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OPTIONAL FEATURES LIST for 1804/1814
UNITS
Grey rows indicate standard features.
Some combinations of options may be mutually exclusive (consult factory)
Non-standard features are normally extra-cost items.
POWER [1804 or 1814]
|
Item |
Detail |
Notes |
|
ac voltage |
230V only |
Range 198 to 264V rms |
|
ac voltage |
115V only |
Range 99 to 132V rms |
|
ac voltage |
115/230V switched |
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ac on/off switch |
front |
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ac on/off switch |
rear |
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ac on/off switch |
none |
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ac connector |
IEC |
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ac connector |
MIL-C-38999 |
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ac frequency |
50/60Hz |
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ac frequency |
45 to 440Hz |
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dc input voltage |
+24V nominal |
7-pin profDIN connector |
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dc input voltage |
+12V nominal |
7-pin profDIN connector |
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dc on/off switch |
front |
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dc on/off switch |
none |
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dc output |
Rear 8-pin profDIN |
188x/189x ACU/Distrib. units only |
FREQUENCY OUTPUTS -- CONNECTIVITY [1804 only]
|
Item |
Detail |
Notes |
|
1 only sine |
|
+10dBm (adjustable +7 to +13)
|
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3 x sine plus 1 x TTL |
Main pcb |
+10dBm (adjustable +7 to +13
plus TTL 50ohm drive
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4 x sine |
Main pcb |
+10dBm (adjustable +7 to +13)
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4 x RS422 |
15-way 'D' conn (cabled) |
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9 x sine |
4 sine main pcb
5 sine buffer pcb
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+10dBm (adjustable +7 to +13)
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8 x sine plus 1 x TTL |
3 sine plus TTL main pcb
5 sine buffer pcb
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+10dBm (adjustable+7 to +13)
plus TTL 50ohm drive
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TIMING OUTPUTS [1804 or 1814]
|
Item |
Detail |
Notes |
|
1 x 1Hz TTL |
BNC |
TTL 50ohm drive |
|
2 x 1Hz TTL |
Main pcb plus fx (cabled) BNCs |
TTL 50ohm drives |
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6 x 1Hz TTL |
1 main pcb, 5 buffer pcb BNCs |
TTL 50ohm drives |
REFERENCE FREQUENCY (fixed) [1804 only]
|
Item |
Detail |
Notes |
|
10MHz |
Oscillator |
|
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5MHz |
Oscillator |
No extra cost |
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10MHz and 5MHZ |
Oscillator + fx / sine buffer |
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Special (Oscillator) |
12.8MHz, 8.192MHz etc |
Long lead-times, up to 16 weeks may apply for certain
non-standard oscillator frequencies |
AUXILIARY FREQUENCY OUTPUTS (fx) [1804 only]
|
Item |
Detail |
Notes |
|
Reference (Oscillator) frequency
Integer division by 1 to 100
|
TTL 50ohm drive |
Mutually exclusive with other options. Consult
Factory
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SPECIAL FREQUENCY (Synthesiser) OUTPUTS [1804
only]
|
Item |
Detail |
Notes |
|
10kHz to 5.00MHz
Setting resolution is 10 milliHertz
|
Standard synthesiser pcb assy.
2 x sine outputs
1 x TTL output
1 x RS422 output
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Sine +10dBm
(adjustable +7 to +13)
TTL 50ohm drive
RS422 on BNO conn.
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10kHz to 10.7MHz |
ditto |
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10kHz to 13MHz |
ditto |
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G703.10 E1 |
Telecom Synthesiser pcb assy.
3 x ITU G703.10
75ohm Co-axial pair outputs
at 2.048MHz E1
also
G703.10 EXT. REF. Input
May be E1, T1, 10MHz or 5MHz
(ITU or sine or TTL level -- fall-back reference during GPS loss)
|
(or 1.544MHz T1)
Ext Ref Input frequency is link-selected |
TIMECODE OUPUTS
[1804 or 1814]
|
Item |
Detail |
Notes |
|
Standard - Single o/p |
1 of 4 codes
IRIG-A, -B, XR3, 2137
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User-select (via RS232) |
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Standard on
1814B |
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Dual -Two o/ps |
1 of 4 codes at each o/p
IRIG-A, -B, XR3, 2137
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Port 1: RS232 select
Port 2: Hardware (pcb link select)
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Special |
eg SMPTE longitudinal |
Factory fit, Single code,TTL/RS232 |
SERIAL DATA/CONTROL PORTS [1804 or 1814]
|
Item |
Detail |
Notes |
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Control port (RS232) |
Rapco Protocols |
Terminal (broadcast) and
Remote (control) modes.
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2nd Control port (RS232) |
Protocols as Port 1 |
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2nd Control port (RS422) |
Protocols as Port1 |
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Special (RS232 or 422) |
User-defined protocols |
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Date-time broadcast
RS422, output only
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Connector profDIN
option 'D' type
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To remote display units
eg Rapco 419, or server ports
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MECHANICAL [1804 or 1814]
|
Item |
Detail |
Notes |
|
TNC Connectors |
Replacing BNC in some panel locations |
Consult Factory |
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Monitor outputs (Timing/Frequency) |
Front panel connectors |
Consult Factory |
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Rack-slide fixing points |
Tapped holes each side |
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REFERENCE OSCILLATOR -- Types available [1804
or 1814]
|
Type |
Model |
Notes |
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TCXO |
GTXO-530V |
1814 only |
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Single-oven SC OCXO |
360SC |
Lower cost |
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Hi-spec, single-oven
SC OCXO |
660SC |
Low drift and low Ø-noise |
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Hi-spec, single-oven
SC OCXO (Fast warm-up)
|
665SC |
1E-8 in 2.5 mins
(+25OC ambient)
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Ultra-Hi-spec, single-oven
SC OCXO |
760SC |
Lowest drift and Ø-noise |
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Rubidium Atomic |
LPRO/LPFRS |
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