58 -- IBS/IDR SATELLITE MODEMS

Notice Date

June 28, 2001

Contracting Office

SPAWARSYSCEN-Charleston, PO Box 190022, N. Charleston, SC 29419-9022

ZIP Code

29419-9022

Solicitation Number

N65236-01-R-0040

Response Due

July 16, 2001

Point of Contact

Ruth Goddard, Code 1113RG, (843)218-4114, Contracting Officer Donna J. Murphy

E-Mail Address

quickg@spawar.navy.mil (quickg@spawar.navy.mil)

Description

This sources sought announcement is issued for the purpose of identifying sources for 19 each universal IBS/IDR Satellite Modems with options. The units will be used with an L3 Communications West SHM-1337 hub multiplexer assembly. Any universal IBS/IDR satellite modem that meets the minimum salient characteristics listed below is acceptable. The requested modem shall be made of all new parts, components and materials with the following minimum salient characteristics: MODULATOR: Modulation BPSK, QPSK, OQPSK, 8PSK; Data Rates: 9.6 kbps to 10 Mbps, 1bps steps; IF Tuning Range: 50 to 180 MHz in 1 Hz steps; L-Band IF: 950 -- 1750 MHz; IF Impedance: 75 , L-Band 50 ; IF Connector: BNC (L-Band, SMA); IF Return Loss: 20 dB minimum; Output Power: -20 to +5.0 dB in 0.1 dB steps; (L-Band, -5 to -30 dB); Output Stability: + 0.5 dB over time and temp; Output Spectrum:Meets IESS 308/309/310 Power Spectral Mask; Spurious: < -55 dBc in any 4 kHz band; On/Off Power Ratio:>60 dB; Scrambler: CCITT V.35 or IBS; Encoder: Veterbi, K=7 at 1/2, 3/4 and 7/8, Rate Sequential 1/2, 3/4; Outer Code Options: Reed-Solomon; Data Clock Source:Internal, External, Rx Recovered; Internal Stability:1 x 10 -6 typical; DEMODULATOR: Demodulation: BPSK, QPSK,OQPSK, and 8PSK; Data Rates:9.6 kbps to 10 Mbps, 1 bps steps; IF Tuning Range:50 to 180 MHz in 1 Hz steps; L-Band IF:950 to 1750 MHz; IF Impedance:75 ,L-Band 50 ; IF Connector: BNC (L-Band, SMA); IF Return Loss:20 dB minimum; Spectrum: INTELSAT IESS 308/309/310 pliant; Input Level:-55 to -25 dBm; Adjacent Channel Rejection Ratio:> +14 dBc; Total Input Power: +10 dBm or +40 dBc (the lesser value);Decoder: Viterbi, K=7 at 1/2, 3/4 and 7/8; Rate Sequential 1/2, 3/4, Trellis ;Decoder Options: Reed-Solomon; Descrambler: CCITT V.35 or IBS; Acquisition Range:Programmable + 1 kHz to + 42 kHz; Sweep Delay Value: 100 msec to 299.9 msec in 100 msec steps; PLESIOCHRONOUS BUFFER: Size:2 ms to 32 ms; Centering:Automatic on underflow/overflow; Centering Modes: IBS: Integral number of frames; IDR: Integral number of multiple frames; Clock: Transmit, External, Rx Recovered or SCT (Internal); DMD 15 MODEM BER PERFORMANCE; Typical Eb/No (Viterbi),Rate 1/2, Rate 3/4; At BER 10-6, 5.4, 6.6; At BER 10-7, 6.0, 7.2, At BER 10-8, 6.6, 7.9; MONITOR AND CONTROL: Transmit and Receive Frequencies; Transmit and Receive Data Rates and Code Rate; Differential Encoding On/Off; Scrambler On/Off; Spectrum Normal/Inverted; Clock Source, Polarity and Frequency; Transmit Carrier On/Off and Tx Level; Tx Test Modes; Demodulator Input Level; Eb/No; Buffer Size, Clock, Center Buffer; Sweep Range and Delay; IDR/IBS Backward Alarms, Modem/Switch Alarms; IDR/IBS Framing, Drop and Insert Mode and Flags;Loopback, (Terrestrial and Satellite); DMD15 DROP AND INSERT; Terrestrial Data: 1.544 Mbps or 2.048 Mbps, G.732/733; Line Coding: AMI or B8Zs for T1 and HDB3 for E1; Framing: D4, ESF or SLC-96 for T1 and PCM30 (30 channels) or PCM31 (31 Channels) for E1; Time Slot Selection:n x 64 contiguous or arbitrary blocks for; Drop and Insert; Time Slots: TS1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30; Data Rates:64, 128, 192, 256, 320, 384, 512, 640, 768,; 960, 1024, 1280, 1536, 1920 kbps;UNIVERSAL INTERFACE: Module (UIM):User Selectable RS-422/449, V.35, T1(DSX1),T2(DSX2), E1(G.703), and E2(G.703); G.703 T1 (DSX1):1.544 Mbps, 100 balanced, AMI and B8ZS; G.703 E1: 2.048 Mbps, 75 unbalanced and 120 balanced, HDB3; G.703 T2 (DSX2): 6.312 Mbps, 75 unbalanced and 110 balanced,HDB3 and B6ZS; G.703 E2: 8.448 Mbps, 75 BNC, unbalanced, HDB3; ITU V.35: Differential, Clock and Data only; RS-422/449: All Rates, Differential, Clock/Data, DCE; RS-232: DCE up to 200 kbps; PHYSICAL REQUIREMENTS; Weight: 9.6 pounds (4.3 Kg); Size: 19" W x 22" D x 1.75" H (48.26 x 43.18 x 4.45 cm); ENVIRONMENTAL REQUIREMENTS: Temperature: Operating Temp: 0 C -- 50 C, 95% humidity, non-condensing; Storage Temp: -20 C -- +70 C, 99% humidity, non-condensing; Prime Power: 100 -- 240 Vac, 50 -- 60 Hz, 1.0 A. Request information regarding specifications, capabilities and pricing. This announcement is only an expression of interest. Future requirements and procurements are uncertain. The Government does not intend to award a contract on the basis of this announcement. For further information contact Gilbert Quick, SPAWARSYSCEN Charleston Code 325GQ, at (843)218-4225. All information supplied should be emailed to quickg@spawar.navy.mil or faxed to (843)218-4360, Attn: Code 323GQ, to arrive no later than 16JULY2001.

Web Link

http://E-Commerce.spawar.navy.mil (http://E-Commerce.spawar.navy.mil)

Record

Loren Data Corp. 20010702/58SOL005.HTM (W-179 SN50Q3B5)