User Manual
QuickSpecs
HPE OfficeConnect 1920 Switch Series
Technical Specifications
Page
18
Safety
UL 60950; IEC 60950-1; EN 60950-1; CAN/CSA-C22.2 No. 60950-1-03
Emissions
FCC part 15 Class A; VCCI Class A; EN 55022 Class A; CISPR 22 Class A; EN 55024; EN 61000-3-2
2000, 61000-3-3; ICES-003 Class A
Management
IMC - Intelligent Management Center; limited command-line interface; Web browser; SNMP Manager;
IEEE 802.3 Ethernet MIB
Notes
SFP ports and copper ports work simultaneously, independent of each other, to provide a total of 52
Gigabit Ethernet-capable ports.
Services
Refer to the Hewlett Packard Enterprise website at http://www.hpe.com/networking/services for
details on the service-level descriptions and product numbers. For details about services and response
times in your area, please contact your local Hewlett Packard Enterprise sales office.
HPE OfficeConnect 1920 48G PoE+ (370W) Switch (JG928A)
I/O ports and slots
48 RJ-45 auto-negotiating 10/100/1000 PoE+ ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type
100BASE-TX, IEEE 802.3ab Type 1000BASE-T, IEEE 802.3af PoE, IEEE 802.3at)
4 SFP 100/1000 Mbps slots (IEEE 802.3u Type 100BASE-FX, IEEE 802.3z Type 1000BASE-X
Supports a maximum of 48 autosensing 10/100/1000 ports plus 4 SFP 100/1000 slots
Additional ports and
slots
1 RJ-45 console port to access limited CLI port
Physical characteristics
Dimensions
17.32(w) x 17.32(d) x 1.73(h) in (44 x 44 x 4.4 cm) (1U height)
Weight
9.48 lb (4.3 kg)
Memory and processor
MIPS @ 650 MHz, 32 MB flash, 128 MB SDRAM; packet buffer size: 1.5 MB
Mounting and enclosure
Mounts in an EIA standard 19-inch telco rack or equipment cabinet (hardware included)
Performance
100 Mb Latency
< 5 µs
1000 Mb Latency
< 5 µs
Throughput
up to 77.4 Mpps (64-byte packets)
Routing/Switching
capacity
104 Gbps
Routing table size
32 entries (IPv4), 32 entries (IPv6)
MAC address table size
16384 entries
Reliability
MTBF (years)
44.44
Environment
Operating temperature
32°F to 104°F (0°C to 40°C)
Operating relative
humidity
10% to 90%, noncondensing
Nonoperating/Storage
temperature
-40°F to 158°F (-40°C to 70°C)
Nonoperating/Storage
relative humidity
10% to 95%, noncondensing
Altitude
up to 16,404 ft (5 km)
Acoustic
Low-speed fan: 47 dB, High-speed fan: 49.3 dB; ISO 7779
Electrical characteristics
Frequency
50/60 Hz
AC voltage
100 - 240 VAC
Maximum power rating
492 W
PoE power
370 W PoE+
Notes
Maximum power rating and maximum heat dissipation are the worst-case
theoretical maximum numbers provided for planning the infrastructure
with fully loaded PoE (if equipped), 100% traffic, all ports plugged in, and all
modules populated.