Cisco IGX 8 User Manual download pdf (Page 2)

Restrictions

MOD-2

Release 12.0(2)T

UVM–Universal voice module on the Cisco 8400 IGX switch.

Restrictions

The following restrictions and limitations apply to the Cisco MC3810–IGX interworking

implementation:

• This feature requires Cisco IGX 8400 switch software Version 9.1 or higher.

• One FTC trunk port to the IGX can be conﬁgured on each Cisco MC3810.

• Up to 100 connections over the FTC trunk port are supported on the Cisco MC3810.

• Data trafﬁc, such as Frame Relay and frame forwarding, can be sent from the Cisco MC3810 to

the Frame Relay module (FRM) port on the IGX.

• Voice trafﬁc from the Cisco MC3810 to the IGX can be sent only in the following cases:

— With Voice Activity Detection (VAD) enabled, up to 10 channels of ADPCM 32K (G.726)

voice can be sent to the IGX Channelized Voice Module (CVM)/ Universal Voice Module

(UVM).

— With VAD disabled, up to 6 channels of ADPCM 32K (G.726) voice can be sent to the IGX

Channelized Voice Module (CVM)/ Universal Voice Module (UVM).

— Up to 12 channels of G.729 voice and up to 24 channels of G.729a voice can be sent to the

IGX UVM.

— Transparent signaling for analog/digital E&M immediate, analog/digital E&M wink, and

analog Foreign Exchange Station (FXS) voice can be sent to the IGX CVM/UVM.

• FAX trafﬁc up to 9.6 kbps can be sent to the IGX UVM.

Platforms

This feature is supported on the Cisco MC3810 only.

Supported MIBs and RFCs

None.

Conﬁguration Tasks

When you conﬁgure IGX interworking on the Cisco MC3810, you must conﬁgure one interface to

serve as the FTC trunk, and then you conﬁgure the speciﬁc connections over that FTC trunk.

This section is divided into the following sections:

• Conﬁguring the Cisco MC3810 FTC Management DLCI on page 3

• Conﬁguring the Cisco MC3810 FTC Frame Relay DLCI for Data Trafﬁc (Optional) on page 5

• Conﬁguring the Cisco MC3810 FTC Voice DLCI for Voice Connections (Optional) on page 8

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Cisco IGX 8 User Manual Page 2