IQCM-310 OCXO Specification
●Description:
■The IQCM-310 is a high-performance clock module designed to provide precise frequency, phase and time-of-day synchronization information for telecom and other applications.
■It combines the IEEE 1588-2008 (1588V2) with advanced PTP IC and adaptive timing algorithms which uses 1PPS retrieving from GNSS as a primary time reference. The module supports PTP Grandmaster, PTP Slave and BC.
■Key features
▲Timebase derived from: PTP slave, BITS/SSU input, GNSS
timing satellite signal.
▲PTP Grandmaster: PTP Grandmaster function supports multiple PTP slaves using multicast or unicast messaging.
▲Timebase may be PTP or ARB.
▲PTP Slave: Acting as a PTP Ordinary Clock in Slave mode, IQCM-310 can lock to BCs, or it can use sophisticated packet delay filters and adaptation algorithms to lock to a remote PTP Grandmaster over a multi-hop legacy network which has no PTP support.
■Time-aligned output pair (pads 17, 18): 1 PPS and 125 MHz divided by n (n = 4 to 125000). Maximum of 125MHz (divide by 4); minimum of 100 Hz (divide by 1249999).
■Frequency-aligned outputs: 1 Hz and programmable frequency 1 kHz to 62.5MHz.
■Supports ITU profiles: G.8265.1,G.8275.1, and G.8275.2.
■Clocks: 3 clock inputs and 4 clock outputs.
■Ports: 2xSGMII and 2xUART( 1xTOD).
■Management Interface: UART
■Note1: The IQCM-310 should be left powered and running for 7 days minimum before operation to allow for the OCXO's internal drift to stabilise.
■Note2: The adaptive module algorithm can be built after two days operation with good GPS signal, however this data will be lost at power down.
●Frequency Parameters
■Frequency 10.0MHz
■Recovery Precision 24 Hours (T=±5 Test after Power on 30 min):±50ns max
■Holdover Capability Time 8 hours (T=±5 Test after Power on and lock 2 days): ±1.5μs (Supports external clock with advanced holdover compensation algorithm)
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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10 Jun 19 |
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