Security Sales & Integration April 2022 - 49

the fixed price per door and saves time on
cabling and installation. Wiegand technology
required homerun cable pulls from the
control panel to each peripheral device.
Knowing a system is functioning correctly
is vital. OSDP controllers provide end users
with messages regarding reader capabilities,
status, real-time tamper reporting and more.
Older methods, including Wiegand, only provide
one-way communication. This means the
reader cannot be supervised as it has no way of
confirming if it's still connected to the controller.
For example, with Wiegand, there is no way
for the reader to communicate its operating
status except when a card is presented. OSDP
provides continuous polling of readers with an
acknowledgment and response that includes information
about the device's state.
OSDP works across different bi-directional
communication methods, and others the benefits
of using RS-485 serial communications or
TCP/IP and Ethernet (including wireless communications).
Riding on RS-485, OSDP enables
cable runs of up to 4,000 feet, whereas Wiegand
protocol systems are limited to 500 feet.
Openness is a critical part of OSDP. End-users
deploying OSDP gain interoperability
among security devices. The standard covers
integrating biometric technologies such as fingerprint,
facial or iris biometrics, providing options
for multifactor authentication. It is agnostic
to credential types, allowing readers, panels,
and other devices from one manufacturer to
work seamlessly with those from another supplier.
By eliminating the need for proprietary
readers and controllers, users can choose devices
based on performance and price.
Also, OSDP is required for integrators working
with organizations requiring the highest levels of
security, such as the federal government and data
centers. OSDP provides a standard to meet the
requirements of the Federal Identity, Credential
and Access Management (FICAM) guidelines for
secure bi-directional communication.
The Migration Process
Worldwide, many reader installations still work
only with the Wiegand technology. Most industry
professionals are pushing for the adoption of
OSDP as quickly as possible. Yet, a rip-and-replace
project is expensive.
There are three components - credential,
readers and intelligent controllers - involved
in changing an OSDP protocol. And while the
securitysales.com
protocol is specifically about communications
between the reader and the controller, it is essential
that credential security also be considered.
Let's look at a company with 2,000 employees
as an example of the costs involved in making
a complete switch from Wiegand technology.
Those 2,000 employees will need an equal number
of new cards at the cost of about $10,000.
A total of 200 new readers adds $60,000 to the
price. New readers require new controllers - 50
more devices cost about $50,000 for a total cost
of $120,000 for an immediate upgrade.
A more realistic plan for most organizations
is a measured migration beginning with reader
upgrades along the perimeter to protect softer
yet critical interior areas. Inside, place mobile
modules behind each reader and upgrade with
CRS cards or mobile smartphone credentials.
The final step, the heavy lift, replaces all field
hardware, meaning the intelligent controllers.
This can happen by replacing failed devices
configured for OSDP. In some cases, it is also
possible to reuse existing wiring, further easing
the migration plan.
There are few access control regulations related
to an OSDP upgrade. However, it is increasingly
found as a requirement. Regulated
utilities are one industry that can require the
OSDP standards. Simply put, sensitive information
needs to be transmitted over secure connections.
OSDP provides a way to address this
increasingly common requirement. More often,
today's IT departments (and their auditors) insist
that security teams install the technology
that best protects the network. Each IoT device
in a security system provides an opportunity for
hackers to gain network access. Wiegand provides
an open door that OSDP closes.
Selling OSDP
Where have we gone wrong in getting OSDP
universally adopted? Though it's an industrywide
problem, many integrators are still unaware
of the standard and what it offers end users. It's
outside the norm, not how they have always
done things. Other integration firms balk at the
expense and disruption caused by sending technicians
to OSDP training classes. The result is
many integrators continue installing Wiegand
technology, widely known to be inferior.
Some consultants still specify Wiegand, and
some access control equipment manufacturers
have lagged in accepting OSDP. However, a
growing number of progressive integrators
APRIL 2022 Security Sales & Integration 49
Combined
with modern
credentials, OSDP
provides a way
for secure end-toend
deployments
with lower
installation and
operational costs.
ZILVERGOLF/STOCK.ADOBE.COM
http://www.securitysales.com

Security Sales & Integration April 2022

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