TDMoIP-4E User`s Reference Manual
Contents
1. lt SW Working temperature 0 C 50 C Storage temperature 40 C 70 C Relative humidity 95 No causticity and solvent dust free and no strong magnetic interference 1 5 Dimensions 483mmx140mmx44mm 1 6 Packing Inside the box listed the following TDMoIP 4E 1 BNC connector 4 AC220V power wire when ordered AC220V 1 TDMoIP 4E Ca I Septo stro i RN Web http www sopto com Ee user s manual 1 TDMoIP 4E Septo sense it RN Web http www sopto com o e Chapter2 Configuration 2 1 The front panel LinkUp DATA2DATAI RLOP LLOP r ink Act O O O O O O O a o o e e ElALos ElBLos ElCLos EIDLos PWD PKTALos PKTBLosPKTCLosPKTDLos Chart 2 1 front panel 2 1 1 Buttons There are four buttons default is loose on the front panel they are as follows from left to right RLOP Remote El interface loop inner loop used to check the IP network connection of the local amp remote devices DD 003304 ON Chart 2 2 RLOP button function LLOP Local El interface loop inner loop used to check if the local device and El line is working normally TDMoIP 4E y ePto 1757777770 BEER RN Web http www sopto com 2 1 2 Indicators There are 16 indicators on the front panel indicating the working status of local device Show as table 2 1 Chart 2 1 indicator function Name Status Description Ethernet interface date transmitting or receiving2. 1p isn t have the actual mean and can add the transmission bandwidth spending which isn t need so set the parameter of TAG into NO Realize the every kind of parameter setting through follow section menu TDMoIP 4E fe Septo iion ER RE Web http www sopto com 24 command 5 2 2 Main menu QUIT BASIC CONFIG ADVANCED CONFIG SHOW CURRENT CONFIG SAVE CONFIG E1 LOOP SETTING Change between Chinese and English Read Current Running Parameter Read Current Saved In Flash Parameter ase Select 0 Select 0 quit from the setting menu Select 1 enter basic setting menu Select 2 enter hi grade setting menu Select 3 enter inquiry the current parameter settings value Select 4 save settings if quit before save the settings the amend value is not save Select 5 Ellooping settings Select 6 shift between Chinese English High grade setting is mainly to set frame head parameter about MAC address IP address type interface and so on these parameter is not always effect in any application for example when don t encapsulate IP nob IP address and UDP interface is inefficacy When open ARP protocol MAC address of the aim station is inefficacy The basic settings decide whether the hi grade settings are usage or not TDMoIP 4E Septo Shenzhen Sopto Technology Co Ltd i Web http www sopto com 25 5 2 3 Basic settings menu BACK USE IP SET USE YTAG USE ARP SET PACKET SIZE set TIMMIN
3. 2 2 timing mode set principle A side clock mode B side clock mode A side TDMoIP timing mode B side TDMoIP timing mode Remark Master clock Master clock Loop timing Loop timing A B sides clock from the same synchro network Master clock Master clock Through Through A B sides clock are timing timing independent of each other Master clock Slave clock Loop timing Through timing Slave clock Master clock Through Loop timing timing Slave clock Slave clock Not allowed TDMoIP 4E a A I RR Web http www sopto com 14 Chapter3 Trouble shooting The follows describe the Common trouble shootings when usage please contact with us if meet other questions 3 1 PWR OFF Please check the power supply 3 2 E1 n LOS ON EI n LOS ON indicates the input signal of local El port lose Please follow the steps below for trouble shooting first check whether the other end El terminal device such as PCM power off second check whether the connection cable and El connectors are credibility For example El line turn off this case can arose input signal lost 3 3 Lnk Act OFF Lnk Act OFF indicates that 10 100Base Tx interface not connecting correctly Check whether the network turn off output wire of the interface is correct and the computer or other network devices which connected with Lnk Act work normally 3 4 PKT n LOS ON PKT
4. 29 5 3 EXAMPLE OF THE PARAMETER UNDER NORMAL CONDITION oococccccccoconcncncnononononnnnnnnananannnnnnnn 29 Email info sopto com Tel 0086 755 36946669 Fax 0086 755 26053449 Add Building 1 Enerav Industrial Zone Qianhai Road Nanshan Shenzhen China Ta f Gepto vom P RN Web http www sopto com Email info sopto com Tel 0086 755 36946669 Fax 0086 755 26053449 Add Building 1 Enerav Industrial Zone Qianhai Road Nanshan Shenzhen China a A I RR Web http www sopto com ET Chapter General Information 1 1 Introduction TDMoIP 4E is mainly used to transmit voice signal over IP network It has 1 4 El interface 2 local Ethernet port and 1 uplink Ethernet port TDMoIP 4E can connect TDM device and user s Ethernet seamlessly and reliably on the standard low cost wireless or lineate Ethernet IP configuration without affecting the voice quantity Being transparent to the TDM signal this model assures connecting to physical El interface of any device seamlessly such as PBX mobile base station SS7 signaling device and voice mail system It can be used in the communication system based on El such as LAN WAN MAN and wireless network Providing emulation EI channel through Ethernet the difficulty is rebuilding timing information of El code stream effectively at the exit of network The special disadvantages of Ethernet itself such as random packet delay without effective timing transmit mech
5. ACKING i 000 loa dd 4 CHAPTER2 CONFIGURATION wissssisscossssssssseessesscuvssessscosssonscesscsesscsseccssvsccoseccussssvecsessssccsossbessseseieeses 6 2 1 THE FRONT PANED EE 6 2I T BUON S ee Eed 6 KEE 7 2 2 REAR PANED E 8 2 2 TJ ROWErSUDD aut ed ii oasis 8 EE 8 2 2 3 Ethernet interface LAN PORT 9 2 2 4 Consol network interface RS232 cesses nennen nc cnn n ron cnn nente entente 10 2 3 CLOCK MODE ea Bee Ee EE EE DEA Sh ea ees 10 CHAPTER3 TROUBLE SHOOTING oui ccsssssccssssrcccsssccssssccccsssscccesscccsscsscccessscceesssescessecscessnees 14 BPW ROBB EE 14 32 ETL N LOS ON aia 14 3 3 ENK ACT A E 14 JAPKT NLOS ON 14 3 5 TWO SIDES El TERMINAL DEVICE BIT SLIP SERIOUS oocococccoonnoooncconnnononccononono nono nennen 15 CHAPTER4 APPLICATION 16 CHAPTERS NETWORK MANAGEMENT OPERATION oooccncccccononnnccoronoononnoncononnoncoronocnononccnonnos 18 5 1 HYPER TERMINAL S ATTRIBUTE SETITING anna 18 5 2 COMMAND SETTING ccscccsssecssscssscecssecsseeecsseceececsaeceeeecsaeceseeecsaecsseeecsaecsseeeesaeeseeeesaecseeeeesaeens 18 3 2 I Pardmeter definition etd rite eode ac 18 2 2 2 Main MEU ei estet boe indebite i en edidit a io iibris 24 2 2 3 BASIC Settings menu sco d E UO IEEE OU e REPE ER este AS 25 5 2 4 High grade setting men 26 5 2 3 Inquiry setting MERU nn EE ii 27 KEE 28 INIA 28 5 2 8 Shift between Chinese English cease esee sees eee nennen enne nennen nennen
6. DMoIP MY El Interface El Interface aset Riet Mater AAA Through Timing Loop Timing Chart 2 8 timing mode It is very important for service quality assurance to select suitable clock mode In practical applications usually the TDMoIP device connected to the device that uses master clock such as switch should be set to loop timing mode And the device connected to the device that uses slave clock should be set to through timing mode When two side of devices both use synchronization master clock for example the connection of switchers that have independence clock distribute net two side TDMoIP devices should work in loop timing mode If two side devices use asynchronous master clock then the TDMoIP devices should be set to through timing mode or there will be bit slip Note it is usual mistake to let two device connected each other at two end such as PCM terminal devices both work in slave clock Usually transmitting device include TDMoIP do not support this connection mode When start up the locking of clock needs a long time usually a few TDMoIP 4E Septo Shenzhen Sopto Technology Co Ltd Web http www sopto com 13 minutes It is normal if arose few bit slip or error codes during this time When connecting as Chart 2 9 the selection of timing mode is shown as table 2 2 A Side TDMoIP B Side PCM Device PCH Device i meto Device Device E mefxe Chart 2 9 device interconnection Table
7. G SET JITTER BUFFER SET UP LINK BANDWIDTH SET ase select 0 Every parameter setting of basic setting menu is as chart5 1 below Chart 5 1 every parameter select value and the meaning option number parameter illumination value First encapsulate date into UDP IP date 1 packet then encapsulate it into Ethernet 1 Use IP protocol framing date area encapsulate E1 date into Ethernet framing 0 date area directly before Ethernet framing type have VLAN 4 label 2 Use VLAN before Ethernet framing type have not VLAN 0 labels 1 Obtain aim station MAC ground 3 Use ARP protocol Don t use ARP protocol appoint aim station 0 directly 64 2048can random set note for changer Ethernet packet 4 64 2048 router have request to the packer length not size too long small than 1518 at best TDMoIP 4E Fa 1 Septo zunn P RE i Web http www sopto com 26 Through timing resume E1 clock from Ethernet code stream 5 Clock mode Loop timing clock output E1 is the clock distill from local input E1 signal directly Can random set used to absorb periodic line Elasticity buffer packet jitter N 4 64 The bigger of the 6 4 64 depth buffer the bigger of the absorb packet jitter but the delay time is longer The smallest value of the full duplex provide Uplink Ethernet by uplink Ethernet transmission channel 7 1 99 bandwidth when the actual bandw
8. Link Act OFF No data transmission 100M SPD OFF 10M A channel El signal lost El Alos OFF A channel El signal normal B channel El signal lost ElBlos B channel El signal normal C channel El signal lost E1Clos C channel El signal normal D channel El signal lost ElDlos OFF D channel El signal normal A channel does not receive virtual Ethernet packet PKTALos OFF A channel reception normal B channel not receive virtual Ethernet packet PKTBLos OFF B channel reception normal C channel does not receive virtual Ethernet packet PKTCLos OFF C channel reception normal TDMoIP 4E Fa 1 A i RN Web http www sopto com 8 D channel not receive virtual Ethernet packet PKTDLos OFF D channel reception normal Power on PWR OFF Power off OTHER Stand by 2 2 Rear panel EI D EI C El B El A FER 7 e UpLimk DATAI DATA2 Consol OOOO El D El C El B El A wwww wwww OOO IN I IN IN N 120 Q Chart 2 4 rear panel 2 2 1 Power supply Support AC220V DC 48V DC 24V for optional when order AC220V insert AC220V power supply DC 48V DC 24V without distinguish positive or negative pole there is auto detection circuit inner DC 5V connect to the power adapter 2 2 2 El interface This model provides two impendence types 75Q and120Q no need TDMoIP 4E Septo werner FT RN 9 setting but can t use them at the same time 75Q the physical inter
9. anism transmission error or collision that brings on packet lose must be conquered Our company resolves the difficulties above faultlessly through availing ourselves of technical advantage and adapting advanced clock disposal technology TDMoIP 4E encapsulates the date of El code stream to the packet and transmits it to the remote device through Ethernet This model TDMoIP 4E Sopto vom FE RE 2 has two method of encapsulation for optional Ethernet encapsulation simplicity and UDP IP protocol encapsulation The former is suit for the connection of the same Ethernet subnet because it has high encapsulation efficient especially suited to the occasion of bandwidth intensity such as interconnection based on the wireless network bridge But it can t span router The latter is suit for the inner net connection of IP net with the advantage of making use of router or 3 layer switch But the disadvantage is that the addition IP header needs extra bandwidth When adapting 128B encapsulation each El channel will take up 500kbps more than Ethernet encapsulation simplicity with lower transmission efficiency User can select different encapsulation type based on practical usage occasions 1 2 Characteristics lt Transmit framing non framing and complex framing El N 64K signal Transparently confirming to ITU G 703 High transmit efficiency low transmit delay Provide 1 4 El channels and 2 10 100Base TX downlink ports with universal RJ45 Et
10. e of the uplink it can arose some questions such as mistake code So we set the parameter of uplink limit bandwidth to fit the actual periodic line bandwidth limitation When the setting value of uplink bigger than the actual E1 input rate the dispatch is the local Ethernet rate The setting value of uplink smaller then the actual El input rate Ethernet input rate is 0 For example transmission periodic line can provide 6M bidirectional bandwidth if use TDMoIP 4E Sepnto zone BEER RE 22 two channel El then the local Ethernet uplink setting value should smaller than 6M If bigger than 6M then the actual transmission rate of uplink may bigger than the bandwidth of transmission periodic line this may arose some question such as mistake code In addition the Ethernet bandwidth is giver as the halt duplex for example 10M half duplex Ethernet channel is the same as 5M full duplex 2 El bandwidth self adapt based on whether El inset or not only El end signal don t lost system can distribute bandwidth to it When El interface is free system will release bandwidth automatism this be used to local Ethernet inset 3 The El signal channel of TDMoIP can works at through timing and loop timing as chart2 8 Default work state should be through timing note timing mode apply two EI interface at the same time when at the through timing state two channel El adapt themselves resume clock coming from the remote signal separately w
11. eam control none After connecting pc and TDMoIP successfully press enter operate as the clew below 5 2 Command setting 5 2 1 Parameter definition The parameters of TDMoIP that can be set by user are as table 5 1 Table5 1 TDMoIP parameter table Parameter Abstract illumination prohibit directly set the aim station MAC address Whether use ARP protocol through monitor TDMoIP 4E a Septo sense P RR Web http www sopto com 19 prohibit obtain the aim station MAC address through ARP protocol Whether encapsulation IP nameplate yes adopt IP encapsulation the IP of fountain and aim address need setting can through router bandwidth efficient is low a little no not adopt IP encapsulation bandwidth efficient is high can not through router Whether encapsulation VLAN mark yes add four bit before Ethernet framing style bit the first two bit is VLAN 0x8100 the latter two bit is high parameter VLAN ID suit for the net transmit of support VLAN priority assured QoS of El no no VLAN label suit for the net transmit of not support VLAN priority Eldate packet length Clock setting mode Every Ethernet packet encapsulation El date can set the bit random among 64 2048 the longer of the packet the more El date the little spending scale bandwidth bit the higher efficient but the bigger delay time Vice versa Note for the exchange and router have co
12. face is BNC connector RX as input TX as output 120Q the physical interface is RJ45 port Pin definition is as chart 2 5 159 1200 El interface Qa 1 TX Elsend 2 TX Elsend 4 RX El receiver 5 RX El receiver pin12345678 367 8 NC TX RX Chart 2 5 interface pin define 2 2 3 Ethernet interface LAN PORT There are 2 DATA ports and 1 uplink port on the rear panel supporting auto MDIX Connection is as chart 2 6 Chart 2 6 LAN interface pin definition and the making method TDMoIP 4E Fa A it ERN Web http www sopto com s 10 Network Card or HUB or Converter RJ45 Interface a Sg MDI MDIX 12345678 a EI To Node To Hu 12345678 1 MDIX Converter RJ45 Interface NOTE When the line of LAN interface is too long make sure to make the bipod of receiver signal connect to the same pair of twisted the bipod of transmitter connects to the same pair of twisted 2 2 4 Consol network interface RS232 Pin definition console port is as chart 2 7 Console 5 GND consol ground 7 RX consol receiver 8 TX consol transmitter pinl2345678 1 23 4 6 NC 2 7 network interface pin definition and making method 2 3 clock mode As El signal transparent transmission device TDMoIP not only TDMoIP 4E Septo zone FEH RE 11 transmit the El data stream to the receiver but also rebuild the timing information of EI signal from the transmitter verily o
13. fe Ge pio mmm P RE Web http www sopto com TDMoIP 4E User s Reference Manual Ver 1 2 Modify Date 2008 2 27 Email info sopto com Tel 0086 755 36946669 Fax 0086 755 26053449 Add Building 1 Enerav Industrial Zone Qianhai Road Nanshan Shenzhen China e I epto nion oso l RE i Web http www sopto com To Users Thank you for using our products Before using please read this Reference Manual carefully and keep properly A Alarm 1 This product can not be caught in or be affected with damp for they can make the performance degressive and even broken 2 Before fixing this product please check the model and according to the User s Reference Manual Email info sopto com Tel 0086 755 36946669 Fax 0086 755 26053449 Add Building 1 Enerav Industrial Zone Qianhai Road Nanshan Shenzhen China fe Septo mmm ERIT RE i Web http www sopto com Contents CHAPTER1 GENERAL INFORMATION eee ee ee ee ee eo en eee eo nose etn sese ense seen ases ee so see eo eee ee snae eS 1 1 1 INTRODUCTION cccooococoncconnnononcconnnonnnconnnonononnnnnnnnnnnon nro nr nnnnnnnn nn non RnrnN nn nn nnnnnnnnnn rene rra nr stesse essees resete 1 1 2 CHARACTERISTICS PP 2 1 3 PARAMETER AND INDEX did das 3 1 4 WORKING CONDITION oocoooocccoonoonncconnnononcconnnonnncnnnnnononnnnnnnonn nn cnn nono nro nn nono nn nn nnnnnn rra nn reno nn serene innen 4 ES DIMENSIONS torre EEN 4 VG P
14. hen at the looping timing state two channel El adapt themselves distill clock coming from local interface input signal 4 Every end device moving at the Ethernet need one MAC address which are alone stable 12 bit hexadecimal numeral indicator such as 80 80 80 80 80 80 can realize the communication with other device The TDMoIP 4E Septo 1177s D RN 23 Ethernet uplink of TDMOoIP device has a MAC address also namely MAC addresses and users set it themselves When don t adapt APR protocol in order to realize dual communication every end TDMoIP set MAN address of remote device namely remote address When both local MAC address are the remote address of the opposite two end devices can communication Adapt ARP protocol MAC of opposite device or default gateway device automatic obtain through negotiation don t need to set remote MAC address specially but need to set IP address of both end Note All device s MAC address of Ethernet broadcast field must alone or else arose address collision 5 In order to enhance transmission service quality of El date according to Ethernet providing transmission whether provide TEEE802 1Q and 802 1p standard can set TDMoIP if add VLAN tag packet prior grade when packing according to this standard Standard packet according to 802 1Q 802 1p envelop spending big a little every Ethernet packet add 4bit but can transmit as the senior prior grade But for the standard net not support 802
15. hernet interface 10M 100M auto adapt lt gt The length of Ethernet packet can be set supporting long packet lt gt User can select IP protocol encapsulation or simplicity Ethernet type TDMoIP 4E fe Septo uices P RE Web http www sopto com 3 lt gt Support VLAN setting Point to point or point to multi points connections satisfying different applications High efficiency transmission up to 90 bandwidth utility ratio Support two type interfaces 75Q and 120Q unneed setting 10 100M Ethernet full half duplex auto adapt support auto MDIX When selecting network adaptation clock it can resume the original clock accurately through TDM clock resumption mechanism stable clock little jitter and small excursion conforming to ITU T clock jitter and excursion standard 1 3 Parameter and index 1 El interface Standard conform to G 703 standard Code rate 2 048 Mbit s 50ppm Code type HDB3 Impendence 75Q unbalance 1200 balance Connector BNC unbalance RJA5 balance Jitter tolerance conform to G742 and G 823 2 10 100Base T port TDMoIP 4E Septo Shenzhen Sopto Technology Co Ltd ooo B Web http www sopto com ode Rate 10 100M full half duplex auto adapt Protocol support IEEE 802 3 IEEE 802 1Q VLAN MAC address table 1024 MAC addresses Physical connector RJ45 support AUTO MDIX 1 4 Working condition Voltage AC180V 260V DC 48V DC 24V Power Consumption
16. http www sopto com 30 Subnet mast set 255 255 0 0 255 255 0 0 Gateway IP set 192 168 1 101 192 168 1 101 ETH frame type set 0505 0505 VLAN TAG set 0002 0002 UDP port set 1010 1010 Note Before checking the parameters you d best read current running parameter at first TDMoIP 4E
17. idth is lower than the value E1 transmission is abnormal 5 2 4 High grade setting menu BACK LOCAL MAC SET REMOTE MAC SET LOCAL IP SET REMOTE IP SET SUBNET MASK SET GATEWAY IP SET ETH FRAME TYPE SET VLAN TAG SET UDP PORT SET ase select 0 Every parameter setting of hi grade setting menu is as chart5 2 below Chart 5 2 hi grade parameter select table parameter illumination Local MAC address Local MAC address 6 bits hexadecimal input as the TDMoIP 4E a Septo sense I RR Web http www sopto com 27 separator code between the bits Remote MAC destination station MAC address 6 bits hexadecimal input address as the separator code between the bits when prohibit use ARP protocol this address as the aim address of Ethernet framing When use ARP protocol this address obtain automatically Local IP address Source station IP address namely local IP address 4 bits point hexadecimal input use when application ARP protocol or encapsulation IP nameplate Remote IP address IP destination station IP address 4 bits point hexadecimal input use when application ARP protocol or encapsulation IP nameplate Subnet mask Subnet mask used to judge whether the source station and destination station are in the same subnet or not gateway Ethernet frame IP default gateway in application of IP if the source station and dest
18. ination station are not in the same subnet the Ethernet framing of source station send to gateway then gateway send it to the destination station Custom Ethernet type non IP application Ethernet framing mode mode is the custom type It needn t to set except collide with the other device of the net VLAN TAG when apply VLAN VLAN value UDP port When apply IP destination port value of UDP date nameplate It needn t to set except collide with the other device of the net 5 2 5 Inquiry setting menu Select 3 on the main menu to show current setting screen will TDMoIP 4E Septo zzi i RN show the current settings value of all parameter and quit to the main menu to remand or save the current setting 1 USE IP VLAN ARP TIMMING 1 0 1 0 2 PACKET SIZE JITTER BUFFER UP LINK BRNDWIDTH DEC 1024 32 099 3 LOCAL y DEC 00 00 00 B1 B2 B3 192 168 1 209 amp REMOTE MAC HEX IP DEC 00 00 00 A1 A2 A3 192 168 1 210 o SUBNET MASK GATEWAY IP DEC 299 299 0 0 192 168 1 101 6 ETH FRAME TYPE YLAN TAG UDP PORT HEX 0505 0002 1010 BACK Please select _ 5 2 6 Loop setting menu BACK LOCAL E1 LOOP REMOT E1 LOOP CANCEL REMOT E1 LOOP REMOT E1 LOOP CANCEL ase select 01 _ p Input select as the clew don t save the setting value El of local and remote are not loop on the default condition when need to test El of local and remote should be on the state of loop after tes
19. mmand to the packet length so not too long not more then1518 Through timing El timing comes from remote input El code stream loop timing El timing comes from local input El code stream Upload limit bandwidth Jitter absorb buffer Set upload Ethernet interface full duplex total bandwidth in order to work normal the actual transmission periodic line bandwidth must higher than the setting value Leave factor value is99Mbps When use with the periodic line of bigger packet TDMoIP 4E a A i RR Web http www sopto com 20 jitter used to buffer receiver end come packet can eliminate packet jitter arose by middle periodic line value range 1 64 Local MAC address Ethernet MAC address of this device Leave factor value 00 00 00 A1 A2 A3 Default remote MAC address Ethernet MAC address of remote device valid when not using ARP protocol Local IP address IP address of this device Leave factor value 192 168 1 209 Remote IP address IP address of remote device Leave factor value 192 168 1 210 subnet mask default gateway IP address Used to verdict whether the source and aim are in the same subnet let source with aim IP address and subnet mask digitize logic multiply the same result indicate that source and aim are in the same subnet otherwise the oppose need default gateway router Leave factor value 255 255 0 0 When the source and aim are
20. n Los ON indicates that local El does not receive Ethernet TDMoIP 4E Septo zone FEH RE 15 packet and two end devices can t communicate with each other Please follow the below steps for trouble shooting first check whether two end devices are in the same Ethernet broadcasting area check if set the two end s dualization relationship of MAC address correctly or adopting ARP protocol second check whether the MAC address is exclusive including other network devices check the Ethernet using ping command third check whether bandwidth is sufficient If two end devices are in different Ethernet segment then check the default gateway IP address both sides IP address and subnet mask IP address are set correctly Check if adopting ARP protocol if there is collision of MAC address or IP address Check if the bandwidth is sufficient 3 5 Two sides El terminal device bit slip serious Check if two sides El terminal devices that connected to TDMoIP are working in slave clock mode At least one side device should work in master clock mode Check the timing mode setting of TDMoIP If two sides El devices don t under synchronization status TDMoIP s timing mode should be in through timing mode but not in loop timing mode Note In the first few minutes after power on it is normal existing bit slip TDMoIP 4E Septo 77 77 05 ERE RE 16 Chapter4 Application TDMoIP 4E can build 1 4 transparent El channels on Etherne
21. n the receiver with high quality Usually between the E1 signal of bidirectional transmission not always have synchronization relationship In other words although having the same nominal rate 2048kbps the signals transmitting in the same El channel could have about 100ppm frequency difference In this condition the receiver must rebuild timing based on the EI code stream transmitted from the remote end this is defined as thorough timing mode This model that our company produced adapts advanced timing resume technology the jitter of deferent clock of E1 is small and the frequency stability is high as well So it can meet most of applications For the transmission of date packet through Ethernet or IP has large random though the timing rebuilding can resume high stability and low jitter clock long time excursion is large This will not influence receiver device s normal work which adapt hypotaxis timing mode but for some application such as adapting switch that using inner clock it may arose framing storage overflow at the input end which will bring on frame slip So TDMoIP provides another timing mode receiver loop timing mode for optional In this mode TDMoIP rebuilding El output code stream based on the clock distilling from El input signal absorbing the excursion from network transmission completely by its inner storage TDMoIP 4E a A I RR Web http www sopto com 12 Chart 2 8 shows the two timing modes T
22. not in the same subnet need to set gateway IP address gateway address and source device are in the same subnet Seek address through ARP protocol Leave factor value 192 168 1 101 When the source and aim are in the same subnet needn t to encapsulate IP nameplate Ethernet frame Custom MAC frame type style bit source and aim custom must be the same NOTE this type don t collide with the other defined type in the net Leave factor value 0x0505 VLAN TAG control In order to meet some QoS can set VLAN mark TDMoIP 4E Septo zo FT RN 221 information When use with VLAN there are four bit VLAN mark on the front of the original Ethernet frame type bit the first two is VLAN type bit 0x0002 the latter two is VLAN TAG control information can define by the user please read VLAN manual When Encapsulate IP nameplate first encapsulate El date to UDP date packet then add IP nameplate set UDP application interface base on practical need in order to receive correctly the setting UDP interface UDP port of the local and remote must the same not colliding with other appliance have exist Leave factor value 1010 Note 1 The illuminate of the uplink limit bandwidth For the bandwidth limit of the actual transmission of periodic line the actual output rate of uplink should be match with it It means that if the transmission periodic line bandwidth is smaller than the actual output rat
23. t or IP network used to provide real time service of voice and so on shown as chart 4 1 ei ei A Tides emit Uplink Uplink Mii rie im in a E Local Bet Local Ethernet PCM PCM Interface Interface Switch Switch Chart4 1 model network application In the above chart TDMoIP send 1 4 channel El signal through Ethernet wireless bridge connecting PBX and network devices and other El terminal devices The two switches located at different areas realize connecting through TDMoIP device s Ethernet interface The QoS mechanism of TDMoIP assures El signal prior transmit The typical application of this model is providing El channel through wireless bridge It can connected with wireless bridge of most factories The transmission bandwidth of many wireless bridge sold at the market are change with the TDMoIP 4E Septo noo P RN 17 Ethernet packet length at present some bridge induct large packet delay jitter When use with different bridge may need to adjust El envelopment length and the index of jitter absorb buffer so that to obtain the best transmission result TDMoIP 4E a Septo sense FT RR Web http www sopto com 18 Chapter5 Network management operation TDMoIP can be set through PC hyper terminal using console 5 1 Hyper terminal s attribute setting Set the hyper terminal as the following protocol Baud rate 9600 Date bit 8 Even odd check no Stop bit 1 Date str
24. ting cancel loop at best 5 2 7 Save settings menu Select 4 on the main menu to save the settings any parameter modification through monitor interface save to the flash through save parameter command it will call the modification parameter automatically when nest boot strap TDMoIP 4E e Septo Shenzhen Sopto Technology Co Ltd Web http www sopto com 29 5 2 8 Shift between Chinese English Select 6 on the main menu to shift between Chinese English shift to English menu when in the Chinese menu state currently shift to Chinese menu when in the English menu currently It will save the current Chinese English state automatically when shifting E eren een en en qa en en deen een 0 1 2 3 4 9 6 7 8 Ser wel EK N 4 gt SES et a Et AA c fai FE DELLE Da i a ERA EI ii Su RC ma 5 3 Example of the parameter under normal condition Parameters Local configures Remote configures Use 1P set 1 used 1 used Use VLAN set 0 unused 0 unused Use ARPset 1 used 1 used Timing set 0 through 0 through Package size set 1024 1024 Jitter buffer set 32 32 Uplink bandwidth set 99 99 Local MAC set 00 00 00 Al A2 A3 00 00 00 Bl B2 B3 Local IP set 192 168 1 209 192 168 1 210 Remote MAC set 00 00 00 Bl B2 B3 00 00 00 Al A2 A3 Remote IP set 192 168 1 210 192 168 1 209 TDMoIP 4E Ca Septo seers P RE Web
Download Pdf Manuals
Related Search