Cisco 1-port RJ-48 multiflex trunk (E1 G.703)
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1. 1 or 2 these cards can be used o VWIC2 1MFT T1 E1 o VWIC2 2MFT T1 E1 e NM 2W NM 1FE1R2W NM 1FE2W V2 NM 2FE2W V2 for VWIC option choose 0 1 or 2 these cards can be used o VWIC2 1MFT T1 E1 o VWIC2 2MFT T1 E1 o VWIC2 1MFT G703 o VWIC2 2MFT G703 Note For this feature to work properly the network modules listed here must be installed in one of the following platforms Cisco 2600XM Cisco 2691 Cisco 2800 series Cisco 3662 telco models Cisco 3700 series and Cisco 3800 series Conventions For more information on document conventions see the Cisco Technical Tips Conventions Background Information Key Features The second generation 1 and 2 port T1 E1 multiflex trunk voice WAN interface cards have the following key features e Full support for T1 Facility Data Link FDL Controller local loopbacks Controller remote loopbacks e RFC 1406 and integrated CSU DSU MIB e MIB and Simple Network Management Protocol SNMP management Firmware to support T1 and E1 Layer 1 homologation User initiated VWIC reset and field programmable gate array FPGA download Voice support includes DSO group and PRI group configuration The following list shows the names and descriptions of the modules with second generation 1 and 2 port T1 E1 multiflex trunk voice WAN interface cards e VWIC2 1MFT T1 E1 1 port RJ 48 multiflex voice WAN trunk T1 E1 e VWIC2 2MFT T1 E1 2 port RJ 48 multiflex voice WAN trunk T1 E1 file Cl paws2. 65322 tdmfxwic html 3 of 8 1 9 2006 4 31 12 AM file Cl paws 65322 tdmfxwic html e VWIC2 1MFT G703 1 port RJ 48 multiflex trunk E1 G 703 e VWIC2 2MFT G703 2 port RJ 48 multiflex trunk E1 G 703 Note These baseboards can also provide hardware echo cancellation if there is a daughter card EC MFT 32 or EC MFT 64 mounted on the baseboard For more information refer to the Voice Port Configuration Guide on Cisco com Note Although unstructured G 703 operation is particular to E1 operation the VWIC2 1 2MFT G703 cards also support structured T1 operation Integrated Drop and Insert Capability The drop and insert feature enables the removal of DSO time slots from one E1 interface and insertion into time slots of the other E1 interface This feature is available in VWIC applications If you configure drop and insert be sure that the E1 framing under the controllers involved the tdm groups configuration location is the same If you use different frame types the signaling bits may not be read properly This failure occurs during the drop of a channel from one controller and insertion into a channel from another controller Drop and insert time slots do not need to be contiguous Configure In this section you are presented with the information to configure the features described in this document Note To find additional information on the commands used in this document use the Command Lookup Tool registered customers
3. caltime show timezone log datetime msec localtime show timezone service password encryption hostname vnt 2620XM 55a boot start marker boot end marker card type tl 0 0 logging buffered 64000 debugging enable password 7 095B59 no aaa new model resource policy clock timezone EST 9 clock summer time EDT recurring no network clock participate slot 1 network clock participate wic 0 network clock select 1 T1 0 0 voice card 0 dspfarm no local bypass voice card 1 no dspfarm ip subnet zero ip cef no ip domain lookup ip host redclay 172 18 108 26 controller T1 0 0 framing esf linecode b8zs dsO group 0 timeslots 1 24 type fxo ground start controller T1 0 1 framing sf linecode ami file Cl paws 65322 tdmfxwic html 6 of 8 1 9 2006 4 31 12 AM file Cl paws 65322 tdmfxwic html controller T1 1 0 framing esf linecode b8zs dsO group 0 timeslots 1 typ amp m immediat n Car dsO group 1 timeslots 2 typ amp m immediat interface FastEthernet0 0 ip address 14 80 55 38 255 255 255 0 duplex auto speed auto ip default gateway 14 80 55 1 ip classless ip route 0 0 0 0 0 0 0 0 FastEthernet0 0 ip http server connect TieA voice port 1 1 0 T1 1 0 0 l connect TieB voice port 1 1 1 T1 1 0 1 control plane vo
4. file Cl paws 65322 tdmfxwic html Contents Introduction Prerequisites Requirements Components Used Conventions Background Information Key Features Integrated Drop and Insert Capability Configure Network Diagram Configurations Verify Troubleshooting Related Information Introduction This document provides a sample configuration for the second generation 1 and 2 port T1 E1 multiflex trunk MFT voice WAN interface cards multiflex VWICs which support data and voice applications in Cisco multiservice routers The multiflex VWIC combines WAN interface card WIC and voice interface card VIC functionality to provide the following improvements Support for both T1 and E1 T1 E1 MFT VWIC2 cards provide additional flexibility in configuring the MFT VWIC2 cards by supporting T1 fractional T1 E1 and fractional E1 for both voice and WAN applications Drop and insert capability on all versions All MFT VWIC2 modules now include the drop and insert multiplexing capability which eliminates external third party CSU DSUs and drop and insert multiplexers Enhanced clocking capabilities The 2 port MFT VWIC2s can enable each port to be clocked from independent clock sources for data applications This independent clocking capability is not supported for voice applications and not supported with the AIM ATM VOICE 30 module Dedicated echo cancellation option MFT VWIC2s have an onboard slot for a multiflex trunk ded
5. icated echo cancellation module EC MFT 32 and EC MFT 64 offering an enhanced echo cancellation capability for demanding network conditions For more information about this feature refer to the Configuring Hardware Echo Cancellation chapter in the Voice Port Configuration Guide Prerequisites Requirements file Cl paws 65322 tdmfxwic html 1 of 8 1 9 2006 4 31 12 AM file Cl paws 65322 tdmfxwic html Before attempting this configuration please ensure that you meet the following prerequisites e Cisco IOS Image To run these features on T1 E1 interfaces you must install an IP Plus or IP Voice image minimum of Cisco IOS Release 12 3 14 T or a later release e VWIC Support The multiflex VWIC cards are supported on Cisco 2600XM series Cisco 2691 Cisco 2800 series Cisco 3700 series and Cisco 3800 series routers when installed on the network modules listed in Components Used The multiflex VWIC cards can also be installed in any VIC slot on the router e Independent Clocking Mode The independent clocking mode is supported only on these modules o VWIC2 1MFT G703 o VWIC2 2MFT G703 o VWIC2 2MFT T1 E1 o VWIC2 1MFT T1 E1 To enable independent clocking mode use the keyword independent in the clock source command The independent keyword expands on the clock source internal and clock source line commands to specify that the port can operate on an independent clocking domain Prior to the addition of the independen
6. ice port 1 0 0 voice port 1 0 1 voice port 1 1 70 signal immediate voice port 1 1 1 signal immediate dial peer cor custom l line con 0 exec timeout 0 0 line aux 0 line vty 0 4 exec timeout 0 0 password 7 131200 login file Cl paws 65322 tdmfxwic html 7 of 8 1 9 2006 4 31 12 AM n Car file Cl paws 65322 tdmfxwic html ntp clock period 17180246 ntp server 172 18 106 15 end Verify There is currently no verification procedure available for this configuration Troubleshooting There is currently no specific troubleshooting information available for this configuration Related Information e RFC 1406 Definitions of Managed Objects for the DS1 and E1 Interface Types e ITU T G 168 Digital Network Echo Cancellers e Network Module Hardware e Cisco IOS Voice Command Reference Release 12 3 T e Cisco IOS Voice Port Configuration Guide Release 12 3 T file Cl paws 65322 tdmfxwic html 8 of 8 1 9 2006 4 31 12 AM
7. only Network Diagram This document uses the network setup shown in the diagram below Cisco CallManager Cisco 3 25 i MA RO2 1MET T HE1 with 32 channel HWECAM NMO JESN with ir me power ad E Applications sere a K j as file Cl paws 65322 tdmfxwic html 4 of 8 1 9 2006 4 31 12 AM file Cl paws 65322 tdmfxwic html Configurations This document uses the configurations shown below e This example shows a T1 controller configured for data and drop and insert capability Router show run Building configuration version 12 4 card type tl 0 0 l no network clock participate wic 0 ip subnet zero ip cef no ip dhcp use vrf connected controller t1 0 0 framing esf linecode b8zs channel group 1 timeslots 1 12 speed 64 tdm group 2 timeslots 13 24 l controller t1 0 1 framing esf linecode b8zs channel group 1 timeslots 1 12 speed 64 tdm group 2 timeslots 13 24 interface Serial0 0 1 ip address 10 0 0 1 255 255 255 0 l interface Serial0 1 1 ip address 10 0 0 2 255 255 255 0 connect tl xconnect T1 0 0 2 T1 0 1 2 e This example shows a Cisco 2620XM T1 controller with a 2 port VWIC2 2MFT T1 installed Router show run file Cl paws 65322 tdmfxwic html 5 of 8 1 9 2006 4 31 12 AM file Cl paws 65322 tdmfxwic html Building configuration version 12 4 service timestamps service timestamps debug datetime msec lo
8. tkeyword port 0 was the default primary clock source and port 1 was the default secondary clock source and is loop timed With independent clocking enabled this dependency no longer exists so the independent keyword means that both ports can be independently clocked When independent clocking is configured the controller will support only one channel group and no voice applications If more than one channel group is configured the following error message occurs channel group 2 timeslots 3 SChannel group already created SOnly 1 channel group can be configured with independent clocking SInsufficient resources to create channel group o When you are configuring the clock source independent and no clock source independent commands the channel group has to be removed from the configuration Components Used The information in this document is based on combinations of the network modules supported by the second generation 1 and 2 port T1 E1 multiflex trunk voice WAN interface cards If your network module is e NM HDV for VWIC option choose 0 or 1 these cards can be used o VWIC2 1MFT T1 E1 o VWIC2 2MFT T1 E1 o VWIC2 2MFT G703 e NM HDV2 for VWIC option choose 0 or 1 these cards can be used file Cl paws 65322 tdmfxwic html 2 of 8 1 9 2006 4 31 12 AM file Cl paws 65322 tdmfxwic html o VWIC2 1MFT T1 E1 o VWIC2 2MFT T1 E1 o VWIC2 1MFT G703 o VWIC2 2MFT G703 e NM HD 2VE for VWIC option choose 0
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