HP 480-0005-00-15 manual DSP Resource Card, 9Usage Guidelines WAN Card Usage Required DSP Cards

Chapter 2: Hardware Components

DSP Resource Card

The DSP (Digital Signal Processor) card is a signal processing resource card; it provides the required signal processing functions to implement VoIP. The DSP card compresses voice data and generates voice packets using PacketSaver, Quintum’s exclusive multiplexing technology.

For the CMS (14 slot), the chassis supports up to eight DSP cards; the DSP card can occupy any slot except the CPU/System Controller slot. We recommend you install the first DSP card in slot 13 and the next in slot 12, 11, etc. until you reach slot 6.

Figure 2-26 DSP Card

LEDs

Note: Each DSP Bank contains an upper and lower LED

DSP BANK 1

RAY7

DSP BANK 2

RAY5

DSP BANK 3

RAY3

DSPRAY1BANK 4

.079

DSP STATUS LEDS

Hot Swap LED TM

TM

QUINTUMTM

TECHNOLOGIES, INC.

DSP

HOT SWAP

Channel support. Each DSP board supports 120 voice channels. A maximum of eight cards can be installed in a system. Although application specific, the number of calls going VoIP determines how many DSP cards will be required. In general, two DSP cards are required for each fully-utilized WAN T1 or WAN E1 card. See Table 2-9for the required number of DSP cards per various T1 or E1 requirements.

Table 2-9Usage Guidelines

WAN Card Usage	Required DSP Cards
1 T1 Card (24 channel usage)	2 DSP Cards (for full VoIP usage)
1 E1 Card (30 channel usage)	2 DSP Cards (for full VoIP usage)

P/N 480-0005-00-15 2-29