earthing of rack-mounted equipment should be maintained. Particular

attention should be given to supply connections other than direct connection to the Branch

(use of power strips).

G. Top Cover - There are no serviceable parts inside the product so, the Top Cover should not be removed.

If the Top Cover is removed the ground strap and associated screw MUST BE RE-INSTALLED

prior to Top Cover screw replacement. FAILURE TO DO this may cause INGRESS and/or EGRESS

emission problems.

2016-25-01 Manual _Rev A Page 8 3/26/09

2.0 Installation

2.1 Mechanical

The 2016-25-01 consists of one RF/Controller PCB housed in a 1 RU (1 3/4 inch high) by 16 inch deep chassis.

A switching, ± 12, +24, +5 VDC power supply provides power for the assemblies. The 2016-25-01 can be

secured to a rack using the 4 holes on the front panel. Figure 2.1 shows how the 2016-25-01 is assembled.

POWER

SUPPLY

FIGURE 2.1 Model 2016-25-01 Downconverter Assembly

2016-25-01 Manual _Rev A Page 9 3/26/09

2.2 Rear Panel Input/Output Signals - Figure 2.2 shows the input and output connectors on the rear panel.

J1 - IF OUT A

70 MHz, -20 dBm output.

75, BNC (female) -

see Table 2.2 for other options.

GND

J10

J18

10 MHZ REF 10 MHZ

AND

MONITOR EXT REF

CONTROL

IF OUT OUTPUT INPUT

15 234 6789

MONITORS

RF IN

1ST LO 2ND LO

J20

AC - POWER IN

AC input for switching power supply.

100-240 ±10% VAC, 47-60 Hz.

J10 - MONITOR AND CONTROL

DB9 female connector.

See Table 2.1.

J3 - 10 MHz EXT REF INPUT (option -E)

10 MHz external reference input, 0 ± 3 dBm,

75 BNC female connector.

J18 - 10 MHz REF OUTPUT (option -E)

10 MHz reference output, 0 ± 3 dBm.

75 BNC female connector.

J2 - RF IN

2000-2500 MHz, -70 to -20 dBm

input. 50, BNC (female) - see

Table 2.2 for other options.

J20 - ETHERNET

CONNECTION

RJ45 Ethernet Connector

1st LO MONITOR

Sample of the 1st LO of the

downconverter

FIGURE 2.2 2016-25-01 Downconverter Rear Panel Inputs/Outputs

Table 2.1 J10

Table 2.1 J10 Pinouts (RS-485/RS-422/RS-232C)*

Pin Description

1Rx-

2 Rx+ (RS-232C)

3 Tx+ (RS-232C)

4Tx-

5 Ground

6 Alarm Relay - Common

7 Alarm Relay - Normally Open

8 Output Level Detector, 0 to +5 VDC (option W1 ONLY)

9 Alarm Relay - Normally Closed

*Interface: DB-9 Female; Protocol: RS-485, RS-422, or RS-232C (selectable),

9600 baud rate, no parity, 8 data bits, 1 start bit, 1 stop bit

TABLE 2.2

IF/RF

IF/RF Connector Optionns

Options

Option IF RF

STD BNC, 50BNC, 50

BNC, 75BNC, 75

BNC, 50BNC, 50

BNC, 75Type N, 50

BNC, 50Type N, 50

SMA, 50SMA, 50

2016-25-01 Manual _Rev A Page 10 3/26/09

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