background image

Huahuan 

                                 

Beijing Huahuan Electronics Co., Ltd.

 

TDMUX-16 User Manual   V1.2

                           

-

5-

 

occur.  

Various timing schemes are listed in Table 1.3-1, for applications depicted in 

Fig.1.3-2. 

 

Fig.1.4-2 Timing mode scheme reference diagram 

Table 1.4-1 Timing mode schemes 

Equipment A 

clock mode 

Equipment B 

clock mode 

A side 

EthMux V16

Timing mode

B side 

EthMux V16

Timing mode

Note 

master master 

loop back 

loop back 

Equipment A & B 

clocks synchronous 

adaptive adaptive 

master master adaptive 

adaptive 

Equipment A & B 

clocks plesiochronous 

master slave 

loop back 

adaptive 

 

adaptive adaptive 

slave master 

adaptive loop 

back 

 

adaptive adaptive 

 

slave slave   

 

Not 

allowed 

Note that setting both units to adaptive timing mode works well for all the conditions, 
although the other option may work better. 

2.

 

 

 System Architecture   

2.1 Block diagram 

The internal functional structure of H0FL-ETHMUX V16 is depicted below: 

 

Fig. 2.1-1   Functional diagram 

Содержание H0FL-ETHMUX V16

Страница 1: ...contents 1 H0FL ETHMUX V16 E1 over Ethernet Multiplexer User s Manual...

Страница 2: ...contents 2 H0FL ETHMUX V16 E1 over Ethernet Multiplexer User s Manual TABLE OF CONTENTS...

Страница 3: ...0 3 2 1 Power connection 10 3 2 2 E1 T1 connections 10 3 2 3 Ethernet optic fiber connection 11 4 TROUBLESHOOTING 12 4 1 E1 T1 ALARMS LED ON 12 4 2 LNK ACT LED OFF 12 4 3 READY LED DOES NOT BLINK 12 4...

Страница 4: ...contents 4 6 2 E1 INTERFACE 26 6 3 10 100 1000BASE TX PORT 27 6 4 POWER 27 6 5 OPERATING CONDITION 27 6 6 DIMENSIONS 27 6 7 WEIGHT 27...

Страница 5: ...ch is good for achieving higher bandwidth utilization But Ethernet technology does not provide adequate QoS for real time applications Until recently voice and data were and still are to a large exten...

Страница 6: ...ocessing delay for E1 T1 channels high bandwidth usage efficiency z Resist to packet loss with PCM frame synchronization protection z User definable encapsulation packet size for different application...

Страница 7: ...ely used application of H0FL ETHMUX V16 is to set up point to point wireless E1 T1 links using low cost wireless LAN bridges H0FL ETHMUX V16 can work with most LAN bridges on the market It may be nece...

Страница 8: ...d in most applications This timing mode of rebuilding the E1 clock at the destination is called Adaptive Timing For applications where separate clock distribution network exists another timing mode Lo...

Страница 9: ...Note master master loop back loop back Equipment A B clocks synchronous adaptive adaptive master master adaptive adaptive Equipment A B clocks plesiochronous master slave loop back adaptive adaptive a...

Страница 10: ...stream and recovering the E1 clock which is the key element of the device Very sophisticated algorithm is used to ensure that the reconstructed clock will meet the stringent requirement of TDM applic...

Страница 11: ...ion On connected with remote optical interface Off disconnected with remote optical interface Ethernet optical interface indicator OLOS R 1 Ethernet optical interface receiving status indication On re...

Страница 12: ...interface can not receive E1 T1 Blink Ethernet interface has packet loss Off Ethernet interface has E1 T1 packet loss Blink normal Only when the 2nd dip switch is set OFF this dip settings will be val...

Страница 13: ...port or anyone of GE electrical port could be used for NMS port GE electrical port adopts RJ45 socket RJ45 Ethernet socket is defined as Table 2 4 4 Ethernet optical port uses LC connector depending o...

Страница 14: ...standard power cord supplied with the equipment Note that there is a 1A fuse in the 220V socket which may be replaced when burned The 48V equipment uses PPTC resetable fuse no customer replacement is...

Страница 15: ...oop back Rx Tx can test E1 T1 connection cable and Tx Rx is used to test the whole circuit including H0FL ETHMUX V16 in the two endss and the link between them 3 2 3 Ethernet optic fiber connection H0...

Страница 16: ...Ds PKT LOS and LOS for E1 T1 alarms LEDs When E1 T1 LOS LED is on loss of E1 T1 signal fault is detected by EthMux Possible causes include z The downstream equipment such as telephone exchange or PCM...

Страница 17: ...ng Check if the default gateway IP is defined correctly Check if the local and remote IP is set correctly Check for any conflicts in IP or MAC addresses Make sure the transmission network has enough b...

Страница 18: ...version software version IP address subnet mask gateway address and MAC address IP address subnet mask and gateway address could be changed manually but hardware software version and MAC address only...

Страница 19: ...st definition as section 3 2 2 E1 T1 loopback setting only submit will valid but loopback settings will not be saved that is when reboot the equipment each channel of E1 T1 will under non loopback sta...

Страница 20: ...10 100 1000Mbps indicate current Ethernet port speed Duplex Duplex indicate current Ethernet work mode half full Mode Auto 1000M full 100M full 100M half 10M full 10M half 6 Ethernet ports work mode c...

Страница 21: ...ts Service No E1 T1 service No support at most 20 capital small letters digit and part special character input Chinese character support 2 numbers not support some special characters as input Enable E...

Страница 22: ...o Ltd Huahuan 18 TDMUX 16 User Manual V1 2 Fig 5 2 3 VLAN management interface 1 VLAN configuration Fig 5 2 4 VLAN management interface 2 Ethernet port configuration Fig 5 2 5 VLAN management interfac...

Страница 23: ...nfiguration Enable VLAN Yes with VLAN tag support the VLAN network with priority to guarantee E1 QoS default No no VLAN tag Priority Define users priority including 8 levels 0 7 the number is bigger t...

Страница 24: ...rwise E1 T1 VLAN VID and PRI will set as default port7 VID VLAN ID support 4096 VLAN ID range 0 4095 Priority Define customer priority including 8 PRI degree 0 7 PRI is higher when this number is bigg...

Страница 25: ...ut increase unnecessary bandwidth so here should set VLAN to Disable 4 In order to avoid the management failure caused by configuring VLAN it is not suggest to set VLAN tag for the managed VLAN member...

Страница 26: ...d as below picture Then default parameters already recovered we need to restart Web Server Fig 5 3 3 default parameters recovery 2 Click Reboot to restart equipment default parameters will be valid 5...

Страница 27: ...program file as figure 5 3 4 Note hardware program file name is H Patch software program file name is S patch can not be changed Fig 5 3 4 upgrade online 1 upload new program Step 2 select program ty...

Страница 28: ...ger time and it need cold boot after upgrading 1 Upgrade Web management software Fig 5 3 5 upgrade online 1 select a file to upgrade Fig 5 3 5 upgrade online 2 operate successfully 2 Upgrade applicati...

Страница 29: ...nfiguration loss Therefore users should treat it carefully Cold boot equipment new program will be valid Fig 5 3 9 upgrade online 4 select an hardware program file Click option Hardware it will pop ou...

Страница 30: ...mpedance E1 120 for twisted pair cables or 75 for coax The RJ45 E1 120 are default for ports End to end delay minimum delay setting 10ms Output frequency offset adaptive timing stabilized 5 ppm Output...

Страница 31: ...Half Full Duplex Adaptive Support 802 1Q MAC Uplink ports 1 1 backup supported Ethernet built in layer 2 switch function Support 802 1Q VLAN 802 1ad Q in Q 802 1p 6 4 Power AC 100V 260V 50Hz fuse 1A...

Отзывы: