This RTU (Remote Telemetry Unit) Grows with Your Network

When you're planning your alarm monitoring, think about the future. You don't want to get locked into an alarm system that's inadequate for your future needs - but you don't want to spend too much for alarm capacity you won't immediately use, either.

The NetGuardian 832A remote telemetry unit expands its capacity as your needs change. Install a NetGuardian at your remote site now, and get exactly the right coverage for your current needs.

Then, as your remote site grows, you can extend your alarm monitoring capabilities by adding NetGuardian DX Expansion units. Each NetGuardian DX adds 48 more alarm points, and you can daisy-chain up to three NetGuardian DXs off each NetGuardian 832A base unit.

Unit
Capacity
Base NG 832
32
1 DX
80
2 DX
128
3 DX
176

NetGuardian 832A

DX

DX

DX

NetGuardian 832A

The NetGuardian 832A is a full-featured remote telemetry unit. The NetGuardian supports 32 discrete alarms, 32 ping alarms, 8 analog inputs, 8 controls, and 8 serial reach-through ports. The optional NetGuardian Expansion Unit can expand the NetGuardian's discrete alarm capacity to 80, 128 or 176 discrete alarms. The NetGuardian reports to T/Mon NOC or to multiple SNMP managers - or you can use the NetGuardian's built-in Web Browser Interface and email alarm notification to monitor your remote site without a master.

For more information, check out the NetGuardian on the Web at www.dpstelecom.com/netguardian.

NetGuardian back panel

NetGuardian 832A Specifications.

Protocols: SNMP and DCPx.

Discrete Inputs: 32 (expandable to 176).

Alarm Detection Speed: User-defined (3 to 999 msec).

Analog Inputs: 8.

Analog Input Range: (-94 to 94 VDC or 4 to 20 mA).

Control Outputs: 8 Form C relay contacts.

Maximum Voltage: 60 VDC/120 VAC.

Maximum Current:1 Amp, AC/DC.

IP Address Ping Targets: 32.

NGEdit.jpg
The NetGuardian's included Windows configuration utility makes it easy to create standard configurations and upload them via LAN.

Interfaces:
8 DB9 RS-232 ports
1 RJ45 10BaseT Ethernet port
1 RJ11 POTS jack
2 50-pin Amphenol connectors (discretes, controls, and analogs)
1 DB9 connector (analogs)

Modem: 33.6K internal

Visual Interface:
LCD display with descriptive text
16 bicolor LEDs

Audible Interface: Alarm speaker
Dimensions: 1.75"H x 17"W x 12"D
(4.5 cm x 43.2 cm x 30.5 cm)

Weight: 4 lbs. 3 oz. (1.9 kg)

Mounting: 19" or 23" rack

Power Input: -48VDC (-40 to -70 VDC) see options

Current Draw: 200mA

Fuse: 1 Amp GMT

Operating Temperature: 32°-140° F (0°-60° C)

Operating Humidity: 0%-95% non-condensing


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