MDF MDF - Main Distribution Frame - | MDF Audio Distribution | MDF telephone main distribution frame (100 loops security terminal block), (128 loop test terminal block), security, a main distribution frame rack by the security terminal block, security unit, test terminal block, alarm system, etc., between the user and the PBX play connector cable, wire transfer, protection, alarm and so on. MDF (Main Distribution Frame) with a total distribution frame, main distribution frame | Audio MDF | MDF phone. Main Distribution Frame (MDF), Optical Distribution Frame (ODF), Digital Distribution Frame (DDF), integrated equipment rack, integrated room and other products and construction and maintenance; communication power supply maintenance includes providing lead-acid batteries, low voltage distribution electrical equipment, lightning protection equipment and its maintenance. Production and management of communications products. Three Netcom professional manufacturer of MDF main distribution frame (cabinet), security terminal block, test terminal block, the security unit, MDF security, terminal tools. It has a wide variety, high yield, excellent performance advantages. undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined three Netcom professional production and sales MDF main distribution frame, security terminal block, test terminal block, the security unit, wire cutter, line ancillary facilities. Three FTTX network communication wiring everything, quality assurance! You are always welcome to come to consult! ! ! FTTX central office distribution frame, MDF MDF, DDF digital distribution frame, ODF optical fiber distribution frame. undefined undefined undefined undefined undefined Snap-patch 01-5 03-1 Audio Distribution Audio Distribution Audio Distribution 03-3 03-2 03-4 JPXVI Audio Distribution MDF Product Features: 1, low rack height 6000 loop-sided MDF total height of only 2.6 meters, omit the slide, convenient and safe; 2, the frame is aluminum, the overall appearance. Without drilling on profiles, and other chassis and frame, easy expansion; 3, the contact part with gold plating, to ensure that no oxidation, access to reliable, low resistance; harmony, Arranging, a line number 4, chassis and modules tone one correspondence, make eye-catching; 5, high density, high strength, light weight, compared to other similar domestic products, a small space under the same capacity; 6, inside and outside into the side, jumpers are using a card Crimping tool, convenient and reliable, and fast. Working conditions: Operating temperature: + 5 ℃ - + 40 ℃ Relative humidity: <85% (+ 30 ℃) Atmospheric pressure: <70--106kPa performance indicators: Security Unit Contact resistance: ≤7mΩ Insulation resistance: ≥1000MΩ edge flow Protection: Safety Current: 90mA, 1h no action (ambient temperature + 40 ℃, the test voltage 60VDC) at room temperature DC resistance: ≤22Ω, a, b line resistance difference: ≤2Ω protection: DC breakdown voltage: 190V-- 260V breakdown voltage pulse: ≤800V (1KV / uS rate of voltage rise time) security terminal block, test terminal block the contact resistance: Reed: ≤7mΩ to end: ≤3mΩ Insulation resistance: ≥1000MΩ Dielectric strength: ≥1000VAC (lasted 1min no breakdown, no arc) pull-off force: ≥25N core diameter: 0.40--0.60mm (insulation outer diameter <1.4mm) Ordering Guide: Order No. Size (H × W × D) unit Capacity (loop) Remarks rack (double-sided) JPXVI-1200 2000 × 800 × 1240 架 1200 600L × 2 JPXVI-4000 2200 × 1550 × 1240 架 4000 800L × 5 JPXVI-5000 2400 × 1550 × 1240 架 5000 1000L × 5 JPXVI-6000 2600 × 1550 × 1240 架 6000 1200L × 5 frame (single-sided type) JPX49VI-1200 2000 × 1000 × 300 架 1200 300L × 4 security terminal block AT806 180 × 100 × 98 unit 100 may be dual-card connection test terminal block ST906 90 × 210 × 92 unit 128 may continue dual card security unit FA902H GTG + Polymer PTC only 1 / return line card access tool XQ103 to a domestic / 1000 loop optional online test rope ZXC6 3m root election Optional parts open test rope KLS6 3m root optional signal is only a warning device XGJ6 / column base JZ6 only height stool CD1 three optional operating unit 1 / frame option undefined according to the user room undefined undefined undefined undefined MDF total patch panel connected devices exchange between the cables and into the office telephone office for a variety of capacities, and has a good connection performance and reliable protection. Product sub: I type (card access), II (wrap style), III (double contact card access) three. Features: Press YD / T694-1999 latest standards. The frame is aluminum alloy bar, solid structure, good looks, easy installation. Test terminal block, single-contact-type, double-break style, around the cassette, angled snap reed, reliable connection. Security unit with overvoltage, overcurrent protection and grounding warning function. All operations of the main distribution frame (security device plug, inside and outside the lines and jumper connection and testing) are carried out in front. All plastic parts are flame resistant, flame-retardant performance to GB / T5169.7 in A-level requirements, other indicators are in line with Industry Standard YD / T694-2004 "MDF" technical performance requirements: Operating temperature : +5 ~ + 40 ℃ Relative humidity: 5N pull-off force: ≥25N single strand of plastic insulated wire: wire diameter of 0.32 ~ 0.6mm, maximum diameter (including insulation) ≤1.44mm snap-life> 200 times transmission characteristics (4kHz ~ 2.2MHz): insertion loss ≤ 1.5dB Return Loss ≥ 10 dB Equipment Standard: comply with the relevant provisions of the combustion properties of plastic parts and printed circuit board YD / T694-2004 compliance: GB / T5169.7-1985 of the relevant provisions of undefined undefined undefined undefined undefined undefined undefinedundefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined