IP-NET, LLC
VQE1 User Manual V1.3
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2.3.2
LEDs
There are 31 LEDs on the front panel, divided into 5 groups. For detailed LED
description, refer to The Table 4.1-1. To verify operation, the LEDs should be interpreted
in the following sequence:
In the STATUS group, the PWR and READY green LEDs indicate the operation status
of the device.
In the CABLE group, there are five red, yellow and green LEDs which indicate the
condition of the DOCSIS cable modem module.
In the 10/100 BASE-T group, the 12 Ethernet status green LEDs indicate the status
of the 4 Ethernet ports.
In the E1/T1 ALARM group, eight red LEDs are provided for alarm indication, 4 for
the local and remote E1 ports, and 4 for packet alarms.
In the FAR-END UP Group Four LEDs indicate the status of far-end E1 uplink. These
LEDs are also green.
For detailed LED description, refer to The Table 4.1-1.
2.3.3
Dip switch
There are two Dip Switches on the front panel; the definitions are shown on Table
4.3-1.
2.4
Rear panel
The VQE1 has power supply options for 110-220VAC and -48VDC. The rear panel is
depicted in Fig. 2.4-1.
DC power with 2X2P socket
Fig. 2.4-1 Rear panel
2.4.1
Grounding screw
This is used to connect the chassis to the protective ground.
2.4.2
System alarm
The VQE1 can output system alarms for maintenance purposes. There are 2 alarm
output pins, the Prompt Alarm and the Deferred Alarm, as shown in Fig. 2.4-2.
