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Table 3-12 RCMS 2811-240FE-BL Front Panel Description 5-E1 Loop Dip-switch
NO. Name Bits Description
35
E1-LOOP
Dip-switch
8 bits Bit1-8 the 1
st
to 8
th
E1 tributary loop-back configuration.
Bit1 = OFF , the 1
st
E1 tributary is not loop-back;
Bit1 = ON, the 1
st
E1 tributary is loop-back.
The configuration method of Bit2 to Bit 8 is same as Bit 1.
3. Interface on front panel
There are E1 and PC-AGENT ports on front panel.
Table 3-13 RCMS 2811-240FE-BL Front Panel Description 6-Interface
NO. Name Bits Description
36
1-8
RJ45
1
st
-8
th
tributary 120Ω E1balanced interfaces.
LNK-UP
RJ45 Local network management interface. LNK-UP connects to PC serial
port or connects to upper device’s LNK-DWN interface when
concatenating.
37
LNK-DWN
RJ45
LNK-DWN
connects to upper device’s LNK-UP interface when
concatenating. It complies with RS232 electrical standard and the
baud rate is 19200bps.
RCMS 2811-240FE Device Operation Introduction
The operation introduction is same as RCMS2811-240FE-BL except for E1 interface description.
Table 3-14 RCMS 2811-240FE Front Panel Description 1-Interface
NO. Name Bits Description
45 1-8 DB37
1
st
-8
th
tributary 75Ω E1unbalanced interfaces.
RCMS 2811-120FE Device Operation Introduction
Figure 3-10 RCMS 2811-120FE Front Panel Description
1. System Indicator
The System indicators mainly indicate the working status of optical port, E1 port and Ethernet port.
Table 3-15 RCMS 2811-120FE Front Panel Description 1-Indicator
No. Name Color Description