Browse by Category Concept Hardware Lingo Networking Organizations PC's People Programming Protocol Software Telecommunications Verio Telecommunications A-law Duplex OC-1 Attenuation E Channel OC-192 B Channel E.164 OC-256 B8ZS E3 OC-3 Back-Haul EIA-232-D OC-48 Background Noise Electronic Switching System OC-768 Balance Error Ones Density Balanced Error Rate Open Balanced Circuit ESF Open Wire Bandwidth EU Out-of-band signalling Baseband Facilities Pair BECN Facilities Network Paired Cable BER Facility Parity Bit Binary FDL Patch Panel Bipolar Signalling FECN Payload Bit Clock Feedback Phase Bit Synchronous Fiber Optics Phase Modulation BPS Frame Phase-Shift Keying Bridging Frame Relay Pinouts Broadband Framing Point-to-Point Buffer Frequency Division Multiplexing POTS C Bit Frequency Modulation Premises CAP Frequency-Shift Keying PRI Carrier Gain RADSL Carrier System Gigabit Relay Central Office H Channel Remote Access Centrex Half-Duplex RJ-48C CFA HDSL SDSL Channel Hertz Serial Channel Bank IDSL Serial Transmission Circuit ILEC Signal Circuit Noise Level Interface Device Signalling Circuit Switching ISDN Smartjack CO Kbps SMDS Coax Kilobit Span Common Carrier LAPF Splice Connection LATA STP CPE Leased Line Subchannel CSU/DSU Line SVC D Channel Line Noise Switch Room DACS Line Speed Switched 56 Data Communications LOA Switching Data Link Load Synchronous Transmission Data Link Layer Loading Coil T-2 DCE Local Loop T-Carrier Dedicated Line Loopback Test T1 Demarc M23 Tariff Dense Wavelength Division Multiplexing (DWDM) Mbps Telecommunications Dial-up Multiplexing Telephony Digital Multiplexor Telex Digital Facility MUX Time-Division Multiplexing Digital Signal N-ISDN Transmitter Digital Signal Level NID UTP Digital Transmission NIU VDSL Doubler Noise Virtual Circuit DSLAM NT-1 Wireless DSX OC xDSL