Huahuan
Beijing Huahuan Electronics Co., Ltd.
H0EL-EthMux V8 User Manual V1.1
-
11-
4-pair twisted cable. The cable is not provided with the equipment, and the user is
responsible for making such cables in the field with length suitable for a particular
installation. The signal definition is given in Table 3.2.2-1, and pin order is depicted
in Fig. 3.2.2-1. Note that pin-1 and pin-2 should use the same twisted pair, so should
pin-4 and pin-5.
8
1
Fig. 3.2.2-1 RJ45 pin order
Table 3.2.2-1 120
-E1 signal definition
Pin
1
2
3
4
5
6
7
8
Signal
-
+
+
-
E1
－
IN
GND
E1
－
OUT
GND
The RJ45 sockets are default for E1-
120Ω, t
he 4-jumpers of CNM26, CNM25,
CNM24, CNM20 in EthMux V8 board are jumped 1-2.
Fig. 3.2.2-2
75Ω
converting cable
The cable No.
BH4.851.122
is for one RJ45 connecter to two BNC (F) sockets
conversion cable, the 4-jumpers of CNM26, CNM25, CNM24, and CNM20 in
EthMux V8 board are jumped 2-3. It is optional for customs.
E1 service can set the actual service quantity by NMS, set the exact E1 channels
received by local equipment from remote equipment, realizing E1 service one point to
multi-point unidirectional transmission function.
By NMS, E1ports provide local loop back and remote loop back, 8 E1 ports loop
back can be set independently, and by the dip RA on front panel E1 indicators can be
Summary of Contents for H0EL-EthMux V8
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