User's Manual

Table Of Contents
116 Beltpack Overview ROAMEO System
Bosch Security Systems, Inc.
Technical Manual
F.01U.306.750
Rev. 01
Carrier Field
The Carrier field displays the RF Carrier the beltpack is currently using. European units and most countries around the world
have 10 carriers available, while the US and Canada have five carriers available. For more information on frequency
operation, see “Frequencies Of Operation” on page 23.
Slot Field
The Slot field displays the carrier slot the beltpack is assigned on the carrier. Each carrier has 24 slots available for
transmitting packets. The first 12 slots are dedicated for access point to beltpack transmission while the second 12 slots are
dedicated for beltpack to access point transmission. Narrowband configuration uses one slot for transmission and wideband
uses two slots for transmission.
AP ID Field
The AP ID field displays the ID of the access point currently hosting the beltpack. Access points are assigned a unique number
by the user when configuring the system. All access points in the system must have a unique AP ID.
RSSI Meter Display
The RSSI Meter display indicates the signal strength of the RF transmission. RSSI (Received Signal Strength Indicator)
measures the power the beltpack is receiving from an access point.
RSSI ranges from 0 (no strength) to 216 (full strength).
QF Meter Display
The QF Meter display indicates the QF (Quality Factor). QF is a number based upon the amount of packets being received by
the beltpack from the access point.
The QF meter ranges from 0 (no packets) to 10 (no missing packets).
FIGURE 29. Site Survey Screen