HP ProCurve 2910al Series User Manual

4-4
Troubleshooting
Diagnosing with the LEDs
Troubleshooting
Diagnosing with the LEDs
Table 4-1 shows LED patterns on the switch and the switch modules that
indicate problem conditions.
1. Check in the table for the LED pattern you see on your switch.
2. Refer to the corresponding diagnostic tip on the next few pages.
Table 4-1. LED Error Indicators
LED Pattern Indicating Problems
Diag
Tips
Power Fault
Module
(Mdl)
Status**
RPS
Status
EPS
Status
Test
Fan
Status
Port LED
(in Link view mode)
Off with
power cord
plugged in
*** ** *
➊
On Prolonged On * * Prolonged
On
**
➋
On Blinking
†
** Blinking
†
**
➌
On Blinking
†
* * Off Blinking
†
*
➍
On Blinking
†
See tip 5 * Blinking
†
* Blinking
†
➎
On Off * * Off * Off with cable
connected
➏
On Off * * Off * On, but the port is
not
communicating
➐
On Blinking
†
* Blinking
†
*** *
➑
On Blinking
†
**Blinking
†
** *
➒
On Blinking
†
F
1
Blinking
†
B
2
Blinking
†
* Blinking
†
**
➓
* This LED is not important for the diagnosis.
†
The blinking behavior is an on/off cycle once every 1.6 seconds, approximately.
** The Module Status LED is located on the module in the rear of the switch.
1
F - Front
2
B - Back

HP ProCurve 2910al Series Specifications

General

Model	HP ProCurve 2910al Series
Switching Capacity	128 Gbps
Forwarding Rate	95.2 Mpps
Layer	Layer 3
Form Factor	Rack-mountable, 1U
Layer 3 Routing	Yes
Operating Humidity	15% to 95% non-condensing
Ports	24 or 48 10/100/1000 ports
Uplink Ports	4 SFP (mini-GBIC) slots
Power over Ethernet (PoE)	Available on PoE+ models (2910al-24G-PoE+ and 2910al-48G-PoE+)
Management	Web, SNMP, CLI
MAC Address Table Size	16, 000 entries
Routing Protocol	RIP
Power Supply	Internal power supply (AC)
Jumbo Frame Support	Yes (up to 9220 bytes)
Weight	4.9 kg
Power Consumption	Varies by model (typically 30-60W)
Operating Temperature	0°C to 45°C
VLAN Support	Yes (up to 512 VLANs)