IMS - XHERb : External Holdover Expansion
Key Features
- XHERb unit provides holdover synchronization reference for connected IMS unit
- Holdover duration: 72 hours at stratum 1 level performance
Product Description
Characteristics
Dimensions of the front panel | 14HP/3U (70mm x 128mm) |
Electrical Connectors | 64 pin rear VG edge connector DIN 41612 |
Frequency Retrace | ± 5E-11 (72 hrs. off then 72 hrs. on) |
Power Consumption | Power Consumption Single Rubidium Module (typ.):
during Warm Up ca. 80 W during Operation ca. 30 W |
Operating Voltage | 2 x AC/DC Power Supply: UN = 100-240 V AC (50/60 Hz) / 110-240 V DC Umax = 90-253 V AC / 100-330 V DC or 2 x DC Power Supply: UN = 48 V DC Umax = 20-60 V DC or AC/DC | DC Combination Power Supply |
Oscillator Aging | Aging (after 30 days):
monthly: 5E-11 yearly: 5E-10 |
Board Dimensions | 160 mm x 100 mm, 1,5 mm Epoxy |
Warm Up Time |
< 15 minutes (time to lock)
< 20 minutes (time to 1E-9) |
Temperature Drift | +/- 1E-10 (-20°C...65°C) |
Short Term Stability (Tau = 1 sec) | (Allan Variance)
< 2E-11 (1 s) < 1E-11 (10 s) < 2E-12 (100 s) |
Physical Dimensions | 483mm x 132mm x 275mm / Width x Height x Depth |
Supported Temperature | 0 ... 40 °C |
Supported Humidity | Max. 85 % (non-condensing) at 40 °C |
Technical Support | Meinberg offers free lifetime technical support via telephone or e-mail. |
Warranty | Three-year warranty |
RoHS Status of Product | This product is fully RoHS-compliant. |
WEEE Status of Product | This product is handled as a B2B (Business to Business) category product. To ensure that the product is disposed of in a WEEE-compliant fashion, it can be returned to the manufacturer. Any transportation expenses for returning this product (at end-of-life) must be covered by the end user, while Meinberg will bear the costs for the waste disposal itself. |
Downloads
Short Info Sheet
Manuals
Please note that only the most recent manual version is available for download. This manual therefore may not be suitable for all product versions.
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