Ascent AT5000 Quick Reference Manual
External modulation optical transmitter
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Summary of Contents for Ascent AT5000
- Page 1 AT5000 External Modulation Optical Transmitter Quick Reference Guide Revision I...
- Page 2 Quick Reference Guide Revision I Copyright © 2023 Ascent Communication Technology Limited. All rights reserved. Reproduction in any manner whatsoever without the express written permission of Ascent Communication Technology is strictly forbidden. This document is produced to assist professional and properly trained personnel with installation and maintenance issues for the product.
- Page 3 AT5000 External Modulation Optical Transmitter Table of Contents 1 Precautions ..........................5 2 Introduction ........................... 6 2.1 Overview · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 6 2.2 Features ·...
- Page 4 Unplug unit and refer servicing only to Ascent Communication Technology qualified service personnel. Servicing Do not attempt to service this unit yourself. Refer all servicing only to Ascent Communication Technology qualified service personnel. Solutions Provider for FTTx, RFoG and HFC www. ascentcomtec.com...
- Page 5 19” sub-rack of 1 RU with dual main power supplies and SNMP management. Together with ACT 1RU EDFA optical amplifiers, the AT5000 XMOD2 provides an ideal long- distance video and short, medium video overlay solution in high density FTTX networks to bring the CATV services to business and home premises.
- Page 6 AT5000 External Modulation Optical Transmitter AT5000 XMOD2 1550nm Externally-Modulated (XMOD2) Laser Transmitter - 19” 1RU Items Unit Min. Typ. Max. Notes Optical Wavelength 1540 1563 Compatible with ITU wavelength Output Port No. Each Output 1 dBm/step Laser linewidth 0.35 SMSR...
- Page 7 AT5000 External Modulation Optical Transmitter Contact ACT for additional product variations on output power, 1 GHz, specific ITU channels, optical connectors etc. Note Solutions Provider for FTTx, RFoG and HFC www. ascentcomtec.com Page 7 of 28...
- Page 8 95 %. Free ambient air should be maintained around all sides of the unit. Care should be taken to ensure that the air flow around the unit is unrestricted. The AT5000-XMOD2 should have a minimum ventilation clearance of 1 RU above and below the transmitter.
- Page 9 Switch the AC or DC power ON (switch located on the rear panel). The ALARM LED will light red. The LCD will light and display “Model: AT5000-XMOD2” and “KEY OFF” on start up. Switch on the laser using the key switch.
- Page 10 AT5000 External Modulation Optical Transmitter Connect a matrix generator or head-end RF signal. The default control mode is AGC. The modulation control mode displayed in the main menu is RF Mode = AGC. Note Connect a fiber patch-cord from optical port OPT. OUT 1 to an optical power meter and verify the LCD reading matches your power meter reading.
- Page 11 AT5000 External Modulation Optical Transmitter Port Item Description Intelligent fan, begins to run when the chassis temperature reaches 32 °C to 35 °C (set by RF IN RF signal input OPT OUTPUT Optical signal output CONSOLE Console for computer network management...
- Page 12 AT5000 External Modulation Optical Transmitter The unit is housed in a 19” rack, 1 RU height. Status indicators and control keys are located on the front panel along with an RF monitor port. The front panel provides an LCD display for comprehensive status information and user interface.
- Page 13 AT5000 External Modulation Optical Transmitter The following table contains the ITU frequency plan with corresponding wavelengths available to the AT5000-XMOD2. Channel ITU Freq. Avail. ITU Channel ITU Freq. Avail. ITU (THz) Wavelengths (nm) (THz) Wavelengths (nm) Order Code Order Code 196.0...
- Page 14 AT5000 External Modulation Optical Transmitter The user can use web browser to check the working condition and basic parameters of the amplifier, it supports IE, Chrome, Firefox, Opera and other main web browser. The following example are based on Opera browser.
- Page 15 AT5000 External Modulation Optical Transmitter Step 3: Set the PC IP address in the same range with device IP address, so that the computer can access the device. Solutions Provider for FTTx, RFoG and HFC www. ascentcomtec.com Page 15 of 28...
- Page 16 User Name: admin Password: ascent First Time Log-in to WEB Manager The username/password for the first time log-in to the WEB Manager is admin/ascent, we recommend that the customer change the username and password as soon as possible. Restore Factory Setting...
- Page 17 AT5000 External Modulation Optical Transmitter The web management consist of five submenus. Items guide on the left, click to enter. Page Navigation Bar Device Status Page OMI mode: switch AGC/MGC statuses. OMI Value: -5 dB to +5 dB adjustable, factory setting is 0 dB.
- Page 18 AT5000 External Modulation Optical Transmitter Device Settings Page Alarm Status Page Solutions Provider for FTTx, RFoG and HFC www. ascentcomtec.com Page 18 of 28...
- Page 19 AT5000 External Modulation Optical Transmitter Alarm Properties Settings Page Solutions Provider for FTTx, RFoG and HFC www. ascentcomtec.com Page 19 of 28...
- Page 20 AT5000 External Modulation Optical Transmitter Network Settings Page Change Password Page Solutions Provider for FTTx, RFoG and HFC www. ascentcomtec.com Page 20 of 28...
- Page 21 AT5000 External Modulation Optical Transmitter Restore Settings Page Update Firmware Solutions Provider for FTTx, RFoG and HFC www. ascentcomtec.com Page 21 of 28...
- Page 22 AT5000 External Modulation Optical Transmitter Device Logs Solutions Provider for FTTx, RFoG and HFC www. ascentcomtec.com Page 22 of 28...
- Page 23 AT5000 External Modulation Optical Transmitter The following menu shows all using the down arrow button; the up arrow button can be reversed. Solutions Provider for FTTx, RFoG and HFC www. ascentcomtec.com Page 23 of 28...
- Page 24 AT5000 External Modulation Optical Transmitter Solutions Provider for FTTx, RFoG and HFC www. ascentcomtec.com Page 24 of 28...
- Page 25 AT5000 External Modulation Optical Transmitter Solutions Provider for FTTx, RFoG and HFC www. ascentcomtec.com Page 25 of 28...
- Page 26 OMI, the CNR will be lower, CTB and CSO higher The AT5000-XMOD2 will be in AGC mode (Automatic Gain Control) when first powered on. To change it to MGC mode (Manual Gain Control), refer to Section 5.3.
- Page 27 For short lines this level can be a bit higher than for very long lines. A reduced line drive level together with a reduced SBS suppression threshold in the transmitter increases the maximum achievable system range. The AT5000-XMOD2 incorporates field-selectable SBS thresholds. Ensure that the selected level will match the fiber line drive level as close as practical for best performance.
- Page 28 AT5000 External Modulation Optical Transmitter The total RF analog input level depends on the number of analog channels in your system and is identical for the type of system (NTSC, PAL, CENELEC) used. Use the following equation to determine the optimum RF input level per channel when the rated channel loading is not...
- Page 29 Phone: +84 168 481 8348 WEB: www.ascentcomtec.com EMAIL: sales@ascentcomtec.com Specifications and product availability are subject to change without notice. Copyright © 2023 Ascent Communication Technology Limited. All rights reserved. Ver. ACT_1RU_AT5000_XMOD2_QRG_V1i_Dec_2023 Solutions Provider for FTTx, RFoG and HFC www. ascentcomtec.com Page 29 of 28...
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