With two SDI SFPs inserted, between 2 to 4 SDI IOs via SFP are available. The number of these that are
inputs or outputs will depend on the SFP types that have been inserted. The Qx can take the following SFP
types in both SFP+A and B slots:
l RxRx (Dual Receiver – x2 Inputs)
l TxTx (Dual Transmitter – x2 Outputs)
l RxTx (Transceiver – x1 Input, x1 Output)
l Rx (Single Receiver - x1 Input)
l Tx (Single Transmitter - x1 Output)
An RxRx RxRx combination would provide x 4 inputs, TxTx TxTx provides x 4 outputs, Tx RxTx provides x 2
outputs and x 1 input, …and so on.
Installed SDI SFP signal lane positions are mapped to Qx system internal SDI paths as outlined below.
Whether a lane is an input or output is dependent on the SFP type installed:
SFP+ Slot Lane Position Qx Mapping 'System IO' Rear Image
SFP+A Left SDI IO A
(Input or Output depends on SFP
type. E.g. For an RxTx SFP in slot
SFP+A, this would be SDI In A.)
SFP+A Right SDI IO B
SFP+B Left SDI IO C
SFP+B Right SDI IO D
Note: Use SDI SFP's approved by PHABRIX. An error message window will appear on screen if an
incompatible SFP is inserted.
Note: See ‘Supported SFP List’ section of this manual for list of SFP’s approved by PHABRIX.
SDI Inputs (SFP)
Both SFP+A and SFP+B can be used as receive connections for SDI. Dependent on the SDI SFP types used,
up to x4 SDI input connections from 1.5G HD-SDI to 12G-SDI are available. The analyzer provides up to four
12G-SDI capable input: SDI IN A, B, C, D.
Up to four SDI inputs may be connected at any one time, however the system will automatically determine
the signal set to analyze - be it single link, dual link, or quad link - based on the SMPTE ST 352 packets
present. The algorithm looks to the first available ‘SDI IN’ (in alphabetical order) and then determines the
overall standard.
If the SMPTE ST 352 packets are known to be incorrect then the user has the option to select ‘Ignore
payload identifier packets (ST 352)’ in the ‘Analyzer - Video Standard’ window.
PHABRIX Qx User Manual Page 5
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