TOSLINE-S20 Active Star Coupler (ASC25) Instruction Manual 6F3B0360
TOSLINE S20 19
6.7 Terminal block
(1) Power supply
Connect the power supply cables to the power source terminal block (M3.5 screws) of
ASC25 using appropriate crimping terminals. Insufficient connection may damage the terminal
block. Do not supply the power source to other users via the power source terminal block.
Power source side
(e.g., Power source panel)
Monitor side (e.g.,
Annunciator, I/O panel)
Class 3 grounding
100 V AC/200V AC terminal
(exchange is not required.)
HEALTHY contact terminal
(Max) 24V-1A
Ground terminal
Figure 6.5 Connection of cables
(2) HEALTHY contact
HEALTHY contact indicates abnormal state of power source and communication. The
following is the conditions of HEALTHY contact.
HEALTHY contact Condition of HEALTHY contact actuation
Close Power supply is normal, and any one of 10 ports is in normal operation.
Open Power source is in "OFF" mode, or no port is connected.
Table 6.4 Condition of HEALTHY contact
Rating of HEALTHY contact
Voltage Current
DC 24V 1A (Max)
AC 250V 1A (Max)
AC/DC 5V 10mA (Min)
Table 6.5
