ADTRAN 4200659L1 - Manual (Page 38)

Chapter 2. Installation and Operation
2-8 MX2800 User Manual 61200659L1-1
LAN Port
The LAN port is an 8-pin modular connector that provides a
10BaseT ethernet LAN interface. This LAN interface is used for
SNMP and Telnet control.
Modem Port
The MODEM port is an 8-pin modular jack that provides a telephone
line (POTS) connection for the internal V.34 modem.
The MX2800 STS-1 can be configured as a dial-in host and also as
a dial-out-on-Trap device (meaning the unit dials out to a specified
host to report error conditions).
Noncritical and Critical Alarm Connectors
The alarm connectors connect to the three contacts of a Form C
type relay on the main board of the MX2800 STS-1. This relay is
activated any time the MX2800 STS-1 detects an alarm condition
on the STS-1 network interface. Both
NC (normally closed) and NO
(normally open) contacts are provided.
Connect alarms to one of the three-position modular terminal lug
connectors (provided). These connectors make it easier to perform
initial wiring and to connect and disconnect alarms when replacing
Connect the LAN port to intra-building wiring only.
Information regarding the built-in modem applies to the following list
of numbers: 4200659L1, L2, L3, and L4.