HP J3188A Manual de usuario Pagina 22
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Installing the Hub
Interpreting LED Status
Installing the Hub
Interpreting Hub Status LEDs
The hub status LEDs indicate whether the hub is functioning properly. For
further details on error conditions indicated by the Status LEDs, see chapter
2, “Troubleshooting”.
LED State Meaning of LED
SYSTEM
(Power)
(green)
On The hub is receiving power.
Off The hub is not receiving power.
ACT
(Activity)
(green)
Flickering ON while a packet is being transmitted. Normally, the LED appears
to flicker. In heavy traffic, it may appear on all the time.
FLT
(Fault)
(Orange)
On
Off
Flash
An error has been detected on the hub.
No error has been detected on the hub.
Flashes simultaneously with port LEDs, indicating the port is
partitioned.
SEC
(Security)
(Orange)
On
Off
Flash
A security violation has occurred.
Hub security has not been violated.
Flashes simultaneously with port LEDs, indicating the port had a
security violation.
RPS
(RPS)
(green)
On
Off
The RPS is providing power.
The RPS is not providing power.
COL
(Collision)
(orange)
Flickering This LED is on while a collision is detected. If it appears on
continuously (with no flicker), it is a possible indicator of a network
fault or an improperly terminated cable.
MUCHO.BK : ch1.fm5 Page 12 Thursday, June 26, 1997 11:37 AM
- HP 10Base-T Hub-16M 1
- HP 10Base-T Hub-16M (J3188A) 3
- Publication Number 4
- Applicable Product 4
- Trademark Credits 4
- Disclaimer 4
- Warranty 4
- Features 6
- Contents 7
- F Security Information 9
- Installing the Hub 11
- 1. Verify included parts 12
- 4. Mount the hub 15
- Table Mounting 16
- Connecting Devices to the Hub 18
- Connecting Hubs Together 18
- ThinLAN Connections 19
- Interpreting LED Status 21
- Interpreting Hub Status LEDs 22
- Interpreting Port Status LEDs 23
- Troubleshooting 25
- LED Operation 27
- Hub Maintenance Tasks 29
- Running Connectivity Tests 30
- Managing the Hub 31
- Remotely, Using Telnet 32
- Starting the Console 33
- Console Command Reference 34
- CDpstatus 36
- COunters 36
- When to Use IPconfig 37
- DIsconnect 37
- IPconfig 37
- Using Novell NetWare IPX 38
- Using IP 38
- MAnagers [SHow] 39
- MEssageinterval 41
- NEighbor 41
- PAssword 42
- RObustness 43
- ALL or AL for all ports 44
- SPeed <new speed> 49
- Product Description 50
- TEstlink 51
- Cables and Connectors 53
- Connection 55
- RS-232 Modem Cable 57
- Specifications 59
- Connectors 60
- Electromagnetic 60
- Modem Configuration 61
- Intel 14.4EX 62
- Supra FAX 288 62
- Network Addressing 63
- IPX Addressing Notes: 64
- Device IP Configuration 65
- Using BOOTP 66
- BOOTP Table File Entries 67
- Backup Links 69
- Limitations 70
- Additional Notes 70
- Examples of Backup Links 71
- Configuring a Backup Link 73
- Identifying the Backup Link 74
- Reactivating the Primary Link 75
- Security Information 77
- How Intruder Prevention Works 78
- Prevention 80
- Auto Port Disable 81
- Send Alarm 81
- Eavesdrop Prevention 82
- Mounting Precautions 85
- Power Precautions 86
- Safety Information 87
- Safety and Regulatory 88
- Statements 88
- Hinweise zur Sicherheit 89
- Safety Information (Japanese) 92
- Regulatory Statements 93
- Declaration of Conformity 94
- Numerics 95
- 2 – Index 96
- Index – 3 97
- 4 – Index 98
- *J3188-90001* 100
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