TANDBERG MCU
9
Introduction
Rear view
The back panel provides four PRI interfaces, two LAN interfaces and one RS 232 interface located together with
the power switch/connector and four cooling fans.
T
HE
‘LAN 2’
CONNECTOR
IS
NOT
USED
.
T
O
INCREASE
THE
CAPACITY
,
THE
MCU
CAN
BE
CONNECTED
IN
A
CASCADED
CONFIGURATION
. S
EE
‘A
PPENDIX
3: C
APACITY
’
FOR
MORE
DETAILS
.
TIP
MCU Capacity – typical scenarios (16 video sites and 16 telephony calls option)
Below is an overview of the number of video calls possible to connect on different bandwidths, when 4xE1 (or
4xT1) PRI ISDN lines are connected. In addition to the video calls, telephony calls can also be added.
Bandwidth
Non-encrypted
Encrypted
128 kbps
16+16*
14
256 kbps
16+15
13
384 kbps
16+9
11
512 kbps
15+0
10
768 kbps
10+0
7
1472 kbps (1.5 Mbps)
5+5
N/A
1920 kbps (2 Mbps)
4+0
N/A
* 16+16 indicates 16 video calls and 16 telephone calls.
I
o
LAN 1
LAN 2
PRI 1
PRI 2
PRI 3
PRI 4
RS 232
NOTE