7-38
Table7-9 QSFP+ copper cables available for the QSFP28 ports
QSFP+ copper cable
Max transmission distance
LSWM1QSTK0
1 m (3.28 ft)
LSWM1QSTK1
3 m (9.84 ft)
LSWM1QSTK2
5 m (16.40 ft)
Table7-10 QSFP+ fiber cables available for the QSFP28 ports
QSFP+ fiber cable
Cable length
QSFP-40G-D-AOC-7M
7 m (22.97 ft)
QSFP-40G-D-AOC-10M
10 m (32.81 ft)
QSFP-40G-D-AOC-20M
20 m (65.62 ft)
NOTE:
MPO connectors include physical contact (PC) connectors with a flat-polished face and
angle-polished contact (APC) connectors with an angle-polished face (8°).
QSFP-DD port
The LSWM1M4CD interface module provides 4 QSFP-DD ports.
The QSFP-DD transceiver modules in
are available for the QSFP-DD ports
.
Table7-11 QSFP-DD transceiver modules available for the QSFP-DD ports
QSFP-DD
transceiver
module
Central
wavelength
(nm)
Connector
Fiber type and
diameter (µm)
Modal
bandwidth
(MHz*km)
Maximum
transmission
distance
QSFPDD-400
G-SR8-MM85
0
850
MPO (APC
polished,
16-fiber)
50/125 µm MMF
2000
70 m (229.66 ft)
4700
100 m (328.08 ft)
LEDs
System status LED
The system status LED shows the operating status of the switch.
Table7-12 System status LED description
LED mark
Status
Description
SYS
Steady green
The switch is operating correctly.
Flashing green
The switch is performing power-on self-test (POST).
Steady red
The system has failed to pass POST or a fault has occurred.
Flashing blue (3 Hz)
Helps identifying the switch.
To identify the switch location, execute the
locator blink