Beijing Huahuan Electronics H0EL-EthMux V8, Руководство пользователя

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Beijing Huahuan Electronics Co., Ltd
Huahuan
- 8 - H0EL-EthMux V8 User Manual V1.1
Dip label Definition
DIP-1 RA
ON: 8 red LEDs indicate remote E1 alarm state
OFF: 8 red LEDs indicate local E1 alarm state
DIP-2 Reserved Reserved
DIP-3 Reserved Reserved
DIP-4 MATN
ON: Default IP address 192.192.192.192
OFF: User set IP address
2.4 Rear panel
The rear panel of H0EL-EthMux V8 is depicted in Fig. 2.4-1.
(b)
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 H0EL-EthMux V8 can output system alarms for maintenance purposes.
There are 2 alarm output pins, the Prompt Alarm and the Deferred Alarm, as shown
in Fig. 2.4.2-1.
D P
SYS ALARM
Prompt Alarm Deferred Alarm
Fig. 2.4.2-1 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 8 E1 ports on the rear panel. The E1 ports impendence are E1- 120Ω
for twisted pair cables or 75Ω for coax. The
E1-
120Ω
RJ45 sockets are default for
ports.