Cisco 4000 Series 256 Channel Network Module High Density Voice Digital PVDM4-256

Basic Information
Place of Origin: USA
Brand Name: cisco
Certification: FCC
Model Number: PVDM4-256
Minimum Order Quantity: 1/unit
Price: $2507/unit
Packaging Details: Origianl New Cisco Box Packing
Delivery Time: 3 days
Payment Terms: T/T, Western Union, MoneyGram
Supply Ability: 200/unit/day
Slot: On-board Motherboard Or T1/E1 Module Slot Description: 256-channel High-density Voice DSP Module, Or Spare
Interface: Integrated Services Card (ISC) Slot On Motherboard Or T1/E1 NIM Product Status: In Stock
Warranty: 1 Year Feature: Motherboard PVDMs (PVDM4s)
Weight: 36 G Low Complexity: 256
High Light:

cisco gigabit ethernet module


cisco expansion module


Cisco 4000 Series 256 Channel Network Module High Density Voice Digital PVDM4-256


Product Information


The Cisco PVDM4 expands the capabilities of the Cisco 4451-X Integrated Services Router to provide voice and data support. The Cisco PVDM4 is installed on a slot on the motherboard or on Cisco Fourth-Generation T1/E1 Voice and WAN Network Interface Module.

Codec complexity describes the amount of processing power required to perform codec compression algorithm. Codec complexity affects the number of voice channels that is supported on the DSP module.

The following table lists the channel density support for different complexities for the different Cisco PVDM4 modules.


Table 1 Quick Spec.


Product Code PVDM4-256
Slot On-board motherboard or T1/E1 module slot
Description 64-channel high-density voice DSP module
Low Complexity 256
Medium Complexity 196
High Complexity 128
Device Type Voice DSP module
Form Factor Plug-in module
RAM 512 MB
Designed For Cisco 4431 router


Table 2 shows the details of PVDM4-256.


Feature Motherboard PVDMs (PVDM4s)
DSP Multicore DSP technology
Interface Integrated Services Card (ISC) slot on motherboard or T1/E1 NIM
Operating temperature 32° to 122°F (0° to 50°C)
Voltage 3.3V
Current 1.47A
Power 4.85W
Weight 0.08 lb (36 g)
Dimensions (H x W x D) 0.67 x 2.50 x 2.62 in. (1.7 x 5.1 x 6.7 cm)
Regulatory and Compliance
Safety Complies with:
IEC 60950 (worldwide)
AS/NZS 60950-1 (Australia and New Zealand)
CAN/CSA-C22.2 No. 60950-1, 1st and 2nd Ed. (Canada)
GB4943-95 (People's Republic of China)
EN60950-1, 1st and 2nd Ed. (CENELEC; includes EU and EFTA)
NOM-019-SCFI-1998 (Mexico)
UL 60950-1, 1st and 2nd Ed. (United States)
Homologation Platform dependent
Mean time between failures (MTBF) System dependent


Show the appearance of PVDM4-256.


Cisco 4000 Series 256 Channel Network Module High Density Voice Digital PVDM4-256 0



Our Advantage


1.100% Cisco original factory sealed clean serial.
2. Extensive Real Inventory
3. Save up 50%-92% off the Global Price list
4. Flexible payment shipment
5. Unparalleled Experience Service




1. Fast: in 2-3 days upon receipt of payment.
2. Safe: original package with protection foam in case of equipment broken in transportation
3. Economic: Low cost express fee via DHL, Fedex, TNT,EMS,Postal etc.
4. Flexible: We also ship to your Assigned Forwarder or Pickup by your forwarder



Contact Details

Phone Number : +8615017604163

WhatsApp : +8615017604163