Chapter 2. Installation and Operation2-8 MX2800 User Manual 61200659L1-1LAN PortThe LAN port is an 8-pin modular connector that provides a10BaseT ethernet LAN interface. This LAN interface is used forSNMP and Telnet control.Modem PortThe MODEM port is an 8-pin modular jack that provides a telephoneline (POTS) connection for the internal V.34 modem.The MX2800 STS-1 can be configured as a dial-in host and also asa dial-out-on-Trap device (meaning the unit dials out to a specifiedhost to report error conditions).Noncritical and Critical Alarm ConnectorsThe alarm connectors connect to the three contacts of a Form Ctype relay on the main board of the MX2800 STS-1. This relay isactivated any time the MX2800 STS-1 detects an alarm conditionon 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 lugconnectors (provided). These connectors make it easier to performinitial wiring and to connect and disconnect alarms when replacingConnect the LAN port to intra-building wiring only.Information regarding the built-in modem applies to the following listof numbers: 4200659L1, L2, L3, and L4.
