Ports JD858A: 16 RJ-45 autosensing 10/ 100 ports( IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX) , Media Type: Auto-MDIX, Duplex: half or full J9791A: 5 RJ-45 autosensing 10/ 100 ports( IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX) , Media Type: Auto-MDIX, Duplex: half or full J9792A: 5 RJ-45 autosensing 10/ 100/ 1000 ports( IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T) , Media Type: Auto-MDIX, Duplex: 10BASE-T/ 100BASE-TX: half or full; 1000BASE-T: full only J9793A: 8 RJ-45 autosensing 10/ 100 ports( IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX) , Media Type: Auto-MDIX, Duplex: half or full J9794A: 8 RJ-45 autosensing 10/ 100/ 1000 ports( IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T) , Media Type: Auto-MDIX, Duplex: 10BASE-T/ 100BASE-TX: half or full; 1000BASE-T: full only Mounting Desktop ( rear port) Memory and processor J9792A: packet buffer size: 1 MB JD858A: packet buffer size: 1.6 MB J9794A: packet buffer size: 2 MB J9791A: packet buffer size: 384 KB J9793A: packet buffer size: 768 KB Latency J9793A: 100 Mb Latency: < 2.9 µ s J9791A: 100 Mb Latency: < 3.2 µ s J9794A: 100 Mb Latency: < 3.9 µ s; 1000 Mb Latency: < 2.6 µ s J9792A: 100 Mb Latency: < 4.1 µ s; 1000 Mb Latency: < 2.6 µ s JD858A: 100 Mb Latency: < 5 µ s Throughput J9791A: up to 0.7 million pps J9793A: up to 1.2 million pps J9794A: up to 11.8 million pps JD858A: up to 2.4 million pps J9792A: up to 7.4 million pps Routing/ switching capacity J9791A: 1 Gbps J9793A: 1.6 Gbps J9792A: 10 Gbps J9794A: 16 Gbps JD858A: 3.2 Gbps Connectivity and communications General protocols IEEE 802.1p Priority; IEEE 802.3az Energy Efficient Ethernet; IEEE 802.3x Flow Control Power and operating requirements Input voltage 100-240 VAC Input frequency 50/ 60 Hz Safety UL 60950; IEC 60950-1; EN 60950-1; CAN/ CSA-C22.2 No. 60950-1-03 Electromagnetic compatibility EN 55022 Class B; ICES-003 Class B; FCC Part 15, Class B; AS/ NZS CISPR22 Class B Operating temperature range 0 to 40° C JD858A: 32 to 104ø F Operating humidity range JD858A: 10 to 90% ( noncondensing) J9792A / J9794A / J9791A / J9793A: 15 to 95% ( noncondensing) Acoustic pressure emissions fanless Dimensions and Weight Minimum dimensions ( W x D x H) J9792A: 11.43 x 9.14 x 3.56 cm J9791A: 11.43 x 9.15 x 3.05 cm J9794A / J9793A: 15.49 x 9.14 x 3.56 cm JD858A: 20.83 x 16 x 4.06 cm Weight J9792A / J9791A: 0.18 kg J9794A / J9793A: 0.23 kg JD858A: 0.64 kg