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SM-X-PVDM-1000= 1024-channel high-density voice DSP module
PVDM增强服务模块(SM-X-PVDM),思科路由器语音模块
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品牌: 思科(Cisco)
类型: 思科C8300系列路由器
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特点和好处

PVDM 支持数字语音连接、会议、通用转码和媒体优化服务:

●       T1/E1 语音: PVDM 的主要用途之一是将数字语音打包成 IP 数据包,以启用时分复用 (TDM) 数字语音应用。

●      会议: PVDM 模块支持与 Cisco Unified Communications Manager 和 Cisco Unified Communications Manager Express 结合使用的各种编解码器的临时会议和即时会议。

●      通用转码:与 Cisco IOS ®软件结合使用时,PVDM 支持通用转码,允许从任何支持的编解码器转换为任何其他支持的编解码器。

●速率转换       PVDM 支持速率转换,将相同的编解码器重新打包,以连接具有不同编解码器打包周期的不同网络。

●      语音质量管理: PVDM 执行压缩、语音活动检测、抖动管理和回声消除。PVDM 中提供的回声消除具有 128 毫秒的尾部长度,并符合 ITU-T G.168。

●      节能:主板PVDM(PVDM4s)提供多种省电模式,包括不使用模块时的省电模式。在省电模式下,每个 PVDM4 最多可节省 5 瓦电力。

Catalyst 8000 和 4000 系列 ISR 的模拟语音模块(FXS、FXO 和 E/M)和基本速率接口 (BRI) 数字语音模块包含内置的、不可配置的数字信号处理器 (DSP),不需要任何用于语音分组的附加 PVDM。

有关常见问题,请参阅PVDM 问答

外形尺寸和选项

Cisco PVDM 提供三种外形尺寸,每种外形尺寸支持四种密度:

●      主板 PVDM (PVDM4),密度高达 256 个通道(图 1)

●      PVDM 增强型服务模块 (SM-X-PVDM),密度高达 3080 个通道(图 2)

●      NIM PVDM,密度高达 256 个通道(图 3)

除 ISR 4461 外,所有 Cisco 4000 系列 ISR 都支持主板 PVDM。它们可以直接插入路由器主板上的单个插槽或插入支持 T1/E1 端口的网络接口模块 (NIM)。插入主板的 PVDM4 模块仅提供基于 IP 的语音服务,例如会议、媒体优化和转码。

插入 T1/E1 NIM 的 PVDM4 模块将用于语音 T1/E1 连接。任何多余的通道都可以重新用于主板插槽支持的其他基于 IP 的服务。增强型 DSP 架构可容纳针对富媒体语音应用优化的新数据包处理引擎,同时支持 TDM-IP 语音框架。

所有包含 SM-X 插槽的 Catalyst 8300 和 ISR(即 Cisco 4331、4351、4451 和 4461 ISR)都支持 PVDM 增强型服务模块。

Catalyst 8300s 和 ISR 4461 支持 PVDM 网络接口模块,它们都包含 NIM 插槽。

SM-X 模块和 NIM PVDM 模块仅支持基于 IP 的语音服务,不能用于 TDM 应用。

Table 1.        Cisco PVDM Part Numbers and Slot Requirements

Part Number

Slot

Description

PVDM4-32(=)

On-board motherboard or T1/E1 module slot

32-channel high-density voice DSP module, or spare

PVDM4-64(=)

On-board motherboard or T1/E1 module slot

64-channel high-density voice DSP module, or spare

PVDM4-128(=)

On-board motherboard or T1/E1 module slot

128-channel high-density voice DSP module, or spare

PVDM4-256(=)

On-board motherboard or T1/E1 module slot

256-channel high-density voice DSP module, or spare

SM-X-PVDM-500(=)

Enhanced services module slot

768-channel high-density voice DSP module, or spare

SM-X-PVDM-1000(=)

Enhanced services module slot

1024-channel high-density voice DSP module, or spare

SM-X-PVDM-2000(=)

Enhanced services module slot

2048-channel high-density voice DSP module, or spare

SM-X-PVDM-3000(=)

Enhanced services module slot

3080-channel high-density voice DSP module, or spare

NIM-PVDM-32(=)

Network Interface module slot

NIM PVDM with 32-channel DSP

NIM-PVDM-64(=)

Network Interface module slot

NIM PVDM with 64-channel DSP

NIM-PVDM-128(=)

Network Interface module slot

NIM PVDM with 128-channel DSP

NIM-PVDM-256(=)

Network Interface module slot

NIM PVDM with 256-channel DSP

Table 2.        Voice, Fax, and Modem Codec Support on PVDMs

Low-Complexity Codecs

Complexity

Motherboard PVDMs (PVDM4s)

PVDM Enhanced Services Modules (SM-X-PVDMs)

NIM PVDM Modules

Clear channel

Low

Supported

Not applicable

Supported

G.711

Low

Supported

Supported

Supported

Fax and modem pass-through

Low

Supported

Not supported

Supported

G.722

Medium

Supported

Supported

Supported

G.726

Medium

Supported

Not supported

Supported

G.728

High

Supported

Not supported

Supported

G.729

High

Supported

Supported (mapped to G.729a)

Supported

G.729a

Medium

Supported

Supported

Supported

G.729b

High

Supported

Supported (mapped to G.729ab)

Supported

G.729ab

Medium

Supported

Supported

Supported

Fax Relay

Medium

Supported

Not supported

Supported

iLBC (Internet low bit rate codec)

High

Supported

Supported

Supported

iSAC (Internet speech audio codec)

High

Transcoding only

Transcoding only

Transcoding only

AMR-WB

High

Not supported

Not supported

Not supported

Modem relay

High

Supported

Not supported

Supported

Table 3.        Channel Densities of PVDM4, NIM-PVDM-X and SM-X-PVDM Modules

Name

Number of Channels

Low Complexity

Medium Complexity

High Complexity

PVDM4-32

32

24

16

PVDM4-64

64

48

32

PVDM4-128

128

96

64

PVDM4-256

256

192

128

SM-X-PVDM-500

768

384

192

SM-X-PVDM-1000

1024

512

256

SM-X-PVDM-2000

2048

1024

512

SM-X-PVDM-3000

3080

1400

770

NIM-PVDM-32

32

24

16

NIM-PVDM-64

64

48

32

NIM-PVDM-128

128

96

64

NIM-PVDM-256

256

192

128

Table 4.        Media-Enhancement Features

Feature

Motherboard PVDMs (PVDM4s)

PVDM Enhanced Services Modules (SM-X-PVDMs)

NIM PVDM Modules

Echo cancellation

Yes

No

Yes

Tone detection

Yes

Yes

Yes

Noise reduction

Yes

Yes

Yes

Acoustic shock prevention

Yes

Yes

Yes

Gain control

Yes

Yes

Yes


Table 5.        Platform Availability for SM-X-PVDM Modules

4000 Series Platform

SM-X-PVDM-500 (maximum channels)

SM-X-PVDM-1000 (maximum channels)

SM-X-PVDM-2000 (maximum channels)

SM-X-PVDM-3000 (maximum channels)

C8300-1N1S-6T

1 (500)

1 (1000)

1 (2000)

1 (3000)

C8300-1N1S-4T2X

1 (500)

1 (1000)

1 (2000)

1 (3000)

C8300-2N2S-6T

2 (1000)

2 (2000)

1 (2000)

1 (3000)

C8300-2N2S-4T2X

2 (1000)

2 (2000)

2 (4000)

2 (6000)

4321

Not supported

Not supported

Not supported

Not supported

4331

1 (500)

1 (1000)

Not supported

Not supported

4351

2 (1000)

1 (1000)

Not supported

Not supported

4431

Not supported

Not supported

Not supported

Not supported

4451

2 (1000)

2 (2000)

1 (2000)

1 (3000)

4461

3(1500)

3 (3000)

2 (4000)

2 (4000)

All SM-X-PVDM modules require minimum of 8GB RAM

Table 6.        Platform Performance for Transcoding

Platform

Low Complexity to Low Complexity

C8300-1N1S-6T

3336

C8300-1N1S-4T2X

3336

C8300-2N2S-6T

3592

C8300-2N2S-4T2X

6672

4321

768

4331

1024

4351

1280

4431

1024

4451

3336

4461

6160

Table 7.        Platform Performance for Conferencing

Platform

Low Complexity (8-party)

C8300-1N1S-6T

498

C8300-1N1S-4T2X

520

C8300-2N2S-6T

591

C8300-2N2S-4T2X

937

4321

130

4331

220

4351

245

4431

241

4451

502

4461

850

Note that the 4000 Series ISRs do not support the PVDM3 modules, and the 2900 and 3900 Series ISRs do not support the PVDM4, SM-X-PVDM and NIM-PVDM-X modules.

Product specifications

Table 8 gives the specifications for the PVDM4 and SM-X-PVDM modules.

Table 8.        Module Specifications

Feature

Motherboard PVDMs (PVDM4s)

PVDM Enhanced Services Modules (SM-X-PVDMs)

PVDM Network Interface Modules (NIM-PVDM-X)

Components

DSP

Multicore DSP technology

Multicore DSP technology

Multicore DSP technology

Interface

Integrated Services Card (ISC) slot on motherboard or T1/E1 NIM

Enhanced services module (SM-X)

Network Interface module (NIM-PVDM-X)

Features

Operating temperature

32° to 122°F (0° to 50°C)

32° to 104°F (0° to 40°C)

32° to 122°F (0° to 50°C)

Voltage

3.3V

12V

12V

Current

1.47A

4.17A

1.25A

Power

4.85W

50W

15W

Weight

0.08 lb (36 g)

1.78 Ib (808 g)

0.45lb (204 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)

1.58 x 8.55 x 8.10 in. (4.0 x 21.7 x 20.6 cm)

1.25 x 3.50 x 7.24 in. (3.18 x 8.89 x 18.39 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, 1 st and 2 nd Ed. (Canada)

●  GB4943-95 (People's Republic of China)

●  EN60950-1, 1 st and 2 nd Ed. (CENELEC; includes EU and EFTA)

●  NOM-019-SCFI-1998 (Mexico)

●  UL 60950-1, 1 st and 2 nd Ed. (United States)

Complies with:

●  IEC 60950 (worldwide) + A1 and A2

●  AS/NZS 60950-1 (Australia and New Zealand)

●  CAN/CSA-C22.2 No. 60950-1, 2 nd Ed. (Canada)

●  GB4943-95 (People's Republic of China)

●  EN60950-1, 2 nd Ed. (CENELEC; includes EU and EFTA) plus Am1 and Am2

●  NOM-019-SCFI-1998 (Mexico)

●  UL 60950-1, 2 nd Ed. (United States)

Complies with:

IEC 60950-1, 2nd Ed with all group differences and national deviations (worldwide)

●  CAN/CSA-C22.2 No. 60950-1-07. (Canada) 

●  EN 60950-1, 2 nd Ed. (CENELEC; includes EU and EFTA)

●  UL 60950-1, 2 nd Ed. (United States)

●  IEC 62368, 2 nd Ed with all group differences and national deviations (worldwide)

●  CAN/CSA-C22.2 No. 62368-1-14. (Canada)

●  EN 62368-1, 2 nd Ed. (CENELEC; includes EU and EFTA)

●  UL 62368-1, 2 nd Ed. (United States)

Homologation

Platform dependent

Platform dependent

Platform dependent

Mean time between failures (MTBF)

System dependent

System dependent

System dependent

EMC

Emissions

●  CISPR22, Class B

●  EN55022, Class B, CFR47, Part 15, Subpart B, Class B

●  CISPR22, Class A

●  EN55022, Class A, CFR47, Part 15, Subpart B, Class B

●  CISPR32, Class A

●  EN55032, Class A, CFR47, Part 15, Subpart B, Class A

Harmonics

EN61000-3-2

EN61000-3-2

EN61000-3-2

Flicker

EN61000-3-3

EN61000-3-3

EN61000-3-3

Immunity

●  CISPR24

●  EN 55024

●  EN50082-1

●  CISPR24

●  EN 55024

●  EN50082-1

●  CISPR24

●  EN 55024

●  EN61000-6-1

Electrostatic discharge (ESD)

EN 61000-4-2

EN 61000-4-2

EN 61000-4-2

RF fields

EN 61000-4-3

EN 61000-4-3

EN 61000-4-3

EFT

EN 61000-4-4

EN 61000-4-4

EN 61000-4-4

Surge

EN 61000-4-5

EN 61000-4-5

EN 61000-4-5

Conducted RF

EN 61000-4-6

EN 61000-4-6

EN 61000-4-6

Power-frequency magnetic fields

EN 6100-4-8

EN 6100-4-8

EN 6100-4-8

Voltage dips, sags, and interruptions

EN 61000-4-11

EN 61000-4-11

EN 61000-4-11

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