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Chapter 2. Installation and Operation
61200217L1-1 T3SU 300 User Manual 2-5
The alarm function can be disabled through the
A
LARM
R
ELAY
selection of the
C
ONFIGURATION
menu.
DTE Port 1 (HSSI Interface)
DTE port 1 is a built-in HSSI port that resides on the main board of
the T3SU 300. The bandwidth of this port is configurable from 75
kbps to 44.2 Mbps in 75 kbps increments. When a single application
requires the full 44.2 Mbps of bandwidth, the T3SU 300 does not
have to be equipped with additional port cards.
Auxiliary Port
The auxiliary (AUX) port is an 8-pin modular jack located on the
rear panel of the T3SU 300. The function of this port differs,
depending on which version of the T3SU 300 you have (1200217L1
or 1200217L2).
For the 1200217L1 product, this port provides a DTE-type, EIA-232
asynchronous serial port. This port can be connected to a VT 100
terminal or to a device running SLIP or async PPP. This port can
also connect to an external modem to provide dialup VT 100, SLIP,
or PPP. This port’s mode and baud rate are selected in the
S
YSTEM
M
ANAGEMENT
portion of the
C
ONFIGURATION
menu.
For the 1200217L2 product, the AUX port provides a telephone line
(POTS) connection for the internal V.34 modem.
For both versions of the product, the T3SU 300 can be configured as
a dial-in host and also as a dial-out-on-TRAP device (meaning that
the unit dials out to a specified host to report error conditions).
Configuration for both the external (L1) and internal (L2) modem
parameters is done in the
D
IALUP
O
PTIONS
menu under the
S
YSTEM
M
ANAGEMENT
portion of the
C
ONFIGURATION
menu
(
C
ONFIGURATION
->
S
YSTEM
M
ANAGEMENT
->
D
IALUP
O
PTIONS
).