Abstract: Disclosed are breathing apparatus comprising lighting systems. Lighting modules are provided to illuminate in vertical and horizontal directions and to illuminate in a first lighting pattern if the determined status condition is a normal status condition and in a second lighting pattern if the determined status condition is an alert status condition.

Abstract: Disclosed is an adjustable support frame for a breathing apparatus having an adjustable longitudinal dimension and a user-facing side configured to substantially overlay a user's back in use, the adjustable support frame comprising: a first frame portion and a second frame portion, the first and second frame portions being moveable relative to each other so as to adjust the longitudinal dimension; an adjustment mechanism having a locked configuration which inhibits relative movement of the first and second frame portions and an unlocked configuration which permits relative movement of the first and second frame portions; wherein the adjustment mechanism comprises one or more actuating elements which are operable to actuate the adjustment mechanism from the locked configuration to the unlocked configuration, the one or more actuating elements being provided on a surface which is substantially perpendicular to the user-facing side of the support frame.

Abstract: Described herein is a support for a breathing apparatus comprising: a cylinder cradle comprising a retaining surface for retaining a cylinder of compressed gas; and a cylinder glider comprising a gliding element, the gliding element configured to support the cylinder above the retaining surface; wherein the cylinder glider is longitudinally separated from the retaining surface of the cylinder cradle. Also described is a breathing apparatus, optionally a self-contained breathing apparatus, comprising a support.

Abstract: Disclosed is a cylinder-retaining apparatus for a breathing apparatus comprising first and second fixing point and a strap apparatus secured to the first fixing point and the second fixing point. The strap apparatus forms a main strap loop for extending around and securing one or more cylinders. The cylinder-retaining apparatus is configurable in: i) an expanded configuration in which the main strap loop provides a first effective length for securing a first number of cylinders; and ii) a contracted configuration in which a portion of a strap of the strap apparatus is folded to form a secondary strap loop and the secondary strap loop is secured to a third fixing point such that the main strap loop forms a second effective length which is shorter than the first effective length and for securing a second number of cylinders less than the first number of cylinders.

Abstract: A technique efficiently correlates information pertaining to host and physical unit (PU) entities of a data link switching (DLSW) network comprising multiple source-route-bridge subnetworks interconnected by DLSw routers in a multi-hop peer connection topology. A DLSw peer connection is established between a local DLSw router and its remote “peer” DLSw router over each IP cloud; each DLSw peer connection manifests as a DLSw circuit that is identified by, inter alia, a data link identifier comprising attachment addresses of the host and PU entities. The inventive technique efficiently correlates SNA-specific information relating to the host and PU entities with IP-specific information relating to the DLSw routers to draw the multi-hop network topology needed to assist in problem isolation.

Abstract: A technique identifies a data session flowing through entities of a multi-protocol network based on information contained within a service request provided by a user of the network and without requiring knowledge of the protocols used by the session. A translation server translates the service request into session parameters for use by a correlation engine. The correlation engine creates at least one filter containing searching criteria pertaining to the session and passes the filter to at least one protocol server configured to obtain specific protocol-related information pertaining to the session. The protocol server searches a repository for information matching the filter and, if found, returns a list of sessions.

Abstract: A technique efficiently correlates information pertaining to entities of a mixed Advanced Peer to Peer Networking (APPN) and Data Link Switching (DLSW) computer network. The entities comprise System Network Architecture (SNA) host mainframe (“host”) and physical unit (PU) entities, along with DLSw and APPN/DLSw devices. The technique involves identifying a SNA session path as using Dependent Logical Unit Requester (DLUR) services of the APPN/DLSw device and thereafter obtaining media access control (MAC)/service access point (SAP) information needed to correlate the SNA session to the DLSw peer devices. The inventive technique then proceeds to efficiently correlate information relating to the DLUR and PU with information relating to the devices to draw the mixed network topology needed to assist in problem isolation.

Abstract: A technique efficiently creates a database used to correlate information identifying data session traffic exchanged between entities of a computer network with information relating to multi-protocol intermediate devices configured to carry the session traffic throughout the network. The intermediate devices are preferably routers configured to carry System Network Architecture (SNA) session traffic between SNA entities comprising a host network connection and a physical unit (PU) station. The host network connection utilizes a channel-attached router for connectivity with a host computer. The technique allows a network management station (NMS) program to establish a NMS database by obtaining a PU name associated with an active SNA session without requiring a presence on or continual communication with a virtual telecommunication access method on the host.