Hitachi SJ-FB - Manual (Page 16)

16
Chapter 5 SETTING
5.1 Setting the DIP Switches
SWENC
SWR
Layout of SJ-FB
1
2 O
F
F
Slide to the (OFF) marked side
of the switch to turn it off and the
opposite side to turn it on.
How to Set Switches
SWENC and SWR
[ON/OFF]
TM1 TM2
Figure 5-1 Switch arrangement figure
5.2 Switch Initial Settings
Setting
item
Switch
No.
Contents
ON
Detection of disconnected A or B signal (EAP-EAN or
EBP-EBN) is valid.
1
OFF
Detection of disconnected A or B signal (EAP-EAN or
EBP-EBN) is invalid.
ON Detection of disconnected Z signal (EZP-EZN) is valid.
SWENC
2
OFF Detection of disconnected Z signal (EZP-EZN) is invalid.
ON
Termination resistance is provided between SAP and SAN
(150 ohms).
1
OFF No terminal resistance is provided between SAP and SAN.
ON
Termination resistance is provided between SBP and SBN
(150 ohms).
SWR
2
OFF No terminal resistance is provided between SBP and SBN.
(Note) : Default setting for all the switches is OFF.