Motorola SG2-DRT-3X Installation Sheet Download Page 4

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STARLINE

SG2-DRT-3X Installation Sheet

Figure 3 illustrates a block diagram of the SG2440-DR-3X return configuration:

Figure 3

SG2440-DR-3X return configuration

RP1

DRT1

DRT2

RP3

RP2

RP4

3.5 dB

(MCX)

PLUG-IN

BOARD

E-PACK

LID

D sub location

DRT1

DRT2

XMTR

INPUT

Figure 4 illustrates the SG2440-DR-3X return board:

Figure 4

SG2440-DR-3X return board

R1 R2

Summary of Contents for SG2-DRT-3X

Page 1: ...in control AGC and requires no adjustment The SG2 DRT 3X features alarm LEDs to report local status information To facilitate easy upgrades the SG2 DRT 3X has the same set up levels as the analog return transmitters The double wide module occupies the same locations as the two analog transmitters in the node lid The SG2 DRT 3X generates its own 5 V power and works with a single SG2 PS2 or SG2 PS p...

Page 2: ...LF pilot generator LF pilot generator Frame synchronization A D converter 32 1 multi plexer 3 1 GHz xoscillator Laser driver ITU laser Microprocessor ADC in DAC out A D converter A D converter Filter and clock driver RF detector RF detector RF detector Figure 2 illustrates the SG2 DRT 3X Figure 2 SG2 DRT 3X transmitter OPTICAL POWER 1 V mW I N P U T I N P U T A B SG2 DRT 3X Digital Return Optical ...

Page 3: ...onnector provides the SG2 DRT 3X with channel B RF input through a cable connection to the node lid board in an SG2440 or the E pack in an SG2000 Channel C RF input is provided by direct connection of the node lid board with the D type connector on the bottom of the SG2 DRT 3X 5 This SC APC type connector provides optical output from the SG2 DRT 3X Installing the SG2 DRT 3X in the SG2440 Node The ...

Page 4: ... 3X return configuration Figure 3 SG2440 DR 3X return configuration RP1 DRT1 DRT2 RP3 RP2 RP4 3 5 dB 3 5 dB MCX MCX PLUG IN BOARD E PACK LID TX D sub location DRT1 DRT2 XMTR INPUT C A B Figure 4 illustrates the SG2440 DR 3X return board Figure 4 SG2440 DR 3X return board T1 R5 R1 R2 J9 R6 R4 R3 ...

Page 5: ... Ensure that the PIC cable is properly connected to the lid and E pack connectors 5 Install the two RF cables from DRT MCX 1 and DRT MCX 2 to RF INPUT A and RF INPUT B respectively on top of the SG2 DRT 3X 6 Confirm that the green LED ON located on the top panel of the SG2 DRT 3X is illuminated to confirm enable status A delay of approximately 10 seconds before illumination is normal 7 Review retu...

Page 6: ... pad the XMTR A location as no signal is present 8 Close the housing and use a torque wrench to progressively tighten the housing bolts to a final torque of 12 ft lbs in the sequence stamped on the housing lid Figure 6 illustrates a properly installed and cabled SG2 DRT 3X Figure 6 SG2 DRT 3X installed in SG2440 ...

Page 7: ...for combined configuration 3 Change the 15 dB JXP pad at the XMTR A location to a 5 dB JXP Installing the SG2 DRT 3X in the SG2000 Node You can equip the SG2000 with a combined or a split return path module and still be compatible with the SG2 DRT 3X On SG2000 nodes equipped with an SG2 RPM C you can select any two RF ports for segmentation The two remaining ports will automatically be combined an...

Page 8: ...use the SG2 DRT 3X the SG2000 must be equipped with the ICS plug in board The circuitry on this assembly contains 9 dB of attenuation to ensure proper levels into the transmitter input Figure 8 illustrates the ICS board Figure 8 SG2 ICS board J1 ...

Page 9: ...al transmitter B Pad optical receiver C Pad optical transmitter A Pad optical receiver B Pad optical receiver A Test point optical transmitter B Test point optical receiver C Test point optical transmitter A Test point optical receiver B Test point optical receiver A JP2 2 Verify that the XMTR B 15 dB pad has been replaced with a 5 dB pad 3 Remove all cable clamps and then remove the E pack cover ...

Page 10: ... SG2000 ICS connections 5 Install an SG2 DR 3X input board in each selected ICS location The ICS locations on the left are for ports 1 and 3 and the locations on the right are for ports 2 and 4 6 Nest the attached cables between the components on the E pack and toward the PIC cable and status monitoring cable optional 7 Position the cover on the E pack and route the cables through the bottom openi...

Page 11: ... to adjust the level into the XMTR Use the JXP TP return path locations on the E pack for the two ports that have been segmented 13 Install a JXP 15 in the optical transmitter A pad location illustrated in Figure 9 14 Replace the E pack cover taking care not to pinch any cables 15 Close the housing and use a torque wrench to progressively tighten the housing bolts to a final torque of 12 ft lbs in...

Page 12: ... 85 C Storage temperature range 40 C to 85 C Dimensions 3 5 H 2 W 6 D Weight 1 8 lbs SG2 DRT 3X DWDM Models Model ITU Frequency THz Wavelength nm Model ITU Frequency THz Wavelength nm SG2 DRT 3X CH20 192 000 1561 42 SG2 DRT 3X CH32 193 200 1551 72 SG2 DRT 3X CH21 192 100 1560 61 SG2 DRT 3X CH33 193 300 1550 92 SG2 DRT 3X CH22 192 200 1559 79 SG2 DRT 3X CH34 193 400 1550 12 SG2 DRT 3X CH23 192 300 ...

Page 13: ...590 nm DFB SC APC SG2 DRT 3X 1610c 3X TDM CWDM TX 1610 nm DFB SC APC If You Need Help If you need assistance while working with the SG2 DRT 3X call the Motorola Technical Response Center TRC Inside the U S 1 888 944 HELP 1 888 944 4357 Outside the U S 215 323 0044 Online http broadband motorola com noflash websupport html The TRC is open from 8 00 AM to 2 00 AM Eastern Time Monday through Friday a...

Page 14: ...he fuse Electrostatic discharge ESD can damage the MPS unit and circuit card assemblies Wear an antistatic wrist strap attached to a chassis ground to prevent ESD damage FCC Compliance This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interfe...

Page 15: ... Motorola Inc 101 Tournament Drive Horsham PA 19044 U S A declare under our sole responsibility that the STARLINE Model SG2 DRT 3X to which this declaration relates is in conformity with one or more of the following standards EMC Standards EN55022 EN55024 EN55013 EN50083 2 CISPR 22 CISPR 24 CISPR 13 Safety Standards EN60065 EN60825 EN50083 1 EN60950 IEC 60950 A1 1992 A2 1993 A3 1995 A4 1996 IEC600...

Page 16: ...ice All other product or service names are the property of their respective owners Motorola Inc 2003 494828 001 5 03 All rights reserved No part of the contents of this manual may be reproduced or transmitted in any form or by any means without the written permission of the publisher MGBI ...

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