Supervisor 4500 User Guide
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PUD4386R1-1
Bi-directional Traffic and Smart Use of Passage Modes (cont.)
Bi-directional passage modes are generally suitable for low to medium volume applications. Traffic is
generally heavy in only one direction at a time (arriving in the a.m. or leaving in the p.m.) and users
naturally work out a protocol similar to drivers at a four-way stop.
For higher-level traffic applications, and where there are multiple turnstiles at an entry point, faster
throughput can often be achieved by closing one direction of passage on select turnstiles as shown in
[Fig. 8 & Fig. 9].
Fig. 8
Fig. 8
Morning / Return from Lunch
Morning / Return from Lunch
Fig. 9
Fig. 9
Evening / Leave to Lunch
Evening / Leave to Lunch
Secured Side
Unsecured Side
LANE 1
ENTRY OPEN
LANE 2
ENTRY OPEN
LANE 3
EXIT OPEN
LANE 3
ENTRY CLOSED
LANE 2
EXIT CLOSED
LANE 1
EXIT CLOSED
LANE 1
ENTRY OPEN
LANE 2
ENTRY CLOSED
LANE 3
ENTRY CLOSED
LANE 1
EXIT CLOSED
LANE 3
EXIT OPEN
LANE 2
EXIT OPEN
Secured Side
Unsecured Side
