IMS-ESI

IMS-ESI

IMS-ESI

Meinberg

2.048MHz, 2.048MBit/s, 1PPS and Variable Frequency Input Card

ESI - Extended Reference Input
The ESI (External Synchronisation Input) card is capable of adding additional Synchronisation sources to an IMS system. It accepts E1 and T1 sources, both as a Bitstream (2.048MBit/s/1.544Mbit/s, supporting SSM/BOC) or Frequency (2.048MHz/1.544MHz).
It also handles a configurable frequency (1 kHz - 20 MHz) and a 1PPS pulse Synchronisation source, if required. An ESI card is, as the MRI card, dedicated to one specific clock module (depending on the slot it is installed in) and can be installed in both ESI as well as MRI slots.
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More Information
Attribute Value
Manual URL https://www.meinbergglobal.com/download/docs/manuals/english/ims-esi.pdf
Relative Humidity Max. 85%
RoHS Yes
Reference Options PPS and variable frequencies unframed, 1 kHz - 20 MHz
2,048 Mbit/s / 1,544 Mbit/s - E1/T1 framed

Input 1 - 1PPS (BNC female connector)
TTL, pulse duration >= 5µs, active high

Input 2 - 1 kHz - 20 MHz (BNC female connector)
sine (400 mVpp - 5 Vpp) or TTL

Input 3 - 1 kHz - 20 MHz (RJ-45)
400 mVpp - 5 Vpp into 120 Ohm, TTL

Input 4 - E1 or T1 framed G.703 (RJ-45)
max. attenuation -12 dB (referred to the signal level) into 120 Ohm
Status info Status info by 4 LED light indicators (2mm light pipes):
  • Initialisation, normal operation and state of the reference input
Electrical Connectors BNC female, RJ-45 jack
WEEE status of the product This product is handled as a B2B category product. In order to secure a WEEE compliant waste disposal it has to be returned to the manufacturer. Any transportation expenses for returning this product (at its end of life) have to be incurred by the end user, whereas Meinberg will bear the costs for the waste disposal itself.
Current Consumption 5 V, +-5%, 250 mA
Key Features
  • Extended reference input signals:
  • - 1PPS, BNC female
  • - var. frequencies (1 kHz - 20 MHz) unframed, BNC female
  • - var. frequencies (1 kHz - 20 MHz) unframed, RJ45
  • - BITS E1/T1 framed, RJ45
Operating Temperature 0 ... 50°C / 32 ... 122°F
More Information
Attribute Value
Data Sheet Click here to view

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