DSE892 - DEEP SEA Electronics - Simple Management Network Protocol (SMNP) Gateway DSE 892-01 - Original - 1 Year Warranty! Multiple DSE control module compatibility. Communication port status LEDs. DIN rail mount. Plug & socket connections. Auto generated Email/SNMP TRAP messages when control module events and operarting changes take place. Customisable Email/SNMP TRAPs based upon module instrumentation values. Single DSE892 gateways can be connected to multiple control modules.