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The NetGuardian G4 alarm remote supports 32 discrete alarms, 8 analog inputs, 8 control relays, 7 RS232 serial ports, 1 RS485 port and an informative local LCD display all in a 1 rack unit of space. This version of the NetGuardian G4 comes in a black finished metal casing and is RoHS 5 of 6 compliant.
The discrete alarms are items such as door alarms, equipment alarms and other ON/OFF events. The discrete alarms are "software reversible" to support both N/O and N/C alarm wiring. The analog alarms are used for measuring such critical events as temperature and voltage (+/- 92VDC). Each of the alarms can be assigned qualification times so that transient and nuisance alarms can be filtered out. The controls are a convenient and time efficient way of remotely switching equipment in the field via the NetGuardian's internal relays.The NetGuardian G4 features dual -48VDC power feeds. You will be able to connect the secondary power feed to a backup source. The dual power feeds will automatically draw from the backup source if the primary source becomes unavailable.
One of the most powerful features found in the NetGuardian G4 is the terminal server function. This allows authorized users to access external equipment through any one of theRJ45 serial ports (110K max baud) over Telnet, Serial or Dial-up. The controls are a convenient and time efficient way of remotely switching equipment in the field via the NetGuardian G4's internal relays. With the 8 Relays you will be able to remotely control equipment such as turning ON/OFF lights, turning ON/OFF backup generators, OPEN/CLOSE gates, etc.
It also supports SNMP v2c Informs, v2C Traps and v1 Traps permits robust message delivery. When coupled with the controls features, it offers a convenient and time efficient way of remotely switching equipment in the field via the NetGuardian's internal relays. The NetGuardian G4 also comes equipped with a built in 33.6 modem. The built in 33.6 modem is a great way to get dial up access to this equipment should your primary transport fail and supports full PPP functionality. If your LAN connection is ever disrupted, the NetGuardian G4 will be able to dial into your ISP and re-establish the LAN connection. This function will prove usefulness time after time to your unmanned remote sites.