If you live or work in New Britain, Connecticut, you've probably swiped a badge at least once today and wondered why the reader chirps twice when you think you did everything right. Anti-passback rules and badge accounting might sound like cold security jargon, but they shape how people flow through offices, campuses, hospitals, and even parking garages here. And, oh, do they spark debate.
At its simplest, anti-passback (APB) is a rule that says you can't use your card to enter a secured zone unless the system believes you're currently “outside,” and you can't exit unless it believes you're “inside.” It's a digital version of a doorman keeping a clipboard of who went in and who came out. The idea is to stop “passback,” where someone hands their badge to a friend to sneak them in. Badge accounting goes hand-in-hand: it's the tally of who's in a space at any given moment (and who isn't), often used for safety counts, compliance, and a bit of HR housekeeping. In New Britain, Connecticut, Anti-passback rules and badge accounting aren't just theoretical; they're part of daily life in facilities that care about safety, fairness, and rules.
Walk around downtown near municipal buildings, or step onto a corporate campus (New Britain's got some big names), and you'll see why this matters. There's sensitive equipment, confidential data, and folks who need to know that spaces aren't overcrowded or open to just anybody. APB and accounting make it harder for tailgaters and badge-sharing, and they give first responders data when, say, a fire alarm empties a building. The system says, we think 327 people are still inside; here's where their last reads were. That's not nothing.
But the tech isn't perfect. Readers can fail, doors prop open, and access panels drift out of sync. There's many reasons the database might think you exited when you didn't, or vice versa (someone piggybacked, a door contact was flaky, your badge was read twice in a jittery second). Then you try to re-enter after a coffee break and the panel goes red. You tap harder like that'll help, and a small line forms behind you. If this happens at a shift change outside a garage near a busy artery, what a mess!
Locals tell stories that sound mundane but matter. At a hospital campus, a clinician rushing between buildings can't afford to be “locked out” because the APB state never updated on a skywalk reader. At a university facility, a student group returns after a late practice; one person forgot to badge out earlier, so the system won't let them back in now. And in a factory where time is literally money, an APB glitch at the main turnstile can chew up minutes that nobody gets back. It's not that the idea is bad-it's that the execution needs to be tuned to the way people actually move.
That's where policy comes in. Smart administrators in New Britain adapt APB, rather than worship it. They use soft APB (which warns but doesn't hard-lock) during the first weeks of a rollout, and then ramp up to hard APB once people understand the rhythm. They put “forgive” buttons in the guard console and train attendants to resolve a stuck credential fast (like 15 seconds fast). They define clean zones: if there's a public lobby that folks cross frequently, they don't put hard APB on that boundary. And they don't pretend that a single rule fits a hospital, a city office, and a baseball stadium the same way.
Badge accounting also walks a fine line. Counting occupants supports life safety and compliance, but it shouldn't become a shadow timesheet. In Connecticut, employers are already careful about timekeeping and privacy, and many workers expect reasonable transparency. If a New Britain site uses badge data for payroll or investigations, it mustn't be a surprise. Clear notices, union consultation where it applies, and a narrow use policy (no fishing expeditions) go a long way. People accept controls when they understand the why and the limits. They reject them when they feel watched for no good reason.
The tech stack matters too. Modern systems tie door contacts, motion sensors, and camera analytics into APB logic. If a door is forced or propped, the system can “heal” the APB state or at least flag a mismatch. Mobile credentials reduce passback because it's harder to hand someone your phone than a plastic card (and geofencing helps validate presence). Offline readers in stairwells sync state when they reconnect (but really, try not to strand people there). And the best deployments add graceful exits: turnstiles where you can badge-out even if you forgot, and clearly marked portals with separate readers for each direction (one reader for both in and out is just asking for chaos).
There's also a very New Britain way of looking at it: practical, cost-conscious, and community-minded. Security isn't a trophy; it's a tool. You won't win points by bragging that no one can get in or out-unless that also means first responders, contractors, and late-shift staff can move smoothly when they need to. So facilities teams here try not to pile on rules they can't support. If there's no overnight guard, maybe don't enable strict hard APB on every exterior door at 2 a.m. If the parking garage sees heavy traffic after a game night, consider time-based relaxations so residents aren't stuck idling and honking (not good for anyone). And if a building serves the public, a visible help point with a live voice beats a laminated sign that nobody reads.
Some practical tips I've heard around town (and they're common sense, really):
And one more thing-interoperability isn't optional. If the city upgrades fire panels or changes elevator controls, the APB and accounting logic should be reviewed. People will move differently, and the system mustn't pretend otherwise. Oh, and keep an eye on your integrations (camera pop-ups, visitor systems, mobile wallets). When one piece hiccups, the APB state can drift in subtle ways you won't notice until the Monday rush.
In the end, anti-passback and badge accounting in New Britain aren't about catching bad actors as much as they're about fairness and safety. They say, we share spaces, we respect limits, and we're trying to keep things running. Done well, they fade into the background. Done poorly, they trip us up at the door. And, well, nobody here really has time for that.
A fire alarm system is a building system designed to detect, alert occupants, and alert emergency forces of the presence of fire, smoke, carbon monoxide, or other fire-related emergencies. Fire alarm systems are required in most commercial buildings. They may include smoke detectors, heat detectors, and manual fire alarm activation devices (pull stations). All components of a fire alarm system are connected to a fire alarm control panel. Fire alarm control panels are usually found in an electrical or panel room. Fire alarm systems generally use visual and audio signalization to warn the occupants of the building. Some fire alarm systems may also disable elevators, which are unsafe to use during a fire under most circumstances.[1]
Fire alarm systems are designed after fire protection requirements in a location are established, which is usually done by referencing the minimum levels of security mandated by the appropriate model building code, insurance agencies, and other authorities. A fire alarm designer will detail specific components, arrangements, and interfaces necessary to accomplish these requirements. Equipment specifically manufactured for these purposes is selected, and standardized installation methods are anticipated during the design. There are several commonly referenced standards for fire protection requirements, including:
There are national codes in each European country for planning, design, installation, commissioning, use, and maintenance of fire detection systems with additional requirements that are mentioned on TS 54 -14:
Across Oceania, the following standards outline the requirements, test methods, and performance criteria for fire detection control and indicating equipment utilised in building fire detection and fire alarm systems:
Fire alarm systems are composed of several distinct parts:
Initiating devices used to activate a fire alarm system are either manually or automatically actuated devices. Manually actuated devices, also known as fire alarm boxes, manual pull stations, or simply pull stations, break glass stations, and (in Europe) call points, are installed to be readily located (usually near the exits of a floor or building), identified, and operated. They are usually actuated using physical interaction, such as pulling a lever or breaking glass.
Automatically actuated devices can take many forms, and are intended to respond to any number of detectable physical changes associated with fire: convected thermal energy for a heat detector, products of combustion for a smoke detector, radiant energy for a flame detector, combustion gases for a fire gas detector, and operation of sprinklers for a water-flow detector. Automatic initiating devices may use cameras and computer algorithms to analyze and respond to the visible effects of fire and movement in applications inappropriate for or hostile to other detection methods.[13][14]
Alarms can take many forms, but are most often either motorized bells or wall-mountable sounders or horns. They can also be speaker strobes that sound an alarm, followed by a voice evacuation message for clearer instructions on what to do. Fire alarm sounders can be set to certain frequencies and different tones, either low, medium, or high, depending on the country and manufacturer of the device. Most fire alarm systems in Europe sound like a siren with alternating frequencies. Fire alarm electronic devices are known as horns in the United States and Canada and can be continuous or set to different codes. Fire alarm warning devices can also be set to different volume levels.
Notification appliances utilize audible, visible, tactile, textual or even olfactory stimuli (odorizers)[15][16] to alert the occupants of the need to evacuate or take action in the event of a fire or other emergency. Evacuation signals may consist of simple appliances that transmit uncoded information, coded appliances that transmit a predetermined pattern, and/or appliances that transmit audible and visible information such as live or prerecorded instructions and illuminated message displays. Some notification appliances are a combination of fire alarm and general emergency notification appliances, allowing both types of emergency notifications from a single device. In addition to pre-recorded and predetermined messages and instructions, some systems also support the live broadcasting and recording of voice announcements to all or certain parts of the property or facility, including customized instructions for the situation for each area, such as by emergency or facility management personnel. Outdoor appliances (such as large-scale speaker/horn/strobe poles to effectively reach outdoor occupants over potentially larger distances or areas), lighting control, and dynamic exit signage may also be used in certain circumstances.
Some fire alarm systems utilize emergency voice alarm communication systems (EVAC)[17] to provide prerecorded and manual voice messages. Voice alarm systems are typically used in high-rise buildings, arenas, and other large "defend-in-place" occupancies such as hospitals and detention facilities where total evacuation is difficult to achieve.[citation needed] Voice-based systems allow response personnel to conduct orderly evacuation and notify building occupants of changing event circumstances.[citation needed]
Audible textual appliances can be employed as part of a fire alarm system that includes EVAC capabilities. High-reliability speakers notify the occupants of the need for action concerning a fire or other emergency. These speakers are employed in large facilities where general undirected evacuation is impracticable or undesirable. The signals from the speakers are used to direct the occupant's response. The fire alarm system automatically actuates speakers in a fire event. Following a pre-alert tone, selected groups of speakers may transmit one or more prerecorded messages directing the occupants to safety. These messages may be repeated in one or more languages. The system may be controlled from one or more locations within the building, known as "fire warden stations", or from a single location designated as the building's "fire command center". From these control locations, trained personnel activating and speaking into a dedicated microphone can suppress the replay of automated messages to initiate or relay real-time voice instructions.[18]
In highrise buildings, different evacuation messages may be played on each floor, depending on the location of the fire. The floor the fire is on along with ones above it may be told to evacuate while floors much lower may be asked to stand by.[citation needed]
In the United States, fire alarm evacuation signals generally consist of a standardized audible tone, with visual notification in all public and common-use areas. Emergency signals are intended to be distinct and understandable to avoid confusion with other signals.
As per NFPA 72, 18.4.2 (2010 Edition), Temporal Code 3 is the standard audible notification in a modern system. It consists of a repeated three-pulse cycle (0.5 s on, 0.5 s off, 0.5 s on, 0.5 s off, 0.5 s on, 1.5 s off). Voice evacuation is the second most common audible notification in modern systems. Legacy systems, typically found in older schools and buildings, have used continuous tones alongside other audible notifications.
In the United Kingdom, fire alarm evacuation signals generally consist of a two-tone siren with visual notifications in all public and common-use areas. Some fire alarm devices can emit an alert signal, which is generally used in schools for lesson changes, the start of morning break, the end of morning break, the start of lunch break, the end of lunch break, and when the school day is over.
New codes and standards introduced around 2010, especially the new UL Standard 2572, the US Department of Defense's UFC 4-021-01 Design and O&M Mass Notification Systems, and NFPA 72 2010 edition Chapter 24, have led fire alarm system manufacturers to expand their systems voice evacuation capabilities to support new requirements for mass notification. These expanded capabilities include support for multiple types of emergency messaging (i.e., inclement weather emergency, security alerts, amber alerts). The major requirement of a mass notification system is to provide prioritized messaging according to the local facilities' emergency response plan, and the fire alarm system must support the promotion and demotion of notifications based on this emergency response plan. In the United States, emergency communication systems also have requirements for visible notification in coordination with any audible notification activities to meet the needs of the Americans with Disabilities Act.
Mass notification system categories include the following:
Mass notification systems often extend the notification appliances of a standard fire alarm system to include PC-based workstations, computers, mobile devices, text-based or display monitor-based digital signage, and a variety of remote notification options including email, text message, RCS/other messaging protocols, phone calls, social media, RSS feed, or IVR-based telephone text-to-speech messaging. In some cases and locations, such as airports, localized cellular communication devices may also send wireless emergency alerts to cell phones in the area, and radio override may override other radio signals to play the emergency message and instructions to radios in range of the signal.
Residential fire alarm systems are commonplace. Typically, residential fire alarm systems are installed along with security alarm systems. In the United States, the NFPA requires residential fire alarm system in buildings where more than 12 smoke detectors are needed.[19] Residential systems generally have fewer parts compared to commercial systems.
Various equipment may be connected to a fire alarm system to facilitate evacuation or to control a fire, directly or indirectly:
In the United Kingdom, fire alarm systems in non-domestic premises are generally designed and installed in accordance with the guidance given in BS 5839 Part 1. There are many types of fire alarm systems, each suited to different building types and applications. A fire alarm system can vary dramatically in price and complexity, from a single panel with a detector and sounder in a small commercial property to an addressable fire alarm system in a multi-occupancy building.
BS 5839 Part 1 categorizes fire alarm systems as:[21]
Categories for automatic systems are further subdivided into L1 to L5 and P1 to P2.
An important consideration when designing fire alarms is that of individual "zones". The following recommendations are found in BS 5839 Part 1:
The NFPA recommends placing a list for reference near the fire alarm control panel showing the devices contained in each zone.
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In telecommunications, structured cabling is building or campus cabling infrastructure that consists of a number of standardized smaller elements (hence structured) called subsystems. Structured cabling components include twisted pair and optical cabling, patch panels and patch cables.
Structured cabling is the design and installation of a cabling system that will support multiple hardware uses and be suitable for today's needs and those of the future. With a correctly installed system, current and future requirements can be met, and hardware that is added in the future will be supported.[1]
Structured cabling design and installation is governed by a set of standards that specify wiring data centers, offices, and apartment buildings for data or voice communications using various kinds of cable, most commonly Category 5e (Cat 5e), Category 6 (Cat 6), and fiber-optic cabling and modular connectors. These standards define how to lay the cabling in various topologies in order to meet the needs of the customer, typically using a central patch panel (which is often mounted in a 19-inch rack), from where each modular connection can be used as needed. Each outlet is then patched into a network switch (normally also rack-mounted) for network use or into an IP or PBX (private branch exchange) telephone system patch panel.
Lines patched as data ports into a network switch require simple straight-through patch cables at each end to connect a computer. Voice patches to PBXs in most countries require an adapter at the remote end to translate the configuration on 8P8C modular connectors into the local standard telephone wall socket. In North America no adapter is needed for certain uses: With ports wired in the preferred standard T568A pattern, for the 6P2C plugs most commonly used for single-line phone equipment (e.g. with RJ11), and 6P4C plugs used for two-line phones without power (e.g. with RJ14) and single-line phones with power (again RJ11), telephone connections are physically and electrically compatible with the larger 8P8C socket, but with ports wired as T568B, which is common but often in violation of the standard, only the first pair, i.e. line 1, works.[a] RJ25 and RJ61 connections are physically but not electrically compatible, and cannot be used. In the United Kingdom, an adapter must be present at the remote end as the 6-pin BT socket is physically incompatible with 8P8C.
It is common to color-code patch panel cables to identify the type of connection, though structured cabling standards do not require it except in the demarcation wall field.[specify]
Cabling standards require that all eight conductors in Cat 5e/6/6A cable be connected.
IP phone systems can run the telephone and the computer on the same wires, eliminating the need for separate phone wiring.
Regardless of copper cable type (Cat 5e/6/6A), the maximum distance is 90 m for the permanent link installation, plus an allowance for a combined 10 m of patch cords at the ends.
Cat 5e and Cat 6 can both effectively run power over Ethernet (PoE) applications up to 90 m. However, due to greater power dissipation in Cat 5e cable, performance and power efficiency are higher when Cat 6A cabling is used to power and connect to PoE devices.[1]
Structured cabling consists of six subsystems:[2]
Network cabling standards are used internationally and are published by ISO/IEC, CENELEC and the Telecommunications Industry Association (TIA). Most European countries use CENELEC, International Electrotechnical Commission (IEC) or International Organization for Standardization (ISO) standards. The main CENELEC document is EN50173, which introduces contextual links to the full suite of CENELEC documents. ISO/IEC 11801 heads the ISO/IEC documentation.[3] In the US, the Telecommunications Industry Association issue the ANSI/TIA-568 standards for telecommunications cabling in commercial premises.