Cross Technologies 1584-29 Manuale utente

Instruction Manual

Model 1584-29

RF Splitter

March 2019 Rev. C

+DC

MONITOR 1

GND ON RF +DC

MONITOR 2

GND ON RF

MODEL

1584

POWER DIVIDER

CROSS TECHNOLOGIES INC.

VOLTAGE VOLTAGE

A B

AC 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.

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 1584-29 RF Splitter

TABLE OF CONTENTS PAGE

Warranty 2

1.0 General 3

1.1 Equipment Description 3

1.2 Technical Characteristics 4

1.3 Environmental Use Information 5

2.0 Installation 6

2.1 Mechanical 6

2.2 Rear Panel Input/Output Connectors 7

2.3 Front Panel Monitors and Indicators 7

2.4 Operation 8

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]

1584-29 Manual, Rev C Page 2 3/7/19

MODEL 1584-29 RF Splitter

1.0 General

1.1 Equipment Description - The Model 1584-29 is two, nine way, 0.95 - 2 GHz, 0 dB gain splitters in a 1

Rack Unit chassis with redundant 100-240 ±10% VAC power supplies. Each splitter provides fused DC power

insertion on the input connector center pin, surge protection, and excellent RF characteristics. Each splitter has a

monitor connector on the front panel and eight outputs on the back panel. Two individual 90-260 VAC input power

supplies provide a diode OR’d + 22 VDC voltage for internal amplifiers and for DC to power external amplifiers

(often Low Noise Block converters or LNBs) through DC power inserters. Each LNB power line is separately

fused. A surge suppressor on each splitter input protects against high voltage transients. All splitter outputs are AC

coupled so no DC appears on their center conductors. On the front panel, green LEDs indicate presence of +22

VDC at each LNB power supply output and DC voltage test points allow monitoring this voltage with a voltmeter.

Presence of power from the +24 VDC power supplies is shown by the AC Power A and B green LEDs.

+DC

MONITOR 1

GND ON RF +DC

MONITOR 2

GND ON RF

MODEL

1584

POWER DIVIDER

ROSS

ECHNOLOGIES INC.

VOLTAGE VOLTAGE

A B

AC POWER

FRONT PANEL

AC A AC B

GND

JIJ2J3J4

19 J5J6J7J8

9J10J11J12

J17 J13J14J15J16 OUTOUTOUTOUTIN OUTOUTOUT

UTOUTOUTOUTOUTIN OUTOUTOUTOUT

FUSE F4 FUSE F3

REAR PANEL

FIGURE 1.1 MODEL 1584-29 FRONT AND REAR PANELS

AMP

INS

SURGE

SUP-

PRESOR

FUSE

9 WAY

SPLIT

OUT 1

OUT 2

OUT 8

MON

LNB PWR LED

1584-29 BLOCK DIAGRAM, EACH SPLITTER

1 - 2

GHz

1 - 2 GHz OUT

LNB PWR TP

FIGURE 1.2 MODEL 1584-29 RF SPLITTER BLOCK DIAGRAM

1584-29 Manual, Rev C Page 3 3/7/19

1.2 Technical Characteristics

TABLE 1.0 1584-29 RF SPLITTER SPECIFICATIONS

Characteristics Specifications*

Input Characteristics

Input Impedance/RL 75 Ω/10dB, min, 0.95-2.05 GHz;

14dB, typ, 0.95-1.75 GHz

Input Level -20 dBm total maximum

Output Characteristics

Impedance/RL 75 Ω/10dB, min, 0.95-2.05 GHz;

14 dB, typ, 0.95-1.75 GHz

In-Band Characteristics

Gain +0 dB ± 1.0 dB

Frequency Response ± 1.0 dB, 0.95 - 1.75 GHz; ± 0.5 dB, any 20 MHz incr.

+1, -3 dB,1.75 - 2 GHz; ± 0.7 dB, any 20 MHz incr

Port to Port Isolation > 18 dB, min., 20 dB typ.

Coupler to Coupler Isol. > 35 dB, min., 40 dB typ

Indicators

Power Green LED indicates DC voltage prior to diode OR and to amplifiers

Other

LNB DC voltage 22 ± 2 VDC

Output Amplifier current 300 ma, max., each

Surge Suppressor SiDACTOR

RF connectors Type F , female

Fuses - AC 5mm, 2 amp, fast blo

Fuses - LNB Voltage 1/4 “, 1 amp, fast blo

AC Power Redundant power supplies, 100-240 ±10% VAC, 50 -60 Hz, 30 watts max.

Mechanical 19 inch standard chassis 1.75”high X 12” deep

Options

Option D 50ΩBNC RF IN/OUT

*+10 to +40 degrees C; 2000 meters max elevation; 80% max humidity; Pollution Degree 2; Specifications

subject to change without notice.

1584-29 Manual, Rev C Page 4 3/7/19

1.3 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 multi-unit 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 REINSTALLED

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

emission problems.

1584-29 Manual, Rev C Page 5 3/7/19

2.0 Installation

2.1 Mechanical - The 1584-29 consists of one RF printed circuit board (PCB) housed in a 1 RU (1 3/4 inch

high) by 12 inch deep chassis. Redundant, switching, +24 VDC power supplies with the DC output diode OR’d

provide redundant power for the internal and external amplifiers and LEDs. Connectors are type F, female for the

RF connections. The 1584-29 can be secured to a rack using the 4 holes on the front panel. Figure 2.1.shows how

the 1584-29 is assembled. J27 and J25 connect DC Power to the fuses as shown and J30 and J29 connect the DC

voltage from the power supplies to the PCB as shown.

POWER

SUPPLY B

POWER

SUPPLY A

J27

LNB-1 FUSE

PIN 1, LNB SIDE

PIN 2, +22 VDC SIDE

J25

2 1

J30

+24, PS B IN

PIN 1, +24 VDC

PIN 2, GROUND

2 1

J29

LNB-2 FUSE

PIN 1, LNB SIDE

PIN 2, +22 VDC SIDE

+24, PS A IN

PIN 1, +24 VDC

PIN 2, GROUND

FIGURE 2.0 1584-29 MECHANICAL ASSEMBLY

1584-29 Manual, Rev C Page 6 3/7/19

2.2 Rear Panel Input/Output Connectors -

The input and output connectors on the rear panel are shown in Figure 2.1.

CAUTION! IF FUSES ARE INSTALLED IN THE Fuse 3 OR Fuse 4 HOLDERS, +22 VDC WILL APPEAR

ON THE CORRESPONDING SPLITTER INPUT CONNECTOR CENTER PINS.

GND

JIJ3J4J19 J5J6J7J9J10J11J12J14J15

OUTOUTOUTOUTOUTOUTOUTOUTOUTIN OUTOUTOUT

FUSE F4 FUSE F3

SPLITTER 2 OUTPUTS

Terminate when not used

1 INPUTAC 1 INPUT

100-240 ±10%

VAC 47-60HZ

Uses 2 amp Fast

Blo, 5mm Fuse

AC 2 INPUT

100-240 ±10%

VAC 47-60HZ

Uses 2 amp Fast

Blo, 5mm Fuse

AC1

GND

AC2

SPLITTER2 INPUT

CAUTION!

+22 VDC ON

CENTER PIN

CHASSIS

GROUND

SPLITTER1 INPUT

CAUTION!

+22 VDC ON

CENTER PIN

SPLITTER 1 OUTPUTS

Terminate when not used

FUSE FOR LNB2

1 amp Fast Blo, 1/4” Fuse FUSE FOR LNB1

1 amp Fast Blo, 1/4” Fuse

J17 OUT

J16 OUT

J15 OUT

J14 OUT

J13 OUT

J12 OUT

J11 OUT

J10 OUT

J9 IN

J19 OUT

J8 OUT

J7 OUT

J6 OUT

J5 OUT

J4 OUT

J3 OUT

OUT

FIGURE 2.1 1584-29 REAR PANEL

2.3 Front Panel Monitors and Indicators -

Figure 2.2 shows the front panel monitors and indicators.

RF2 - MONITOR

Monitors Splitter

2 output

POWER LED A

Lights green when DC voltage

is present from AC A power

supply.

LNB2 VOLTAGE LED

Lights Green when LNB voltage

is present on the Splitter input

AC POWER

LNBVOLTAGE

ONGND +DC

MODEL 1584

POWER DIVIDER CROSS TECHNOLOGIES INC.

MONITOR 1

LNB VOLTAGE

ONGND +DC

MONITOR 2

POWER LED B

Lights green when DC voltage

is present from AC B power

supply.

GROUND

TEST POINT LNB 2 VDC

TEST POINT

LNB1 VOLTAGE LED

Lights Green when LNB voltage

resent on the S

litter in

GROUND

TEST POINT LNB 1 VDC

TEST POINT

RF1 - MONITOR

Monitors S

litter 1 out

FIGURE 2.2 1584-29 FRONT PANEL

1584-29 Manual, Rev C Page 7 3/7/19

2.4 Operation -

1.) Connect RF cables to the 1584-29 (See Section 2.2).

2.) IF DC VOLTAGE IS REQUIRED ON THE SPLITTER RF INPUT CENTER CONDUCTOR,

install 1/4”, 1 amp fast blo fuses in Fuse 3 and/or Fuse 4 holders.

CAUTION! IF FUSES ARE INSTALLED IN THE Fuse 3 OR Fuse 4 HOLDERS, +22 VDC WILL APPEAR

ON THE CORRESPONDING SPLITTER INPUT CONNECTOR CENTER PINS.

3.) Connect 100-240 ±10% VAC, 47 - 63 Hz to AC A and AC B on the back panel and observe

A and B LEDs are lit on the front panel.

4.) Monitor RF signals on the front panel monitors and DC voltage to the external amplifiers

(Front panel Green ON LEDs should be lit if LNB fuses are installed in the rear panel fuse holders)

to insure proper signals and voltages.

NOTE: FOR OPTIMUM PERFORMANCE, THE MONITOR PORT AND SPLITTER PORTS SHOULD BE

TERMINATED WITH 75 OHM TYPE F TERMINATIONS WHEN NOT USED.

5.) AC Fuse - The fuse is a 5mm, 2 amp fast blo and is inserted in the far slot in the drawer below the AC

input as shown in Figure 2.6. There is a spare fuse in the near slot. If a fuse continues to open, the power supply is

most likely defective. Note that each power supply module within the chassis also has a fuse but failure of this fuse

indicates the power supply may be defective.

AC Fuse - 2 amp slow blow (Type T),

5 mm X 20 mm

FUSE DRAWER

SPARE FUSE

INPUT

100-240± 10%VAC

47-63 Hz

2A MAX

FUSE

TYPE T 2A GDC

250 VOLT

FOR 100 - 240 V~

FIGURE 2.6 FUSE LOCATION AND SPARE FUSE

1584-29 Manual, Rev C Page 8 3/7/19

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]

1584-29 Manual, Rev C Page 9 3/7/19

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