1. Disconnect the power supply from the power outlet.
2. Use a cloth moistened (not wet!) with water to clean the surfaces of the equipment.
Never use caustic or scouring cleaners or cleaning agents containing alcohol or solvents
since these may damage the enamel or plastic parts.
Problem
All LEDs remain dark on powering up.
PC LINK LED remains dark
on powering up.
DATA TRANSFER TO SR LED(s)
remain(s) dark
DATA TRANSFER TO SR LED(s)
is (are) lit constantly.
DATA TRANSFER TO SR LEDs flash
from center outward
approx. every 2 seconds.
POWER, PC LINK, and PC DATA LEDs are
lit constantly after power-up.
Power supply
Current consumption
Ambient temperature
Connectors for SR 4000 receivers
Ethernet connector
Size
Weight
This equipment fulfills the following European standards:
EN 300422-2 V1.1.1
EN 301489-9 V1.3.1
EN 60065:2002
HUB 4000
Possible Cause
• Power supply is not connected to
HUB 4000 and/or power outlet.
• HUB 4000 is not connected to
computer/Ethernet card/Ethernet hub.
• No receiver connected.
1. Data cable(s) disconnected during data
transfer.
2. Data cable(s) defective.
• Internal error.
• Internal error.
12 VDC ±2 V
65 mA ±20 mA
-10°C to +60°C
RJ11
RJ45
200 x 190 x 44 mm (7.8 x 7.5 x 1.7 in.)
approx. 970g (2.2 lbs.)
4 Cleaning
Important!
Important!
5 Troubleshooting
Remedy
• Connect power supply to HUB 4000
and/or power outlet.
• Connect HUB 4000 to computer/Ethernet
card/Ethernet hub.
• Connect receiver(s).
1. Switch HUB 4000 OFF, connect data
cable, switch HUB 4000 back ON.
2. Switch HUB 4000 OFF, replace data cable,
switch HUB 4000 back ON.
Should the problem persist, contact your
nearest AKG Service Center.
• Switch unit OFF, wait for 10 seconds,
switch unit back ON.
Should the problem persist, contact your
nearest AKG Service Center.
• Switch unit OFF, wait for 10 seconds,
switch unit back ON.
Should the problem persist, contact your
nearest AKG Service Center.
6 Specifications
9