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AVA-E

Audio/Voice Adapter

User’s Guide

Revised March 11, 2019

Firmware Version 2.X

Summary of Contents for AVA-E

Page 1: ...AVA E Audio Voice Adapter User s Guide Revised March 11 2019 Firmware Version 2 X...

Page 2: ...is equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operat...

Page 3: ...8 Chapter 2 Installation 9 Overview 9 Setup 9 Using Leased Line Modems 9 Cabling 9 Parity Considerations 10 Voice Bandwidth Requirements 10 Voice Settings 10 Resetting Factory Defaults 11 Internal Jum...

Page 4: ...20 Test Tools TT 20 Monitor Data Port RX TX MR MT 21 Monitor Data Port in HEX MRH MTH 21 Show RS232 SR 21 Round Trip Delay RTD 21 Chapter 4 Web Browser Configuration 22 Overview 22 Local LAN 23 Field...

Page 5: ...37 Cables 37 Ethernet Cables 37 Ethernet Crossover Cable 37 RJ45 Pin Reference 37 Port Interface 38 Network Port RJ45 38 ASYNC Data Port RJ45 38 LAN Port 38 Voice Port Interfaces 39 FXS FXO RJ11 600...

Page 6: ...9600 bps or ADPCM 32K PCM 64K The AVA E is configured via a USB Setup port using a PC with terminal emulation software or using a web browser connection Configuration settings are maintained in non vo...

Page 7: ...contains a 25 watt amplifier for local PA applications Voice Quality The AVA E provides exceptional compressed voice quality at speeds ranging from 2400 to 9600 bps The compressed voice is based on th...

Page 8: ...ion If any of the above are missing contact your dealer immediately Configuration Software Requirements The AVA E requires a modern web browser for configuration The PC should be configured with a com...

Page 9: ...e port is active CD On when DCD is present on network port Sync On when network port is set for synchronous operation Off when serial network port is set for asynchronous operation or when LAN port is...

Page 10: ...unctions are as follows Switch 1 not used Switch 2 If up when unit is reset the RS232 ASYNC DATA port becomes the setup port Switch 3 Factory use only Switch 4 not used There is also a RESET switch ac...

Page 11: ...o the network port is specifically the SYNC NETWORK port on the AVA E The LAN port will not be used in the configuration described in this section Connect the modems to the phone line and power ON the...

Page 12: ...ing chart The voice interface is selected by the CV command and or internal jumper settings Equipment Voice Interface Local Remote Local Remote Analog Phone1 Analog Phone1 FXS2 FXS Analog PBX Ext Anal...

Page 13: ...n of a normal telephone line Thus the user may establish the same type of telephone services over the circuit derived through the use of the AVA E multiplexers that he or she could by direct connectio...

Page 14: ...jumpers remove the two screws from the front panel and slide the enclosure cover forward about three inches The jumper functions are noted below J3 1 2 Ties signal ground to chassis ground J4 1 2 Aud...

Page 15: ...he PC Use terminal emulation software e g PuTTY Tera Term HyperTerminal to connect to this COM port Set the PC for 57600 8 data bits no parity one stop bit and no flow control When connected you shoul...

Page 16: ...tinue AVA LAN Setup Menu 1 Local LAN Configuration 2 Remote LAN Configuration 3 Security Configuration 4 Configure Access 5 Configure SNMP 6 Display Config Summary Z Zero Activity Counts 7 Reset Confi...

Page 17: ...ting unchanged press Enter Only the first two digits are required to select the rate Use the SN command to display the settings without changing Configure Show Network CN SN SYNC NETWORK Port as Sync...

Page 18: ...until an entire block is received from the terminal device This insures data integrity and prevents fragmented blocks Settings are from 0 to 250 ms Default is 10ms DCD to RXD Holdoff can be set from...

Page 19: ...is not available if the interface is strapped for FXO If the E M interface is selected there is an option to use M input to control transmit In this mode analog voice transmission will occur only when...

Page 20: ...ws the number of network blocks received with a checksum error If a block format error of some sort occurs before the checksum calculation the block is discarded silently The Data TX in and RX out cou...

Page 21: ...the number of times remote control of the unit has been activated Counters show the number of times the local and remote voice port goes off hook The elapsed time since the counters were last cleared...

Page 22: ...ote mode and therefore are not displayed on the remote Help menu CR CN RTD and R If the EXIT command is not issued the connection will time out in 30 seconds and return to the local AT YOUR COMMAND pr...

Page 23: ...t RX or TX as it is displayed Press the Esc key twice to exit the command Monitor Data Port in HEX MRH MTH MRH and MTH work the same as MR and MT except the data are displayed in HEX Show RS232 SR Dat...

Page 24: ...configure the AVA E to reside on the subnet of your workstation All configuration screens are accessed from the main index screen shown below They are divided into sections with only one layer of scr...

Page 25: ...address of the gateway router on the local subnet Packets destined for a host not on the local subnet are forwarded to the gateway router If your LAN uses a router enter the IP Address of the Router...

Page 26: ...address should be used only in broadcast applications or with M controlled E M audio transmission In a multiple unit AVA E M installations going off hook on one telephone will cause all the remote pho...

Page 27: ...Preamp Gain and Input Gain The default depends upon the voice input Output Gain 42 to 20 dB Set the audio output gain level The default depends upon the voice input Jitter Buffer The Jitter Buffer is...

Page 28: ...characters maximum length Notes Voice configuration values often require adjustment for best voice quality adequate volume and minimum echo Jitter buffer adjustments are required to eliminate audio ga...

Page 29: ...gmented blocks Settings are from 0 to 250 ms Default is 10ms If changed from the default this is normally configured to be 3 or 4 character times at the selected data rate DCD to RxD Holdoff The DCD t...

Page 30: ...figuration If all Usernames and Passwords are blank this feature is disabled Fields Username The username may consist of 1 to 8 printable ASCII characters A space character may be used if it is not th...

Page 31: ...s Enter the IP addresses of the workstations which you wish to have access to the device If these are left at the default of 0 0 0 0 all workstations have access Web Server Enable or disable the web s...

Page 32: ...the AVA E unit is on line Fields Contact Person A text field that can be used to store the name of the person responsible for this AVA E unit Device Name A descriptive name for this AVA E Physical Loc...

Page 33: ...ration is visible on this screen Fields are described in the appropriate configuration section Restore LAN Defaults Clicking the Restore LAN Defaults button will restore the LAN default settings Resto...

Page 34: ...ed by AVA E to the ethernet interface Packets with errors Number of packets transmitted or received by the AVA E through the LAN connection that contained errors Bytes from Remote IP Addresses The num...

Page 35: ...help screen for each configuration screen available by clicking on the HELP button on individual configuration screens Clicking the HELP button on the main menu screen returns this help menu screen Fi...

Page 36: ...E correctly Check IP addressing Start troubleshooting from a known state Power all equipment OFF and ON to reboot Is a proper IP address configured in the PC Ping the unit to see if it responds From t...

Page 37: ...e or so low that it is ignored by the caller Excessive echo is usually present when audio levels are higher than need be Lower the levels one step at a time Eventually there should be a good talk leve...

Page 38: ...ith each new start up or when plugging the USB cable into the PC If using the ASYNC DATA port verify that Switch 2 on the DIP switch is in the Up position The most common problems causing this symptom...

Page 39: ...ailable 10 100BaseT cable If using 100BaseT or 1000BaseT an appropriately rated cable is required Ethernet Crossover Cable A crossover cable may be constructed to allow the ethernet port to directly c...

Page 40: ...6 Receive Data IN 7 Request to Send OUT 8 Clear to Send IN ASYNC Data Port RJ45 Pin Signal In Out 1 Data Set Ready OUT 2 Data Carrier Detect OUT 3 Data Terminal Ready IN 4 Signal Ground 5 Receive Dat...

Page 41: ...ad OUT 3 Audio IN 4 Audio OUT 5 Audio OUT 6 Audio IN 7 M lead IN 8 E M Ground MIC PTT RJ45 Pin Signal 1 Signal Ground 2 Signal Ground 3 Not Used 4 Audio Ground 5 Not Used 6 Mic Audio In 7 Not Used 8 P...

Page 42: ...work port to a DCB wireless modem 9802040 AVA DCB 115 RJ45 DE 9P Data Port to Async Device Configured as DTE AVA Computer RJ45 DB 25 Configured as DCE AVA Computer 40 1 2 3 4 5 6 7 8 6 8 20 7 3 2 5 4...

Page 43: ...Configuration RJ 45 DB 25 41 1 2 3 4 5 6 7 8 20 NC 6 8 7 2 3 4 5...

Page 44: ...o back bench testing using the asynchronous network port AVA Network AVA Network RJ 45 RJ 45 E M Port to Analog Modem E M Port to Analog Modem PCM or ADPCM 42 3 4 5 6 7 7 4 6 5 3 1 2 3 4 5 6 7 8 6 or...

Page 45: ...hysical pin out used on RJ 45 connectors Serial Network Port SYNC NETWORK Full Duplex Speed Synchronous up to 256 Kbps Asynchronous from 4800 to 230 400 bps Interface RS 232D implemented in RJ 45 8 po...

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