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Summary of Contents for Ascent Communication Technology ARF120B Series
- Page 1 ARF122B 1.2GHz MDU RF Amplifier Quick Reference Guide Revision A...
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Page 2: Quick Reference Guide
ACT Document Number: ACT AT5026 External Modulation Optical Transmitter Quick Reference Guide Revision A Copyright © 2016 Ascent Communication Technology Limited. All rights reserved. Reproduction in any manner whatsoever without the express written permission of Ascent Communication Technology is strictly forbidden. - Page 3 ARF122B 1.2GHz MDU RF Amplifier Table of Contents 1 Overview ..........................4 1.1 Features ·························································································································· 5 1.2 Block Diagram ················································································································· 5 1.3 Specifications ················································································································· 5 2 Installation and Configuration ....................7 2.1 Precautions ···················································································································· 7 2.2 Equipment Inventory ····································································································· 7 2.3 Packaging and Transportation ························································································...
- Page 4 ARF122B 1.2GHz MDU RF Amplifier ARF120B Series 1.2G 1 or 2 RF outputs, GaAs MDU amplifier is part of ACT Advanced Fiber Deep HFC solution, which has been designed to deliver interactive CATV, high capacity DOCSIS and other advanced services. The cost effective MDU amplifier platform helps operators expand bandwidth of their existing HFC network while minimizing capital investment.
- Page 5 ARF122B 1.2GHz MDU RF Amplifier Supports 1.2 GHz bandwidth On site changing freq small and exquisite GaAs technology in use Improved ESD and Surge protection Low noise figure Standard JXP plug-in PADs for all adjustments of attenuation and equalization ...
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Page 6: General Specifications
ARF122B 1.2GHz MDU RF Amplifier RF Test Point -20 dB Noise Figure 5.6 dB Group Delay 2 ns Output Level, CTB CENELEC 41 Chs 112.0 dBµV Output Level, CSO CENELEC 41 Chs 113.0 dBµV Output Level, XMOD CENELEC 41 Chs 119.0 dBµV CTB 105 / 72 Chs 66.0 dBc... - Page 7 Unplug unit and refer servicing to Ascent Communication Technology qualified service personnel only. Servicing Do not attempt to service this unit yourself. Refer all servicing to Ascent Communication Technology qualified service personnel only. On receiving your new ARF122B, you should carefully unpack and examine the contents for loss or damage that may have occurred during shipping.
- Page 8 ARF122B 1.2GHz MDU RF Amplifier After undoing the center lid bolt, lift the lid of the unit and fold it open. If the case will not open with normal force, a flat-bladed screwdriver can be used to lever the case apart. The screwdriver must be carefully inserted between the case halves.
- Page 9 ARF122B 1.2GHz MDU RF Amplifier When plugging the RF and power adaptors into AC input power port above, please make sure that the centre pin is between 30 mm and 35 mm when measured from the seating area of the connector to the tip of the centre pin (see below).
- Page 10 ARF122B 1.2GHz MDU RF Amplifier RF Connectors When plugging the RF and power adaptors into ports 1 through to 3, ensure that the centre pin is between 30 mm and 35 mm long. If the pin is any longer there may be a risk of damaging the unit. The sealing O-ring must be on the connector and in good condition (see below).
- Page 11 ARF122B 1.2GHz MDU RF Amplifier Verify the forward output level via RF input Test Point, measure the signal level, if it is not specified in the system design, you must adjust the Input level higher or lower. Set up the tilt. If the high-frequency signal reduced in the course of transmitting, you may adjust the variable equalizer EQ to get a suitable equalization.
- Page 12 ARF122B 1.2GHz MDU RF Amplifier 2. Balancing the Reverse Path Verify the Reverse input level and reverse output lever via RF Test Point, measure the signal level, if it is not specified in the system design, you must adjust the Input level higher or lower.
- Page 13 ARF122B 1.2GHz MDU RF Amplifier 1. Move cover 2. Must change the Diplex (2pcs), HPF, LPF and EQ 3. Mount Cover Solutions Provider for FTTx, RFoG and HFC www. ascentcomtec.com Page 13 of 15...
- Page 14 The liability of Ascent Communication Technology under this warranty is solely limited to repairing; replacing or issuing credit provided that: The warranty does not cover the following: 1.
- Page 15 Phone: +84 168 481 8348 WEB: www.ascentcomtec.com EMAIL: sales@ascentcomtec.com Specifications and product availability are subject to change without notice. Copyright © 2016 Ascent Communication Technology Limited. All rights reserved. Ver. ACT_ARF122B_RF_Amplifier_QRG_V1b_Aug_2017 Solutions Provider for FTTx, RFoG and HFC www. ascentcomtec.com Page 15 of 15...
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