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Chapter 8: Cabling the Networking Ports
128
Table 22. Transceivers for the Optional XEM2 Ethernet Line Cards
Ethernet Line Card
AT-XEM2-4QS
AT-XEM2-1CQ
Please review "Guidelines to Handling Twisted Pair or Fiber Optic
Transceivers" on page 125 before performing the procedure.
Your transceivers may look different than those shown in the following
illustrations.
Warning
The temperature of an operational transceiver can exceed 70° C
(158° F). Exercise caution when removing or handling transceivers
with unprotected hands. E43
Transceiver
40Gbps QSFP+ transceivers:
- QSFPSR4 fiber optic transceiver -
Maximum operating distance of 150
meters (492 feet) with 12-strand OM4
fiber optic cable.
- QSFPLR4 fiber optic transceiver -
Operating range of 2 meters (6.6 feet) to
10 kilometers (6.2 miles) with single-
mode fiber optic cable.
- QSFP1CU and QSFP3CU direct attach
cables - Lengths of 1 and 3 meters,
respectively.
100Gbps QSFP28 transceivers:
- QSFP28SR4 fiber optic 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 fiber optic 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.
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