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| Rapco Master Clock Features Chart |
| Model |
2804 |
1804 |
1814 |
| Power |
| Standard |
110/115/120/220/230/240VAC ±10%, 50/60 Hz, IEC connector, and 12/24/48 VDC, 7-pin profDIN connector, front DC on/off switch |
230 VAC (198-268V rms), 50/60 Hz, no on/off switch, IEC connector, +24 VDC on 7-pin profDIN connector, front DC on/off switch |
| Optional |
contact factory |
115VAC, 115/230 VAC switching, 45 to 440 Hz AC frequency, Front AC on/off switch, Rear AC on/off switch, +12 VDC, Rear DC on/off switch |
| Frequency Outputs |
| Standard |
4x sine plus 2x TTL from main PCB (+10 dBm, factory adjustable +7 to +13, plus TTL 50 ohm drive) |
3x sine plus 1x TTL from main PCB (+10 dBm, adjustable +7 to +13, plus TTL 50 ohm drive) |
n/a |
| Optional |
additional 5x
additional 5x at 1/2F
1x at pre-set ratio of F
|
1 only sine, 4x sine from main PCB, 4x RS-422 15-way D conn (cabled), 9x sine, 8x sine plus 1x TTL, Reference (oscillator) frequency divided by integer from 1 to 100, TTL 50 ohm drive(mutually exclusive with other options) |
n/a |
| Timing Outputs |
| Standard |
2x 1 Hz TTL (BNC 50 ohm drive) |
1x 1 Hz TTL (BNC 50 ohm drive) |
| Optional |
5x 1 Hz TTL |
2x 1 Hz TTL, 6x 1 Hz TTL |
| Reference Frequency Fixed |
| Standard |
10 MHz oscillator |
n/a |
| Optional |
5 MHz oscillator at no extra cost, 10 MHz and 5 Mhz oscillator + fx sine buffer, Special oscillator, 12.8 MHz, 8.192 MHz, etc. (long lead times, up to 16 weeks, may apply) |
n/a |
| Special Frequency, Synthesiser Outputs |
| Optional |
10kHz to 5.00MHz, 10 milliHertz resolution, from standard synthesizer PCB, 2x sine (+10 dBm adjustable +7 to +13), 1x TTL (50 ohm drive), 1x RS-422 on BNO connector, 10 kHz to 10.7 MHz, same as above, E1 per G703.10, from telecom synthesiser PCB assy, 3 x ITU G703.10 (75ohm Co-axial pair outputs) at 2.048MHz E1, T1 at 1.544 MHz, same as above |
n/a |
| External Reference Input Frequency (in case of GPS loss) |
| Optional |
contact factory |
E1, T1, 10MHz or 5MHz (ITU or sine or TTL level) |
n/a |
| Time Code Outputs |
| Standard |
2x of 1 of 4 codes (IRIG-A, IRIG-B, XR3, 2137), user-select via RS-232, Date/time broadcase via RS-422(remote displays) via profDIN option D type |
1x of 1 of 4 codes (IRIG-A, IRIG-B, XR3, 2137), user-select via RS-232 |
none |
| Optional |
4x of 1 of 4 codes, Special code e.g. SMPTE longitudinal (factory fit) |
2x of 1 of 4 codes, Special code e.g. SMPTE longitudinal (factory fit), Date/time broadcase via RS-422(remote displays) via profDIN option D type |
| Control Port |
| Standard |
Rapco protocol via RS-232, terminal (broadcast) and remote (control) modes |
| Optional |
Contact factory |
2nd control port (RS-232), same protocol, 2nd control port (RS-422), same protocol, Special control port (RS-232 or 422) user-specified protocol |
| Mechanical |
| Optional |
TNC connectors replacing BNC in some panel locations, Monitor outputs (time/frequency) front panel connectors, Rack-slide fixing points (tapped holes on each side) |
| Reference Oscillator Type |
| Standard |
Hi-spec, single-oven, SC OCXO (fast warm-up) ref: 665SC |
TCXO ref GTXO-530V |
| Optional |
Rubidium atomic ref: LPRO/LPFRS |
Ultra-Hi-spec, single-oven, SC OCXO (lowest drift and phase-noise) ref: 760SC, Rubidium atomic ref: LPRO/LPFRS |
Single-oven SC OCXO (low cost), ref: 360SC, Hi-spec, single-oven, SC OCXO (low drift and phase-noise) ref: 660SC |
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