Cisco Cisco 2600 3600 Series 1-Port 30-Channel J1 Voice Fax Network Module Information Guide
All contents are Copyright © 1992–2004 Cisco Systems, Inc. All rights reserved. Important Notices and Privacy Statement.
Page 1 of 3
Q & A
HIGH-DENSITY PACKET VOICE
DIGITAL SIGNAL PROCESSOR MODULES
DIGITAL SIGNAL PROCESSOR MODULES
Q.
How many versions are in PVDM2 modules?
A.
PVDM2 has five versions. The product numbers for the five versions are PVDM2-8, PVDM2-16, PVDM2-32, PVDM2-48 and PVDM2-64
respectively. Each PVDM2 module includes:
PVDM2-8
8-Channel Packet Fax/Voice DSP Module
1 DSP (TI 2505)
PVDM2-16
16-Channel Packet Fax/Voice DSP Module
1 DSP (TI 2510)
PVDM2-32
32-Channel Packet Fax/Voice DSP Module
2 DSPs (TI 2510)
PVDM2-48
48-Channel Packet Fax/Voice DSP Module
3 DSPs (TI 2510)
PVDM2-64
64-Channel Packet Fax/Voice DSP Module
4 DSPs (TI2510)
Q.
What does the digit number (i.e. 8, 16…) mean in the PVDM2 product number?
A.
The number 8, 16, 32, 48 or 64 indicates the maximum number of G.711 voice calls that particular PVDM2 module can support.
Q.
How many voice channels does each PVDM2 modules support?
A.
Name
Description
1
Num. of
DSPs
Max Num. of
Channels in
G.711
Max of Channels in
High Complexity
Codecs
Max Channels in Medium
Complexity Codecs
PVDM2-8
8- Channel Packet Fax/Voice DSP
Module
1
2
8
4
4
PVDM2-16
16- Channel Packet Fax/Voice DSP
Module
1
16
6
8
PVDM2-32
32- Channel Packet Fax/Voice DSP
Module
2
32
12
16
PVDM2-48
48- Channel Packet Fax/Voice DSP
Module
3
48
18
24
PVDM2-64
64- Channel Packet Fax/Voice DSP
Module
4
64
24
32
1. The number of channels in PVDM2 product numbers and descriptions is the maximum channel density with G.711 codec.
2. PVDM2-8 contains one TNETV2505GGW DSP; others PVDM2 modules contain 1 to 4 TNETV2510GGW DSPs.
Q.
What are the high complexity and medium complexity codecs supported in PVDM2?
A.
High Complexity Codecs
Medium Complexity Codecs
PVDM2 Module
G.723.1, G.728, G.729, G.729b, GSM-EFR and Modem
Relay
G.711
1
, g.729a, G.729ab, G.726, GSM-FR and Fax Relay
1. PVDM2 can support higher density of G.711 calls than that of other medium complexity codecs, see Table 1.