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Comments (8)
Dan Droker
IPVMU Certified | 01/27/15 10:01pm
Good article, but I think there are a few points that need clarification with the PIM400 receivers (I just happen to have brushed up on these for a couple of projects). There are two options for receivers (I realize the kit your are reviewing is specific to one of them, but some of the details in the article seem to pertain to the other):
The PIM400-TD2 gets hardwired to the reader port, lock control relay, and door status inputs of an access control panel. There are no proprietary communication protocols, just Wiegand/C&D card information and dry contact signals. Because of this, it can be used with any standard access control panel, and is not limited to Mercury based systems. Its advantages are ease of use and universal compatibility. Its disadvantages are the expense of needing a reader port for each remote reader and the limit of 2 readers per receiver.
The PIM400-485 talks over a 485 network to the access control system. Because of this, it does require an integration with the access system, but these exist for a large number of access systems and are not limited to Mercury based systems. See Integration Partner List. Expect to pay the access manufacturor a per lock integration license fee, but this is much less than the cost of adding a reader port. Each receiver accommodates up to 16 remote readers. The advantages are a higher level integration with less physical equipment, and the potential for greater economy of scale if several remote readers are used. The disadvantages are a more complicated setup and needing to have an access system for which the integration exists.
As an additional note, WRI400 connected readers can be mixed and matched on the same receivers with AD400 wireless locks also managed through a 3rd party access system.
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Undisclosed Manufacturer #1
I'm typically in favor of using established standards and products that are a company's core business rather than someone's solution to a niche problem. A standard WiFi implementation & a standard wireless adapter would make any ethernet connected panel work just fine. WiFi can be omnidirectional or directional, there are lots of great industrial products on the market to get ethernet to where you need it with plenty of bandwidth, and the panel shouldn't care how that ethernet gets delivered, that's the value of standards.
This stuff gets done all the time with our product to avoid trenching or reach distant gates/doors and I'm sure many others as there's nothing special about our controller/product in this regard.
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Paul Grefenstette
We have used infinias for remote gate ac (dog parks for park districts) where we just used a ptp bridge from ubiquiti and the infinias unit powered locally to power the strike and wireless bridge and then back to a pc to manage the users -- works really well -- next week we have a garage door install for a parking garage where we will be using a long distance reader from AWID with credentials that will stick on the vehicle windshield (the execs didnt want to have to click a button or have a fob to hold out the window to a reader - just wanted it automatic as they get close to the door) I will post how the install goes.
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