The 5601MSC Master Sync and Clock Generator is a broadcast quality, master sync pulse generator (SPG) and a master clock. It provides all of the synchronizing signals needed in a 21st century TV station or post production facility at the same time as solving the problem of locking the in-house master clock system to the master video sync pulse generator.
A high stability, temperature controlled oscillator, provides the 5601MSC with better than 1.0x10-8 (or 0.01ppm) frequency reference. The free running drift of this 10MHz reference will be less than 0.1Hz (which amounts to less than one millisecond time drift per day). This guarantees that any frequency drift, with time and temperature, will be within the tolerances expected from the best SPGs or master clocks available in the industry. The 5601MSC may also be referenced to an external 5MHz or 10MHz master oscillator if higher stability is required. Both the SPG and the Master Clock section of the 5601MSC may be referenced to high stability time and frequency standards present in the Global Position System (GPS) by adding the GPS option (+GP). The 5601MSC may also be referenced to high stability time and frequency standards present in the Global Navigation Satellite System (GLONASS) by adding the GPS/GLONASS option (+GPSG).
The SPG section of the 5601MSC provides six timeable reference outputs. These six BNC outputs may be configured to provide independently timed color black (black burst) outputs or independently timed HDTV tri-level sync outputs. Each color black output can optionally carry vertical interval time code (VITC) on a user specified set of lines. Additionally, each output can provide 10MHz, 5MHz, PAL Subcarrier, NTSC Subcarrier, 1 PPS, 1/1.001 PPS, 6/1.001 PPS, PAL color frame pulse and 48kHz wordclock.
When referenced to the optional GPS receiver, the start of the NTSC four field sequences, or the PAL 8 field sequence, will coincide with a specific point in the GPS code. In this way, by referencing all the 5601MSCs in a system to GPS, they will all be automatically locked to each other. This is ideal for applications requiring remote facility frequency, phase and time locked! GPS heads may be remoted from the unit with standard 50ft. cables included or optional 100ft. & 400ft. weatherproof cables. For remote GPS head requirements of greater than 400ft. or fiber optic isolation, GPS Data Fiber Transmitters & Receivers are also available (7707GPS-DT, 7707GPS-DR).
On the 5601MSC, the master clock section provides two longitudinal timecode (LTC) or optional IRIG outputs on XLR connectors and a 15-pin D connector. The time code may be set from the front panel or referenced to a number of different sources.
Having two LTC outputs provides the ability to drive 24 and 30 Fps, or dropframe and non-drop frame timecode simultaneously. Time may be externally referenced to GPS or via modem to a high-level time source or extracted from VITC on the reference input. Time derived from such sources can be offset from UTC to a specific time zone as required. Time may be externally referenced to GPS, modem, or VITC or GLONASS, LTC, IRIG or SNTP. The 5601MSC can provide RFC-1305 compliant NTP via Ethernet, and operates in broadcast and server mode. The 5601MSC can act as a PTP/IEEE-1588 server on its time port. GPS, NTP, PTP and Modem access are all options. The 5601MSC includes a battery backed-up real time clock to maintain its time while power is not applied to the unit.
On the 5601MSC, a wordclock output is a standard feature. It provides a 48kHz wordclock or may be configured as an additional sync output. Also, the 10MHz output provides 10MHz or 5MHz, or may be configured as an additional sync output.
There are four test signal generator options available. The SDTG option provides two composite analog video test generators, two AES and one DARS outputs (both balanced and unbalanced), and two balanced analog audio tone channels. The SDTG option also provides four standard definition SDI test signal generators. The HDTG option includes all features of the SDTG option and adds support for HD formats. The 3GTG option includes all features of the HDTG option and adds support for dual-link and 3G formats. Each test generator has two outputs and a large suite of test signals available. When the 3GTG option is ordered, 3D test signals are also available. In the 4K/UHDTV mode the four test generators are combined into one quad-link test generator.
The 5601MSC offers an optional redundant power supply. The redundant power supplies and fans are hot-swappable.
Two 5601MSC units in combination with an Automatic Change Over (model 5601ACO2) provide an extra degree of reliability. Again, the ACO provides relay changeover for the two LTC outputs, the six sync pulse outputs, the 10MHz reference output, wordclock and the GPI/O interface. The model 5601ACO2 also provides changeover for all the optional test generator signals.
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