Home

User`s manual Release 1.0

1. Symmetrical twisted pair 120 Ohm impulse voltage 3 V 10 data rate 2048 kbit s 50 ppm AMI HDB3 Table 2 E1 port parameters http parabel labs com Aw PARABEL gt Parabel Itd Installation Panels Controls Connectors and Indicators of ELF2 AE There are following controls on the front panel e Reset button Power led Ethernet link led Link2 E 1 led El a Console socket RJ 11 ELEFZ2 Console Figure 1 The front panel of ELF2 AE There are following sockets on rear panel e Ethernet socket RJ 45 Ethernet2 e El socket RJ 45 E1 A e DC input socket DC E1 A Ethernet Made in Russia S N Figure 2 The rear panel of ELF2 AE Sockets description Table 3 Ethernet socket http parabel labs com Aw PARABEL Parabel Itd Table 4 Socket El RXD input Table 5 Console socket Console attaching The console port is connected to the serial port of PC by adapter cable RJ 11 gt DB 9 Device is controlled by terminal program with parameters 38400 8b 1s np flow control off use Teraterm under Windows or minicom under Linux programs for example The main configuration menu After the power on or reset ELF2 AE device shows the main configuration menu on the terminal window Physical port parameter are configured by modification of parameters in hierarchical menus The configuration can be saved in the ELF2 AE nonvolatile memory ELF2 AE monitor v 0
2. of two years effective from the date of purchase Delivery e ELF2 AE e Console cable e Power source AC 220V for the stand alone version http parabel labs com Aw PARABEL
3. 13 18 09 2006 Updates http parabel labs com Firmware ELF2 AE 0xA Revision 0x3 E1 A Cfg Line code HDB3 Clock Line CRC4 On E1 A status LOS Off LOF Off LOM Off LOC Off RAIS Off FrErr 0 0 TDMoE status SkipEr 0 SlipEr 0 RxNuErr 0 lt gt mac 00555555552 1 Configuration gt gt 2 Status gt gt 3 Test gt gt 8 Start bootloader 9 Reset Figure 3 The main menu of configurator http parabel labs com Aw PARABEL Parabel Itd There is the following information in the upper screen part e Software release number e The main configuration settings and E1 line status TDMoE line status The following menu items resided in the lower screen part Figure are Configuration Status Test Start bootloader Reset Press keys 1 9 to choose submenu press key 0 to abandon submenu Other keys can be used to refresh status information and redraw the menu Monitoring E1 ports Status of E1 ports is presented in the E1 status string in the screen head Status fields legend is presented in the Table6 Lost Of Signal alll Lost Of Frame On No G 704 frame detected Lost Of Multiframe On CAS multiframe absent Lost Of CRC4 On CRC4 frame absent ff FrErr Frame Errors XX YYYY XX 8 bit counter of frame errors YYYY 16 bit counter of CRC4 errors Table 6 E1 status description To reset error counters choose Status Clear menu item Monitoring of TDMoE line status There are thre
4. ELF2 AE External E1 access device for the Asterisk tm open source PBX User s manual Release 1 0 A PARABEL Parabel Itd PARABEL ltd ALL RIGHTS RESERVED ELF2 AE USER S MANUAL Release 1 0 October 2006 PARABEL LIMITED P O BOX 126 NOVOSIBIRSK 90 THE RUSSIAN FEDERATION Web http parabel labs com http parabel ru Email info parabel inc ru Phone 7 383 2138707 Fax 7 9139139603 http parabel labs com A PARABEL Parabel Itd Attention It is not recommended to use this product on physical lines without lightning protectors http parabel labs com Aw PARABEL Parabel Itd Contents DESCRIPTION earen 5 OPERATING MODES OF ELF2 AE amp ZAPTEL ASTERISK SYSTEM ccccccccccccccccccccccccccccccccccccccees 5 TECHNICAL SPECIFICATION nescion 5 INSTALLATION ai a a 6 PANELS CONTROLS CONNECTORS AND INDICATORS OF ELF2 AE Lu ccc ccccccccseccceesccesccceecccescseeecseueceseessseseseusesenes 6 SOCKETS DESCRIPTION cccceccccccccccccccccccececcccescscesesesoesesessesesossesesoesesesoesesoesesesoesesesoesesessesesoesesessesesoesesoesenoaoesnenanss 6 CONSOLE A TT ACHIN 0 22293525 ate enc etter chee esc YY dS AND QN ANANDA eee AA AAA E reed lesen SAA AU MANEN verse 7 THE MAIN CONFIGURATION MENU c ccscceccescescceccecceccscescesccsccescescscescesccsccsscsscscescescesccescsscscescescesececcssctscescescescetscusss 7 MONITORING E L PORTS sess ne nee eRe AN EXER RN Aer DAMNE
5. ODES caver cacatecccecetsceu A A toca esis susceustsceuaceckccceteiiceuscessubastadcaseecsctusseeediacceesssueustes 13 RV RAIN Vassar cccyccccrsasecencecwcias wacevucecsecvdeiesescbancvassdisescecusncvecsdsaviesvbevseastdavescsCoivavesssissicassecuiwsuedidineisacoessseiseaieiescbissces 13 DELIVER I 2792202292222740 2 00062207 220 12720207 5 22 00 2220 9206 22021272 E 13 http parabel labs com Aw ARABE 1 4 Parabel Itd Description ELF2 AE is an external El access interface device for the Asterisk tm software PBX ELF2 AE uses Ethernet link and TDMoE protocol to deliver data from the E1 interface to the Asterisk server ELF2 AE is fully compatible with zaptel and uses standard zaptel TDMoE driver From the point of view of the Asterisk ELF2 AE device looks like an ordinary E l span Operating modes of ELF2 AE amp Zaptel Asterisk system Switching modes EuroISDN PRI or PRA Q 931 Q 921 AT amp T 4ESS DMS 100 Lucent 5E Network or CPE National ISDN 2 MFC R2 SS7 CAS Voice modes Feature Group D E amp M Wink A Law and Linear Modes Data modes SyncPPP Frame Relay X 25 Cisco HDLC Multi link PPP Note above features are supplied as is without support Technical specification Dimensions Stand alone 140x110x35 mm Rack mountable 4U height E ese ooo Power voltage ou T DC socket 15V 20 Types ofinterfaces _ C N R JAN P metet a oO Table 1 General aram en E 1 socket type RJ45 8 pins
6. R REAR ENGA CRANAR RA ee ee eee a eee ne eee GHA 8 MONITORING OF TDMOE LINE STATUS secs cecasat sei 6 233 a CTA ne RANS NARA avetlcccctes eese cide ENEE A NEE 8 24 ND 126 1 34 2653 24 i WAN lt ee A E ee ve ee ee E E me ee ne eee 7 9 ETHERNET TORT SETTINGS 7262062235 605152900H22 5008 FA DAE GNR EC ARNEE S E ee ee NEGA eee 9 COMMON SETTINGS ees eh cess sehen ARE AR AS RAAR E E see 9 2 Te Sy E V ctw ec ene GI eases 2902222022 20 ie is ete re ses 2 E AE E EEE AN A V A 2000102 252002970 2 ROE emcee eke 9 SPAN CONFIGURATION IN ZAPTEL CONF ecccececccecccccccccccccccccccocccccccoccoccccoccoccoccccoccsccoccoccococcsccoccocuccucceceseues 10 ELF2 AE QUICK STAR Becca sis casa caste tones tata cea caavetia tee esven ceteatentuncesvag a a aaa 10 ELF 2248 X ZAPTEL STARTING PROCESS oscara E 604 dC St 000 CAS e eE CARE SS AES AA E AIE DR 0D CANE weed AAC R DRS 10 SEMPLE ZAPTEL CONE F IUE era ee even eran ene er ere een ee ey err reer 11 ELFZ2 AE amp ZAPTEL SHUTDOWN PROCESS v ssrg sesi b a20 2090 600000 E 604 S 6003049 CC CARED CA RAS ACC a O AE EANAN 11 TOUNO cc E 7202702027 1299200000722200 0227712200200220 20002 E21 100210 12 HOT PLUG SCENARIO s ssiircicocit csstsrraeiaticevestreshesottecsnenterrheesceseseovevratesocetineneaopheescuccsosetnretnsepdsencsntnebhecutdenteentvaske vedaa 12 ASTERISK CLUSTER SCENARIO c ccecccccccccccccccccccccoccoccoccococcoccoccoocoococcoccococcoccocccccococcsccecescuecoseuececaccsccoccsouess 13 ORDER C
7. agraph Timing to choose the correct values If unsure set this variable to non zero values You must have ztdummy ko module installed in kernel or physical zaptel hardware device installed and running for the proper working of the dynamic span subsystem ELF2 AE Quick start ELF2 AE amp Zaptel starting process To install ELF2 AE device you have to download build and install zaptel drivers ELF2 AE requires at least zaptel 1 4 To start system properly you must load modules in the following order Load zaptel core modprobe zaptel hitp parabel labs com Aw PARABEL Parabel Itd Load virtual zaptel device provides timing if no other hardware clock source driver you must load this module then you don t have real zaptel hardware installed modprobe ztdummy Load ztdynamic subsystem driver modprobe ztdynamic Load TDMoE driver modprobe ztd eth After loading of the modules apply the configuration from zaptel conf by executing ztcfg command Sample zaptel conf file Configuring external El interfaces TDMoE Set CCS mode on El set ELF2 AE MAC to 00 55 55 55 55 50 allow usage of this span as TDMoE subsystem timing source dynamic eth eth0 00 55 55 55 55 50 31 1 Using ALAW for timeslots 1 31 alaw 1 31 Configure timeslots to work in CCS mode bchan 1 15 dchan 16 bchan 17 31 Select corresponding tonezone loadzone us defaultzone us ELF2 AE amp Zaptel shutdown process To stop ztdynamic subsy
8. e You can also add new E1 spans to the server without the rebooting the system For this you need to add new line describing new device parameters to zaptel conf file and run ztcfg The procedure of the device replacement 1 New device is configured to use the same MAC address as an old one 2 Disconnect an old device from the asterisk server Asterisk server periodically sends TDMoE packets to the MAC address of an old device 3 Connect new ELF2 AE device 4 New ELF2 AE device acquires the first TDMoE packet recognizes server MAC address and starts own transmission 5 The process is finished http parabel labs com Aw PARABEL Parabel Itd Asterisk cluster scenario ELF2 AE device can be used for building reliable redundant asterisk clusters Using ELF2 AE it s possible to accomplish seamless transition from the active to the backup server The procedure of transition 1 The active server fails or is stopped and the transmission of TDMoE packets to ELF2 device is finished 2 Cluster software activates the backup server 3 The backup server with the same span parameters starts to send TDMoE packets to ELF2 AE device 4 ELF2 AE obtains the MAC address of the backup server and starts to send data to new address 5 The transition is finished Order codes ELF2 AE 1 El channel stand alone form factor ELF2 AE 4U 1 El channel rack mountable form factor Warranty Parabel Ltd provides exchange repair warranty for a period
9. e counters in the TDMoE status line SkipEr When the asterisk server exceeds the packets rate and overrun the device RX buffer ELF2 AE drops the packet and increment this counter SlipEr When the asterisk server delays the packet on the critical time ELF2 AE puts to the El timeslots the copy of the previous frame and increments this counter RxNuEr Every packet of TDMoE protocol has a sequential number field and this counter is incremented in case of presence of sequence violation in the input TDMoE stream Normally these counters should not be incremented or incremented once per dozens of minutes or longer periods due to the statistical nature of jitter on TDMoE line High counter increment rate is the consequence of the troubles on the Ethernet line or incorrect configuration http parabel labs com Aw PARABEL Parabel Itd E1 port settings Configuration E1 Line code select HDB3 or AMI line code Configuration E1 Clock source select Internal to use internal generator as a clock source for El framer or Line to synchronize with signal from line Configuration E1 CRC4 turn on or turn off CRC4 generation in the transmit direction Ethernet port settings Configuration Common MAC Choose to change EFL2 AE MAC address Configuration Common Full duplex Select On to switch on Full duplex mode Configuration Common Promiscuous Select On to set promiscuous mode on Ethernet port Common settings Configurat
10. ion Factory Load factory defaults Configuration Restore Load configuration settings saved in nonvolatile memory Configuration Save Save current configuration settings in nonvolatile memory E1 testing Test E1 x Lloop turn on internal loopback on the corresponding E1 port Figure El Tx Rx Figure 4 Lloop mode Test E1 x Rloop turn on remote loopback on the corresponding E1 port Figure http parabel labs com Aw PARABEL Parabel Itd Tx El Rx Figure 5 Rloop mode Test E1 TAOS send all ones on E1 port Test E1 Freq measure and print E1 carrier frequency relative to internal oscillator Span configuration in zaptel conf To configure zaptel to work with the ELF2 AE devices it s necessary to use dynamic span directive in zaptel conf file dynamic eth lt address gt lt numchans gt lt timing gt addres MAC addres of the corresponding ELF2 AE device connected to the asterisk server numchans dynamic span can contain variable number of timeslots For E1 link emulation it s necessary to set this parameter to 30 to work in CAS mode or to 31 to work in CCS mode on El timming Choose to use this span as source for the internal timing of the dynamic span subsystem choose 2 to make the it the second priority choice for the span subsystem clock source The number used for each port should be different Choose 0 to exclude this span from the timing source candidates list Please read the par
11. stem you have to act in a following order Execute ztcfg s to stop zaptel spans Remove zaptel modules from kernel rmmod ztd_eth rmmod ztdummy rmmod ztdynamic rmmod zaptel http parabel labs com Aw PARABEL Parabel Itd Timing Statements ELF2 AE starts packets transmission after receiving of the initial TDMoE packet from the Asterisk server The subsequent ELF2 AE packets are sent to the MAC address obtained from that initial packet To understand the timing of the dynamic spans subsystem lets assume that we have one ELF2 AE device connected to the Asterisk server and a timing variable for the corresponding span in zaptel conf is set to one After the power on or reset ELF2 AE doesn t send any data to the server After the start up of the dynamic span zaptel receive no data and put span in a RED ALARM state Since all the external sources of synchronization are invalid zaptel starts to use the internal ones ztdummy or zaptel hardware timer and initiate sending of packets to ELF2 device ELF2 discovers the first packet recognizes MAC address of the asterisk server and starts own transmission Zaptel receives the TDMoE packet from the ELF2 then puts the span in a normal state and starts to use the span as a source for the synchronization Hot plug scenario It s possible to hot plug the ELF2 AE device To replace the device you need to set the correct MAC address using the configuration menu and just connect the Ethernet cabl

User`s manual Release 1.0

Contents

Download Pdf Manuals

Related Search

Related Contents