Vism T1 And E1 Back Cards; Figure; Cisco Mgx 8850 And Vism As A Voice Gateway - Cisco Voice Interworking Services (VISM) Installation And Configuration Manual

VISM and VISM-PR Card Types

Figure 1-3

RJ48-8T1
T1-RJ48
The VISM or VISM-PR card and MGX 8000 Series switch combination provides an interface, or voice
gateway, between conventional TDM networks and packet-switched networks (see
Figure 1-4
Voice/TDM Networks
Connection to the packet network is performed by Cisco MGX 8000 Series switch Processor Module
cards—PXM1, PXM1E, and PXM45—which communicate with a VISM card through the switch's
midplane cellbus. Refer to the documents listed in
page xiv
Cisco VISM Installation and Configuration Guide
1-4

VISM T1 and E1 Back Cards

RJ48-8E1 SMB-8E1
RX1
1 1
TX1
2 2 RX2
TX2
3 3
RX3
4 4
TX3
RX4
5 5
TX4
6 6
RX5
TX5
7 7
RX6
8 8
TX6
RX7
TX7
RX8
TX8
E1-RJ48 E1-SMB

Cisco MGX 8850 and VISM as a Voice Gateway

PBX or
Central Office
MGX 8850
with
VISM
V
T1/E1
for more information on the MGX 8000 Series switch midplane cellbus.
Chapter 1 Overview of the VISM and VISM-PR Cards
R-RJ48-8T1 R-RJ48-8E1
R R
E E
D D
U U
N N
D D
A A
N N
T T
Redundant Redundant
T1-RJ48 E1-RJ48
Packet Network
(IP/ATM)
Packet Networks
Table 5 of the "Related Documentation" section on
Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004
R-SMB-8E1
R
E
D
U
N
D
A
N
T
Redundant
E1-SMB
Figure 1-4).