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Chapter 1
Overview
About the CSAM Assembly
T-BERD/MTS/SC Getting Started Guide
Page 16
22046561, Rev. 016
March 2018
External Clock Reference and Clock Out/1PPS connectors
These connectors provide input/output of synchronization reference signals (BITS,
SETS, 2.048MHz, and 100Mhz) and allow you to connect the CSAM to external
sources to obtain synchronization timing signals. The Clock Out/1PPS connector can
be used as an input or output.
CFP2 40/100G connectors
A single CFP connector (labeled
CFP2 40/100G
) supports a CFP2 transceiver, and
allows you to connect the CSAM to a 40G SONET/SDH, 40 or 100G Ethernet, or OTU3
(43.02 G)/OTU4 (111.8 G) circuit to transmit and then analyze traffic during testing. You
can also use a CFP2 to QSFP28 adapter to connect to and perform tests on 100G
Ethernet or OTU4 (111.8 G) circuits; or a CFP2 to CFP4 adapter and a CFP4 trans-
ceiver.
QSFP+ 40G connectors
A single QSFP+ connector (labeled
QSFP+ 40G
) supports QSFP+ transceivers, and
allows you to connect the CSAM to a 40G SONET/SDH, 40G Ethernet, or OTU3
(43.02 G) circuit to transmit and then analyze traffic during testing (for more information
about the rates, check with your customer documentation).
MPO connectivity
LR4 interfaces for 40G and 100G connectivity are based on regular single mode fibers
and use LC connectors.
SRx interfaces are based on multimode ribbon cables and use MPO connectors.
MSA compliant QSFP+ transceivers (with a 40GBASE-SR4 interface) and a CFP2 to
QSFP28 adapter (with a 100GBASE-SR4 interface) have been qualified by Viavi for
use with the CSAM. CFP transceivers and adapters (with a 100GBASE-SR10 inter-
face) have also been qualified.
40GBASE-SR4 and 100GBASE-SR4 interfaces use single row MPO connectors with
12 fiber terminations (as illustrated in
).
Figure 8
12-fiber MPO connector
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