6 rear view – Nevion 3GHD256256L User Manual
Page 8
3GHD256256L / SD256256L Rev. E
nevion.com | 8
*When using a Multicon Gyda board for controlling the Flashlink section, the
position closest to the frame wall shall be used. The other position shall never be
populated.
2.6 Rear view
The following service connectors can be found on the rear of the Modular 256x256 Router:
AC Mains A+B:
AC mains power supplies for the lower part of the frame.
AC Mains C+D:
AC mains power supplies for the upper part of the frame.
±48V A+B:
Optional DC battery power supplies for the lower part of the frame.
±48V C+D:
Optional DC battery power supplies for the upper part of the frame.
Serial A1 and A2:
RS-232 or RS-422 for external control protocols.
Serial B1 and B2:
RS-232 or RS-422 for external control protocols
(If redundant system controller is installed).
Ethernet A:
10/100Base-T Ethernet bus for external router control.
Ethernet B:
10/100Base-T Ethernet bus for external router control (if redundant
system controller is installed).
Serial GYDA A:
RS-232 or RS-422 for external control protocols (if Multicon Gyda for
control of the Flashlink section is installed).
Serial GYDA B:
Not in use
Ethernet GYDA A:
10/100Base-T Ethernet bus for external router control (if Multicon
Gyda for control of the Flashlink section is installed).
Ethernet GYDA B:
Not in use
Service connectors
I/O #129 - 256
I/O #1 - 128
Service connectors