45CONS/PKOA, 1201 Minuteman St, Patrick AFB, FL 32925-3237

58 -- CONFERENCEING MULTIPLEXER UNIT SOL F08650-95-R-A141 POC Francis Ting, Contract Negotiator, (407) 494-7091 J.M. Hammerling, Contracting Officer, (407) 494-7091. 17. The following items are components of a modular gateway conferencing multiplexer unit for interfacing analog multiple channel voice conferencing network and instruments into an Orion System digital conferencing network communications switch, interface for 24 voice frequency, 600 ohms, 2-wire or 4-wire conferencing network bus circuit interfaces, built in conferencing bridge amplifier, analog to digital conversion, and D3/D4 order time division multiplexing, standard PMC T-1 line rate with bipolar AMI or B8ZS line code, redundant line interface, selectable internal or external clock, redundant -48 V DC and/or 120 V AC primary power, 19 inch EIA rack mounting. Item 0001, Shelf, Gateway Conferencing Multiplexer, slide-in circuit card slots, standard 19 inch EIA rack mounting, rear access panel, redundant power supplies, Telco 25-pair female connectorized VF interfaces, terminal block T-1 line interface. Orion System part number OS32-0130-1 or equal. Two (2) each required. Item 0002, T-1 Line Interface Module, 1.544 Mb/s +/- 100 b/s line rate with Bipolar AMI or B8ZS line code and D3/D4 channel order, PCM, u255 Law, internal free-run or phase locked to external reference oscillator, nominal 100 ohms line impedance, must fit and function in item 0001 Shelf. Orion System part number OS32-0010-1, or equal. Six (6) each. Item 0003, 4-wire VF channel interface module, strappable for 4-wire VF Conference Amplifier with push-to-talk 45 ohm transmit input and 1 ohm receiver output, or 4-wire type I thru type V with MB E&M signaling 600 ohm, two 4-wire channel interface per module, 300 to 3500 Hz +/-3 dB, must fit and function with item 1 shelf, Orion Systems part number OS32-0011-2, or equal. Twenty-six (26) required. Item 0004, Technical Manual for Gateway Conferencing Unit, two (2) each required. The applicable SIC code is 3669 and the Small Business Size Standard is 750 people. Requests for solicitation must be in writing or may be faxed to (407) 494-5560. Requests for solicitation must include telephone number, zip code. It also must indicate if your company is a large, small, or small disadvantaged business. Please submit request for solicitation by 11 May 1995. All responsible sources may submit an offer which shall be considered by the 45th Space Wing. (0115)

Loren Data Corp. http://www.ld.com (SYN# 0376 19950426\58-0002.SOL)