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Speciﬁcations for the MCU Module

Tables 3–5 provide speciﬁcations for the MCU module.

Table 3

MCU Module Speciﬁcations

LAN Interface

100BASE-T (10/100), RJ-45

Serial Port

EIA-232, DB-9

Protocols

H.323, T.120

Video Coding

H.261, H.263, QCIF/CIF, 4CIF

Audio Coding

(without transcoder card)

G.711 a/µ-law

Audio Coding

(with transcoder card)

G.711 a/µ-law, G.722, G.723.1, G.728, and G.729

Up to 30 calls in videoconferences and up to 60 calls in audio-only conferences.

Data Collaboration

T.120

Panel LEDs

GK Reg (registered with Gatekeeper), CPU High, Alarm, Activity

Module Dimensions

Height: 0.81 in. (2.1 cm)

Width: 9.19 in. (23.34 cm)

Depth: 6.3 in. (16 cm)

Module Types Available

A single module type supports both system (top, slot 1) and add-on (slots 2-4)

positions in the Cisco IP/VC 3544 chassis.

Software Upgrades

Remote software upgrade by administrator using software utility

Table 4

MCU Module Capacity for Voice-Switched Conferences

Number of Participants in Conference(s)

Call Bandwidth 100-Session Module 60-Session Module 30-Session Module

128 Kbps 100 60 30

384 Kbps 70 42 21

768 Kbps 25 15 7

1.5 Mbps 15 9 4

2.0 Mbps 10 6 3

Audio Only 150 90 45

Table 5

MCU Module Capacity for Continuous-Presence Conferences

Number of Participants in Conference(s)

Video Rate (kbps) into MCU

(QCIF)/Out from MCU (CIF)

100-Session Module 60-Session Module 30-Session Module

110/440 66 40 20

320/1280 45 27 13

1 2 3 4 5 6 7 8 9 10 11 12 13

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