EH-2400
Ethernet Hub User’s Manual
Page 1: ...EH 2400 Ethernet Hub User s Manual...
Page 2: ...ctions may cause interference to radio communications This equipment has been tested and found to comply with the limits for a Class B computing device pursuant to Subpart J of Part 15 of FCC Rules wh...
Page 3: ...GENERAL DESCRIPTION 2 FRONT PANEL OF EH 2400 2 LED INDICATOR 2 REAR PANEL OF EH 2400 3 CHAPTER 3 INSTALLATION 4 GETTING READY TO INSTALL THE EH 2400 4 PREPARE TO INSTALL EH 2400 4 EH 2400 INSTALLATIO...
Page 4: ...nchester decoder for clock and data recovery q Automatic preamble regeneration to compensate for any bit loss q Lockup and auto partition for jabber to isolate network failures q Built in Micro proces...
Page 5: ...s when network collision are detected Jabber Blinking Red Blinks when network jabbers are detected TX RX Steady Green Indicates Link integrity pulses are being received Blinking Green Blinks when data...
Page 6: ...STP UTP cable should be 22 24 or 26 AWG with a minimum of one twist per foot 24 AWG is recommended The cable should have a nominal impedance of 100 ohms at 10 MHz a maximum segment loss of 11 5 dB be...
Page 7: ...is automatic there is no switch to set Before plugging the hub in make sure the power cord 1 is long enough to reach an AC wall outlet of an approved type 2 has plugs that match both the hub s power i...
Page 8: ...ator for assistance SYMPTOM The Link LED is not lit SOLUTION The Link LED is not on after a workstation is connected to the STP port of the concentrator 1 Verify if the workstation and the concentrato...
Page 9: ...STP port 1 port 10Base T UpLink port 1 port AUI port 1 port BNC port LEDs 1 Power collision Jabber LED 8 Utilization LEDs 24 TX RX LEDs 24 Partition LEDs Power System 90 260 VAC 50 60Hz Power Consump...