IP-NET, LLC
VQE1 User Manual V1.3
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7-
D
P
SYS ALARM
Prompt Alarm
Deferred Alarm
Fig. 2.4-2 System alarm port
The alarm conditions for each alarm output are set by the user. The output ports
float when no alarm is present, and connect to ground when alarm activates.
2.4.3
E1 Port
There are 4 E1 ports on the rear panel. The E1 ports impedance are E1-120
Ω
for
twisted pair cables or 75
Ω
for coax. The E1-120
Ω
RJ45 sockets are internally set by
default to 120
Ω
ports.
2.4.4
Ethernet ports
There are four RJ45 Ethernet ports on the rear panel, 2 for uplink connection to the
DOCSIS packet network and 2 local data ports for local computers to access the uplink.
Uplink ports support 1+1 backup.
The Web manager is supported through anyone of the two local data ports.
2.4.5
Power
Three power options are available, two via 100-240VAC 50/60 Hz and another via -
48VDC. The power source is selected via a rear panel three position rocker switch.
3.
Installation
3.1
Mechanical
VQE1 can be placed on a table top or mounted in a 19” rack. If it is to be mounted
in a rack, the four (4) 10mm-high stands should be removed with a screw driver.
The mechanical dimensions of VQE1 are given in Fig.3.1-1.
