Reserved for parallel function
CAN Bus connection for parallel system
Client's option plug-in position 1 (relays card)
Client's option plug-in position 2 (SNMP-card)
External battery connection
Connection for an external battery charger
Mains automatic circuit breaker
Bypass automatic circuit breaker
Maintenance-bypass switch (nock switch)
Input / output terminal block
Fixing holes for external battery charger
EPO (emergency power off)