DS4-2499D
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8. Setting Switches
(1) Ethernet settings
Auto negotiation
Effective
Factory setting
Ineffective
SW1 OFF
ON
Full-duplex/half duplex
Full-duplex
Factory setting
Half-duplex
SW2 OFF
ON
10BASE-T link when
optical axis is shielded
Connection
continued
Factory setting
Disconnected
SW3 OFF
ON
If a unit not supporting the flow control is connected, set both type A and B units to half-duplex
mode. Even if the one unit supports the flow control, set both to half-duplex mode.
Otherwise, some data frames may be lost in case the transfer capacity is instantaneously
exceeded.
Set items so that the communication mode of Full-duplex/Half-duplex may conform to the device
connected in the receiving side across the optical transmitter.
Special care must be taken when connecting to the device not compatible with auto negotiation
or when set to invalid.
If the mode is not the same, loss of data frame could occur.
* If any setting has been changed, turn off the power once, and then restart.
(2)
Channel setting
Channel number
1
Factory setting
2
SW4
OFF
ON
Channel indicator lamp
OFF
Red
Type A carrier frequency
14.5 MHz
21.5 MHz
Type B carrier frequency
18.0 MHz
25.0 MHz
Set each pair of units to the same channel number.
When installing two or of pairs, set each pair to a different channel number.
* If the setting is changed, turn off the power supply once and start again.
