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Appendix A
Specifications
Standards
IEEE 802.3 10BaseT Ethernet
IEEE 802.3u 100Base-TX Fast Ethernet
IEEE 802.3u 100base-FX Fast Ethernet fiber (JetNet3705f)
IEEE 802.3x Flow Control and back pressure
IEEE 802.3af Power over Ethernet
Protocols
CSMA/CD
Switch Technology
Non-blocking, store-and-forward switching architecture
Transmission Rate
14,880 pps for Ethernet port
148,800 pps for Fast Ethernet port
Transfer Packet Size
64 bytes to 1522 bytes (with VLAN tag)
MAC Address Table Size
1K MAC address table
Memory Buffer
512K bits
Backplane
1.0Gbps
LEDs
Per port: Link/Activity (Green on / Green Blinking ) @ 100Mbps,
(Yellow on/ Yellow Blinking) @10Mbps
PoE ( Green)
Per unit: Power 1 (Green), Power 2 (Green) , Power(Green)
Fault (Red)
Network Cables
10Base-T
: twisted-pair UTP/STP Cat. 3, 4, 5 cable
EIA/TIA-568 100-ohm (100m)
100Base-TX
: twisted-pair UTP/STP Cat.5 cable
EIA/TIA-568 100-ohm (100m)
PoE Port
Port 1 ~ 4
Pin assignment: TX (3,6), RX (1,2), Positive Vport (4,5), Negative Vport
(7,8)
Maximum PoE Power
Per port 15.4Wats
Power Input
DC 48V or -48V, redundant dual DC power inputs with reverse polarity
protection, and a removable terminal block for master and slave VDC
power inputs.
Extra DC jack for AC-DC power adapter.
Power Consumption
6.5Watts without PD loading
60Watts with PD full loading
Back-plane
1.6Gbps
Summary of Contents for JetNet 3705
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