{"id":2041,"date":"2019-11-30T12:40:00","date_gmt":"2019-11-30T12:40:00","guid":{"rendered":"http:\/\/rktelesystem.com\/rktplgroup\/?p=2041"},"modified":"2019-11-30T12:50:31","modified_gmt":"2019-11-30T12:50:31","slug":"primary-reference-source","status":"publish","type":"post","link":"https:\/\/rktelesystem.com\/rktplgroup\/primary-reference-source\/","title":{"rendered":"Primary Reference Source"},"content":{"rendered":"

GPS\/GLONASS primary reference source contains multi-channel GPS\/GLONASS receiver, time scale comparison unit and automatically adjustable Rubidium reference oscillator.The instrument is intended to be used as the first class SDH synchronization equipment of digital networks telecommunication.<\/p>\n

Key applications<\/b>
\nDigital SDH networks clock synchronization.<\/p>\n

Specifications<\/b><\/div>\n

Output signals:<\/b>
\n– 5 and 10 MHz, sine, 1 V into 5 \u03a9 load;
\n– 2.048 MHz, pulse, (ITU-T G.703\/13). Optionally: 2048 kbps, pulse, (ITU-T G.703\/9);
\n– 1 Hz, pulse, TTL levels into 50 \u03a9 load, (1 pps GPS\/GLONASS receiver output).<\/p>\n

Metrological characteristics are given in the table<\/b><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Relative frequency accuracy<\/b><\/td>\n\u2264\u00b13×10\u201312<\/sup><\/td>\n<\/tr>\n
Accuracy (over environment)<\/b><\/td>\n\u2264\u00b11×10\u201311<\/sup><\/td>\n<\/tr>\n
Time accuracy from UTC\/UTC SU, (RMS)<\/b><\/td>\n\u226410 ns<\/td>\n<\/tr>\n
Time errors requirements of ITU-T G.811\/6.1 and ETS 300 462-6\/5.1<\/b><\/td>\n<\/tr>\n
Maximum Time Interval Error<\/b><\/td>\nTime interval
\nt(s)<\/b><\/td>\n		MTIE (ns)<\/b><\/td>\n<\/tr>\n
0.1<t\u22641000< td=””><\/t\u22641000<><\/td>\n0.275t+25<\/td>\n<\/tr>\n
t>1000<\/td>\n0.01t+290<\/td>\n<\/tr>\n
Time Deviation Error<\/b><\/td>\nTime interval
\nt(s)<\/b><\/td>\n		TDEV (ns)<\/b><\/td>\n<\/tr>\n
0.1<t\u22641000< td=””><\/t\u22641000<><\/td>\n3<\/td>\n<\/tr>\n
100<t\u22641000< td=””><\/t\u22641000<><\/td>\n0.03t<\/td>\n<\/tr>\n
1000<t\u226410< td=””><\/t\u226410<><\/td>\n30<\/td>\n<\/tr>\n
Output signal 2.048 MHz jitter<\/b><\/td>\nMeets requirements of
\nITU-T G.811\/6.2;
\nETS 300 462-6\/5.2<\/td>\n		TDEV (ns)<\/b><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Digital control and monitoring <\/b>all operating parameters on LSD display.
\nInterface:\u00a0<\/b>RS-232C; USB. Optionally: NTP-server (Stratum 1); SiRF time protocol.
\nPower:\u00a0<\/b>AC 220 V; 50 Hz, or DC: (38.4\u00f757.6) V, double inputs (have to be determined in purchase order).
\nPower consumption:\u00a0<\/b>45 W in normal conditions (85 W warm up time 1 hour).\u00a0Dimensions (W\u00d7H\u00d7D):\u00a0<\/b>483mm\u00d7133mm\u00d7310mm.
\nAntenna:\u00a0<\/b>dimensions 185mm\u00d7\u2205181mm. Weight 0.5 kg. Antenna cable’s lenght is 60 m.\u00a0Weight:\u00a0<\/b>10 kg.
\nWarranty:\u00a0<\/b>3 years.
\nLife time:\u00a0<\/b>15 years.<\/p>\n

Ready to learn more?\u00a0Contact us<\/a> to find the right configuration for your PRC\/PRS needs.<\/p>\n","protected":false},"excerpt":{"rendered":"

GPS\/GLONASS primary reference source contains multi-channel GPS\/GLONASS receiver, time scale comparison unit and automatically adjustable Rubidium reference oscillator.The instrument is […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"sfsi_plus_gutenberg_text_before_share":"","sfsi_plus_gutenberg_show_text_before_share":"","sfsi_plus_gutenberg_icon_type":"","sfsi_plus_gutenberg_icon_alignemt":"","sfsi_plus_gutenburg_max_per_row":"","footnotes":""},"categories":[18],"tags":[],"class_list":["post-2041","post","type-post","status-publish","format-standard","hentry","category-time-synchronization"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/rktelesystem.com\/rktplgroup\/wp-json\/wp\/v2\/posts\/2041","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rktelesystem.com\/rktplgroup\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rktelesystem.com\/rktplgroup\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rktelesystem.com\/rktplgroup\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rktelesystem.com\/rktplgroup\/wp-json\/wp\/v2\/comments?post=2041"}],"version-history":[{"count":0,"href":"https:\/\/rktelesystem.com\/rktplgroup\/wp-json\/wp\/v2\/posts\/2041\/revisions"}],"wp:attachment":[{"href":"https:\/\/rktelesystem.com\/rktplgroup\/wp-json\/wp\/v2\/media?parent=2041"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rktelesystem.com\/rktplgroup\/wp-json\/wp\/v2\/categories?post=2041"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rktelesystem.com\/rktplgroup\/wp-json\/wp\/v2\/tags?post=2041"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}