VA 27 15 00-2006 COMMUNICATIONS HORIZONTAL CABLING.pdf
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1、10-06M 27 15 00 - 1 SECTION 27 15 00 COMMUNICATIONS HORIZONTAL CABLING (IT IS REQUIRED THAT ALL VETERANS HEALTH ADMINISTRATION (VHA) TELECOMMUNICATION CABLE DISTRIBUTION (AND/OR SIGNAL) PLANTS AND/OR SYSTEMS CONFORM TO THIS DOCUMENT. IT IS THE RESPONSIBILITY OF THE SPEC WRITER TO SELECT, EDIT, DELET
2、E, AND RENUMBER THE APPROPRIATE PORTIONS OF IN THIS DOCUMENT TO CONFORM TO THE RESPECTIVE DISTRIBUTION SYSTEM WHERE DEVIATIONS OCCUR IN ORDER TO PROVIDE THE RESPECTIVE SYSTEM. THE SPEC WRITER SHALL CONTACT THE APPROPRIATE AUTHORITIES BELOW FOR TECHNICAL ASSISTANCE AND APPROVAL BEFORE THE FINAL CONTR
3、ACT DOCUMENT CAN BE APPROVED) SPEC WRITER NOTES: 1. Contact Department of Veterans Affairs, Veterans Health Administration (VHA), Telecommunications Support Service (TSSO- 005N2), Telephone (301/427-3950) for technical assistance. 2. Edit between /-/. Delete if not applicable to project. Also delete
4、 any other item or paragraph not applicable in the section and renumber the remaining paragraphs. DEFER TO VHA TSSO-005N2 FOR TECHNICAL ASSISTANCE AND APPROVAL CONCERNING ALL ISSUES. PART 1 - GENERAL 1.1 DESCRIPTION A. This Section specifies the furnishing, installing, certification, testing, and gu
5、aranty of a complete and operating Voice and Digital Cable Distribution System (here-in-after referred to as “the System”), and associated equipment and hardware to be installed in the VA /Medical Center/, /, Out Patient Clinic/ /, Nursing Home Care Unit/ /, Domiciliary/ /, or_/ here-in-after referr
6、ed to as “the Facility”. The System shall include, but not be limited to: equipment cabinets, interface enclosures, and relay racks; necessary combiners, traps, and filters; and necessary passive devices such as: splitters, couplers, cable “patch”, “punch down”, and cross-connector blocks or devices
7、, voice and data distribution sub-systems, and associated hardware. The System shall additionally include, but not be limited to: telecommunication closets (TC); telecommunications outlets (TCO); copper and fiber optic /, and analog radio frequency (RF) systems coaxial / distribution cables, connect
8、ors, “patch” cables, and/or “break out” devices. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-06M 27 15 00 - 2 B. The System shall be delivered free of engineering, manufacturing, installation, and functional defects. It shall be designed, engi
9、neered and installed for ease of operation, maintenance, and testing. C. The term “provide”, as used herein, shall be defined as: designed, engineered, furnished, installed, certified, and tested, by the Contractor. D. The Voice and Digital / and Analog / Telecommunication Distribution Cable Equipme
10、nt and System provides the media which voice and data information travels over and connects to the Telephone System which is defined as an Emergency Critical Care Communication System by the National Fire Protection Association (NFPA). Therefore, since the System connects to or extends the telephone
11、 system, the Systems installation and operation shall adhere to all appropriate National, Government, and/or Local Life Safety and/or Support Codes, which ever are the more stringent for this Facility. At a minimum , the System shall be installed according to NFPA, Section 70, National Electrical Co
12、de (NEC), Article 517 and Chapter 7; NFPA, Section 99, Health Care Facilities, Chapter 3-4; NFPA, Section 101, Life Safety Code, Chapters 7, 12, and/or 13; Joint Commission on Accreditation of Health Care Organization (JCAHCO), Manual for Health Care Facilities, all necessary Life Safety and/or Supp
13、ort guidelines; this specification; and the original equipment manufacturers (OEM) suggested installation design, recommendations, and instructions. The OEM and Contractor shall ensure that all management, sales, engineering, and installation personnel have read and understand the requirements of th
14、is specification before the System is designed, engineered, delivered, and provided. E. The VA Project Manager (PM) and/or if delegated, Resident Engineer (RE) are the approving authorities for all contractual and mechanical changes to the System. The Contractor is cautioned to obtain in writing, al
15、l approvals for system changes relating to the published contract specifications and drawings, from the PM and/or the RE before proceeding with the change. F. System Performance: 1. At a minimum, the System shall be able to support the following voice and data / and analog RF / operations for Catego
16、ry 6 Certified Telecommunication Service: a. Provide the following interchange (or interface) capabilities: 1) Basic Rate (BRI). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-06M 27 15 00 - 3 2) Primary Rate (PRI). b. ISDN measured at / _ /: 1)
17、Narrow Band BRI: a) B Channel: 64 kilo-Bits per second (kBps), minimum. b) D Channel: 16 kBps, minimum. c) H Channel: 384 kBps, minimum. 2) Narrow Band PRI: a) B Channel: 64 kBps, minimum. b) D Channel: 64 kBps, minimum. c) H Channel: 1,920 kBps, minimum. 3) Wide (or Broad) Band: All channels: 140 m
18、ega(m)-Bps, minimum, capable to 565 mBps at “T” reference. c. ATM operation and interface: ATM 155 mBps measured at / _. / d. Frame Relay: All stated compliances measured at / _. / e. Integrated Data Communications Utility (IDCU) operation and interface: Measured at / _. / f. Government Open Systems
19、 Interconnection Profile (GOSSIP) compliant: Measured at / _. / g. Fiberoptic Distributed Data Interface (FDDI): A minimum 100 mBps to a maximum of 1.8 giga(g)-Bps data bit stream speed measured at / _ / (shall be Synchronous Optical Network SONET compliant). h. System Sensitivity: Satisfactory serv
20、ice shall be provided for at least 3,000 feet for all voice and data / and analog RF / locations. / i. Other _ / 2. At a minimum the System shall support the following operating parameters: a. EPBX connection: 1) System speed: 1.0 gBps per second, minimum. 2) Impedance: 600 Ohms. 3) Cross Modulation
21、: -60 deci-Bel (dB). 4) Hum Modulation: -55 dB. 5) System data error: 10 to the -10 Bps, minimum. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-06M 27 15 00 - 4 6) Loss: Measured at the frame output with reference Zero (0) deciBel measured (dBm)
22、 at 1,000 Hertz (Hz) applied to the frame input. a) Trunk to station: 1.5 dB, maximum. b) Station to station: 3.0 dB, maximum. c) Internal switch crosstalk: -60 dB when a signal of + 10 deciBel measured (dBm), 500-2,500 Hz range is applied to the primary path. d) Idle channel noise: 25 dBm “C” or 3.
23、0 dBm “O” above reference (terminated) ground noise, whichever is greater. e) Traffic Grade of Service for Voice and Data: (1) A minimum grade of service of P-01 with an average traffic load of 7.0 CCS per station per hour and a traffic overload in the data circuits will not interfere with, or degra
24、de, the voice service. (2) Average CCS per voice station: The average CCS capacity per voice station shall be maintained at 7.0 CCS when the EPBX is expanded up to the projected maximum growth as stated herein. b. Telecommunications Outlet (TCO): 1) Voice: a) Isolation (outlet-outlet): 24 dB. b) Imp
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