The back view of the MAS varies, depending on the type of motherboard
that is installed. The type of motherboard affects where cables
are connected. All new MASs support up to four (4) universal-type
port boards, depending on the switch integration and the TUI used.
Only systems with a nonintegrated video and LAN that were upgraded
from Release 1 support five (5) port boards, if five boards were
installed before the upgrade.
Note: Port boards are not present for IP H.323 or
IP SIP integrations.
An Avaya S3400-family MAS uses these configurations:
MAS with nonintegrated video and LAN

1
|
Latch for top cover |
2
|
Power supply |
3
|
AC power receptacle |
4
|
Power supply on/off switch |
5
|
Mouse connector |
6
|
Keyboard connector |
7
|
USB ports, one of which is used for the required
modem |
8
|
Serial port (COM1) |
9
|
Parallel port (not used) |
10
|
Serial port (COM2) |
11
|
Corporate LAN interface |
12
|
Audio connectors (not used) |
13
|
Video card (contains monitor connector) |
14
|
Network interface card (not used in this configuration) |
15
|
Port boards (type varies). Port boards are not
present for IP H.323 or IP SIP integrations. |
16
|
Most MASs support up to four (4) port boards,
depending on the type of board and traffic requirements. Starting
from the right side of the chassis, the available PCI slots
are 6, 5, 4, and 3. PCI slot 2 is used only for Release 1 upgrades.
PCI slot 1 is always used for the NIC.
Note: Only systems that were upgraded from Release 1
support five (5) port boards, if five boards were installed
before the upgrade. |
MAS with integrated video and LAN

1
|
Latch for top cover |
2
|
Power supply |
3
|
AC power receptacle |
4
|
Power supply on/off switch |
5
|
USB ports, one of which is used for the required
modem |
6
|
Mouse connector |
7
|
Keyboard connector |
8
|
Serial port (COM1) |
9
|
Video connector |
10
|
Corporate LAN interface |
11
|
Private LAN interface (not used in this configuration)
|
12
|
Serial port (COM2, not used) |
13
|
Port boards (type varies). Port boards are not
present for IP H.323 or IP SIP integrations. |
14
|
Up to four (4) port boards can be installed in
each MAS, depending on the type of board and traffic requirements.
Starting from the right side of the chassis, the available PCI
slots are 1, 2, 3, and 6. |
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