Chapter 1 - Before You Begin

Table 1-1: MGC Unit Specifications

Channel aggregation

H.221, BONDING, Multi-Rate (H0)

 

 

Network Interfaces

MGC-50/MGC-100

 

 

Network interfaces

ISDN:

 

T1 PRI, E1 PRI, Multirate ISDN, NFAS, Leased

 

lines-T1/E1, Switched 56

 

IP (H.323 and SIP):

 

LAN

 

T1-CAS

 

T1-CAS lines for Audio Only connections

 

ATM:

 

25 (FVC.COM), 155 (FVC.COM)

 

Serial:

 

V.35, RS449, RS530/A

 

 

External

MGC-50/MGC-100

Communications

 

 

 

Data rates

56 Kbps - 1920 Kbps (E1)

 

 

Network interfaces

ISDN T1/ E1, ATM-25 (First Virtual), ATM-155 (First

 

Virtual), T1-CAS, LAN, serial (MPI)

 

 

MGC Manager control

An independent LAN connection (separate from the

connection

conferencing connection)

 

 

Clock synchronization

Synchronizes to an external network

 

 

Local/Remote External

MGC-50/MGC-100

Equipment

 

 

 

Operator workstations

LAN/RS-232/Modem/Internet

 

 

Reservation systems

LAN/Internet/Modem

 

 

Environment

MGC-50/MGC-100

 

 

Operating temperature

10°–40°C (50°–104°F)

 

 

Storage temperature

-40°–70°C (40°–158°F)

 

 

Relative humidity

15%-90% no condensing

 

 

Operating altitude

Up to approx. 3,000m (10,000ft)

 

 

1-4

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Polycom DOC2230A manual Network Interfaces MGC-50/MGC-100, IP H.323 and SIP, Serial, External MGC-50/MGC-100 Communications