Glossary
Terms used across the three tracks.
Access Control
- Access Manager
- Security Center role that syncs and monitors access control units
- Access rule
- Synergis entity: who, grant or deny, and when
- AHJ
- Authority Having Jurisdiction: the official who interprets and enforces code
- Antipassback (APB)
- Prevents a credential being used to enter twice without exiting
- Area
- Synergis entity grouping perimeter and captive doors
- Cardholder group
- Collection of cardholders that rules are assigned to
- ClearID
- Genetec's cloud self-service PIAM solution
- COM / NO / NC
- Common, normally open, normally closed relay terminals
- CSN
- Card serial number (chip UID)
- DPS
- Door position switch (door contact)
- EOL resistor
- Resistor at the device that enables input supervision
- Facility code
- Site number encoded in a card format
- Fail-safe / fail-secure
- Unlocked / locked on power loss
- Flyback diode
- Diode across a DC lock coil to suppress voltage spikes
- GCS
- Global Cardholder Synchronizer role for multi-system cardholder sharing
- Interlock
- Only one door of an area may be open at a time
- OSDP
- Open Supervised Device Protocol, an RS-485 reader standard from SIA
- PIAM
- Physical Identity and Access Management
- REX
- Request to exit device
- SCL
- Synergis Cloud Link controller appliance
- Secure Channel
- OSDP's AES-128 encrypted mode
- Threat level
- Predefined scenario that changes system behaviour when activated
- Unlock schedule
- Time when a door is unlocked for everyone
- Wiegand
- Legacy one-way reader interface using D0 and D1 lines
Video Surveillance
- ABR
- Average bitrate: Axis rate-control mode targeting an average bitrate over a retention period
- Archive transfer
- Security Center feature that copies recordings from edge devices or between Archivers
- Archiver
- Security Center role that controls video units and manages the video archive
- Auxiliary Archiver
- Security Center role that supplements the Archiver's video archive and can archive any camera
- AV1
- Royalty-free video codec from the Alliance for Open Media; supported on Axis ARTPEC-9 cameras
- CBR
- Constant bitrate: fixed bitrate, quality varies
- Codec
- Encoder/decoder that compresses video, e.g. H.264, H.265, AV1
- Directory
- Security Center role that manages configuration, authentication, licensing, events and alarms; one per system
- DORI
- Detection, Observation, Recognition, Identification: 25 / 62.5 / 125 / 250 px/m per IEC 62676-4:2014
- Edge recording
- Recording to storage in the camera (e.g. SD card)
- Federation
- Security Center feature to monitor entities from other independent Security Center systems
- FOV
- Field of view: the area the camera sees, set by lens focal length and sensor size
- GOP
- Group of pictures: frames from one I-frame to the next
- H.264 / AVC
- Widely supported video codec (ITU-T H.264)
- H.265 / HEVC
- Successor to H.264 designed for roughly half the bitrate at equal quality
- I-frame
- Complete, independently decodable frame (key frame)
- IGMP snooping
- Switch feature that forwards multicast only to ports that joined the group
- LPR / ANPR
- License plate recognition / automatic number plate recognition
- MBR
- Maximum bitrate: VBR with a ceiling (Axis term)
- Media Gateway
- Security Center role that transcodes video for web/mobile clients and exposes RTSP
- Media Router
- Security Center role that routes all audio/video streams; one per system
- MJPEG
- Motion JPEG: every frame is a separate JPEG
- Multicast
- One stream sent to a group address and replicated by the network to receivers
- Multisensor
- Camera with several independently aimed sensors in one housing
- NDAA Section 889
- US law (FAR 52.204-25) restricting covered telecom/video equipment from Huawei, ZTE, Hytera, Hikvision, Dahua
- Omnicast
- Genetec's video management system within Security Center
- OODPCVS
- The seven image-detail levels of IEC 62676-4:2025 (Overview … Scrutinize)
- P-frame
- Predicted frame storing changes from a previous frame
- PoE / PSE / PD
- Power over Ethernet; power sourcing equipment (switch); powered device (camera)
- PPM / PPF
- Pixels per metre / per foot across the scene at the target
- PTZ
- Pan-tilt-zoom camera
- RTSP
- Real Time Streaming Protocol, used to set up video streams
- Security Center SaaS
- Genetec's SaaS edition of Security Center, using Cloudlink appliances on site
- Signed video
- Cryptographic signature in the stream to prove footage has not been altered
- VBR
- Variable bitrate: holds quality, bitrate varies with scene
- VMS
- Video management system
- WDR
- Wide dynamic range: handling bright and dark areas in one scene
- Zipstream
- Axis smart-codec technology: dynamic ROI, dynamic GOP and dynamic FPS
Sales Engineering
- BOM
- Bill of materials: every hardware, software, licence and service line in the proposal
- Compliance matrix
- Line-by-line response to each RFP requirement: comply, partial or exception
- Discovery
- Structured conversations and site walks to understand problems, impact and constraints before designing
- Pilot / PoC
- Small, time-boxed proof with agreed success criteria
- RFP / RFQ / RFI
- Request for proposal / quotation / information
- Technical win
- Point where the customer's technical evaluators agree the solution meets their requirements
- Traceability matrix
- Mapping from each requirement to the design elements that satisfy it