line signaling
11E and M signaling — E M is a type of supervisory line signaling that uses separate leads, called the E lead and M lead, traditionally used in the North American telecommunications industry. There are different E M standards, with 8, 6, 4 and even 2 wires.Number of… …
12Digital Subscriber Line Access Multiplexer — Siemens DSLAM SURPASS hiX 5625 A Digital Subscriber Line Access Multiplexer (DSLAM, often pronounced dee slam) is a network device, located in the telephone exchanges of the telecommunications operators. It connects multiple customer Digital… …
13Register signaling — In telecommunications, register signaling is concerned with conveying addressing information, such as the calling and/or called telephone number.This is to be contrasted with line signaling …
14Paris Métro Line 14 — Line 14 Year opened 1998 Last extension 2007 Rolling stock MP 89 6 carriages per trainset Stations served 9 Terminal stations …
15North American railway signaling — For the actual physical signals, see North American railroad signals. Standards for North American railway signaling in the United States are issued by the Association of American Railroads (AAR), which is a trade association of the railroads of… …
16Differential signaling — This article is about electric signals via wires. For an immunological model attempting to explain how T cells survive selection during maturation, see Differential Signaling Hypothesis. Differential signaling is a method of transmitting… …
17Dual-tone multi-frequency signaling — One of the few production telephone DTMF keypads with all 16 keys, from an Autovon Telephone. The column of red keys produces the A, B, C, and D DTMF events. Dual tone multi frequency signaling (DTMF) is used for telecommunication signaling over… …
18Washington Metro signaling and operation — Red signal ahead of Silver Spring pocket track on the B Route. Signaling and operation on the Washington Metro system involves train control, station identification, train signaling, signage, and train length. As with any working railroad,… …
19Mont Park railway line, Melbourne — VictorianRailwayLineInfobox type = mel name = Mont Park yearcommenced = yearopened = 1911 yearcompleted = yearclosed = 1957 fate = Dismantled lengthkm = stations = 1 tracks = Single track users = servicepattern = Freight only RollingStock =… …
20Erewash Valley Line — MetaSidebar|19%|#eeffff|right|Stations and landmarks Trent Junction Trent station * Long Eaton * Langley Mill Alfreton Tunnel Alfreton Chesterfield * closed The Erewash Valley Line runs from south of Chesterfield along the Erewash Valley to Trent …
