for issues related to unsupported hardware. We strongly recommend that you use only
supported USB flash drives.
All USB flash drives used on ACX Series routers must have the following features:
• USB 2.0 or later
• Formatted with a FAT or MS-DOS file system
SEE ALSO
Configuring Junos OS on the ACX500 Router | 179
External Clocking Ports Specifications on ACX500 Routers
The external clocking port on the ACX500 router contains four SMB connectors that support 1 pulse-
per-second (PPS) signal. These signals are internally isolated and have surge protection. Use a Molex 50-
ohm SMB connector or equivalent (not provided) to connect to the external clocking ports.
SEE ALSO
Clocking Ports on ACX500 Routers | 65
ToD RS-422 and 1 PPS RS-422 Port Connector Pinout on ACX500
Routers
The port labeled TOD on the front panel is an asynchronous serial interface that accepts an RJ-45
connector (supports RS-422). Use a cable with the pinouts described in
to connect
the Routing Engine to a console management device.
106