7-36
USB port
The switch has one OHCI-compliant USB 2.0 port that can upload and download data at a rate up to
480 Mbps. You can use this USB port to access the file system on the flash of the switch, for example,
to upload or download application and configuration files.
The USB port supplies power as per USB 2.0 specifications. Use only USB 2.0-compliant USB
devices for the USB port. The port might not identify USB devices that are not compliant with USB
2.0.
NOTE:
USB devices from different vendors vary in compatibilities and drivers. H3C does not guarantee
correct operation of USB devices of all vendors on the switch. If a USB device fails to operate on the
switch, replace it with one from another vendor.
QSFP28 port
The LSWM116H interface module provides 16 QSFP28 ports and does not support splitting a
QSFP28 port into four breakout interfaces.
The following transceiver modules and cables are available for the QSFP28 ports:
•
•
QSFP28 copper cables in
•
•
•
QSFP+ copper cables in
•
Table7-5 QSFP28 transceiver modules available for the QSFP28 ports
QSFP28
transceiver
module
Central
wavelength
(nm)
Connector
Fiber type and
diameter (µm)
Modal
bandwidth
(MHz*km)
Maximum
transmission
distance
QSFP-100G-
SR4-MM850
850
MPO (PC
polished,
12-fiber)
Multi-mode,
50/125
2000
70 m (229.66 ft)
4700
100 m (328.08 ft)
QSFP-100G-
PSM4-SM13
10
1295 to 1325
MPO (APC
polished,
12-fiber)
Single-mode,
9/125
N/A
0.5 km (0.31 miles)
QSFP-100G-
LR4-WDM13
00
Four lanes:
•
1295
•
1300
•
1304
•
1309
LC
Single-mode,
9/125
N/A
10 km (6.21 miles)
QSFP-100G-
LR4L-WDM1
300
Four lanes:
•
1264.5 to
1277.5
•
1284.5 to
1297.5
•
1304.5 to
1317.5
•
1324.5 to
LC
Single-mode,
9/125
N/A
2 km (1.24 miles)
