Beijing Raisecom Science & Technology Co., Ltd
1 2 3 4 5 6 7 8
OFF
ON
3.2 Dip-switch Setup
3.2.1 SW1 for Working Modes
SW1 is an 8-bit dipswitch, as the figure on the right
Switch
OFF (default status)
ON
1 Enable
Ethernet
interface auto-sensing
Disable Ethernet interface auto-sensing
2 a) Ethernet forced 100M when
auto-sensing disabled
b)Invalid when auto-sensing enabled
a) Ethernet forced 10M when auto-sensing
disabled
b) Invalid when auto-sensing enabled
3
a) Ethernet forced full duplex when
auto-negotiation disabled
b) Ethernet forced full duplex when
auto-negotiation failed; invalid when
auto-negotiation success
a) Ethernet forced half duplex when
auto-negotiation disabled
b) Ethernet forced half duplex when
auto-negotiation failed; invalid when
auto-negotiation success
4 Reserved
Reserved
5
Fault Pass Through disabled
Fault Pass Through enabled
6
Enable MDI/MDIX auto-negotiation
Disable MDI/MDIX auto-negotiation.
Straight-through cable shall be used to
connect to Switch; crossover cable shall be
used to connect to NIC and Routers
7
E1 link normal working mode
E1 link remote loop-back
8
Auto recognition of network management
channel
Forced remote network management.
Please configure as per the network
topology.
Note: The other dip-switch SW2 is a 2-bit switch, which shall be used by manufacturing people.
Users are not advised to change the default status.
3.2.2 Fault-Pass-Through Capability Explanation
When Fault-Pass-Through capability is enabled, there are 3 situations that we call it a link
fault.
1
．
The equipment will monitor the status of remote Ethernet interface. When it changes to
link down from link up, we take it as a link fault of remote Ethernet. At the same time, the
status of local module will change to link down form link up. It will not be recovered until
the fault disappears at remote site.
2
．
The equipment will monitor the status of remote E1 interface. When it changes to loss of
signal status from normal, we take is as a link fault of remote E1 link. At the mean time,
the equipment will cut off the transmission of local E1 interface but not send AIS signal.
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