User's Manual

Versus Technology, Inc.

RF Event Tag (VER-3520/22)

The Event Tag, using Radio-frequency Identification (RFID) signals, continually

monitors for an activity and notifies the Versus system that a specific event has

been initiated at that tag location. The Event Tag monitors for dry-contact closures,

motion switch activity and/or passive IR detection.

When such an event is detected, the Event Tag relays the event information to the

Versus system. For example, a resulting message might be: “Crash Cart #4 located

in Hallway 2East. Door was opened at 2:15am on 10/12/11.

Additionally, upon detecting an event, the Event Tag scans the immediate vicinity for a Versus

RTLS Badge or Tag and, if detected, relays the identity of the badge tied to the initial event. The

scan will last for up to five (5) seconds. For example, a resulting message might be: “Soap

dispenser #235 located in Patient Room 2030 was activated at 9:20pm on 10/12/11 by RN25

Smith.”

 Battery Type – 3.0 V AA (industry type lithium 2400 mAH)

 RF Frequency – 433.9 MHz

NOTE: The Event Tag’s RF functions may be limited if the tag is affixed to

metal—Versus recommends that the tag be used on non-metal surfaces or with a

bracket.

2.3.2 Sensors

Sensors receive signals from badges, convert them into electrical signals and pass the data along to

Collectors. Up to 24 Sensors can be connected to a Collector, although Versus recommends no

more than 20-22 initially to allow for future expansion. Sensors are usually mounted in the ceiling

tiles of a facility, or they can be placed in standard electrical junction boxes where required by

local building codes.

2.3.2.1 Infrared (IR) Sensor (VER-4426)

IR Sensors receive IR signals from badges and convert them into electrical signals. A single

unshielded twisted-pair wire transmits the signals to a Collector and provides the Sensor’s

operating power.

The VER-4426 Hi-Efficiency IR Sensor replaces the original VER-4422 IR Sensor.

The new version is less susceptible to interference from outside IR and RF noise and

fluorescent lighting. They also read low battery badges at greater distances. The Hi-

Efficiency IR Sensor can be identified by its dim yellow Activity Indicator Light that

blinks when an IR signal is received, and stays on when the Sensor is flooded by

outside interference—a feature which can be a helpful troubleshooting tool.

The maximum run length from an IR Sensor to a Collector is 1000 feet. IR Sensors have 360-

degree horizontal coverage, 180-degree vertical coverage, and 15-foot reception distance.

An additional focus ring can be installed inside the IR Sensor to narrow its pickup range to a

smaller area, which can be useful in rooms with multiple patient beds or for pinpoint desk-to-desk

coverage in a nurses’ station.