4 - 7                         4 - 7 
MELSEC-
4   PROCEDURE UP TO DATA LINK 
 
Number Name  Description 
Self-loopback test 
setting switch 
(CC-Link/LT side) 
TST 
OFF: Normal operation mode (factory-set) 
ON: Self-loopback test mode 
 
   
 Setting Switches   
 
Setting 
Value 
2 1 
Points 
 
 0 
(factory-set) 
OFF OFF  8 points 
 
 1  OFF  ON  4 points   
 2  ON  OFF  16 points   
Point mode setting 
switches (CC-Link/LT 
side) 
MODE 
Setting a value other than the above will result in a setting error. (The "L ERR." LED on the 
CC-Link/LT side is lit.) 
 
   
 Setting Switches   
 
Setting 
Value 
2 1 
Transmission Speed 
 
 0 
(factory-set) 
OFF OFF  156 kbps 
 
 1  OFF  ON  625 kbps   
 2  ON  OFF  2.5 Mbps   
2) 
Transmission speed 
setting switches 
(CC-Link/LT side) 
B RATE 
Setting a value other than the above will result in a setting error. (The "L ERR." LED on the 
CC-Link/LT side is lit.) 
 
3) 
One-touch connector 
for communication 
A one-touch connector for communication line connection. 
Connect two optional one-touch connector plugs for communication to the two connector. 
 
4) 
CC-Link/LT Interface 
connector 
Connector for CC-Link/LT communication line connection.   
5)  DIN rail hook  Used to mount the module to the DIN rail.   
6)  FG terminal  Ground terminal   
 
 
4.4 Facing Direction of the Module Installation 
The AJ65SBT-CLB can be mounted in any of six orientations with a DIN rail or module 
mounting screws. (There are no restrictions on the mounting orientations.) 
 
When installing to the side of the board
When installing
on top of the board
When installing
at the bottom of the board