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Chapter 1: Overview
AT-XEM2-1CQ Line Card
Transceivers
LEDs
40
The AT-XEM2-1CQ Line Card is shown in Figure 13.
Figure 13. AT-XEM2-1CQ Line Card
The one port on the card supports the following 100Gbps QSFP28
transceivers:
QSFP28SR4 transceiver - Maximum operating distance of 70m
(230 ft) or 100m (328 ft) with 12-strand OM3 or OM4 fiber optic
cable, respectively. Requires a MPO pluggable optical connector.
QSFP28LR4 transceiver - Operating range of 2m (6.6 ft) to 10km
(6.2 mi). Requires single-mode fiber optic cable with a duplex LC
connector.
QSFP28-1CU and QSFP28-3CU direct attach cables - Lengths of
one and three meters, respectively.
The LED states for the port in the AT-XEM2-1CQ Line Card are described
in Table 15.
Table 15. Port Link and Activity Status LED on the AT-XEM2-1CQ Line
State
Solid Green
Card
Description
The transceiver has established a link to a
network device.
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