Perle Systems PERLE P850 - Manual (Page 84)

Servicing Information
78
Sanity Timer
Do not remove this strap – pins 1-2.
Force ZMODEM Software Load
On the rare occasion that during the programming of the FLASH
something happens to the bridge/router (power hit or hardware reset),
causing the FLASH to become corrupted, the bridge/router will restart
in ZMODEM receive mode only. If the bridge/router does not start in
ZMODEM receive mode, perform the following steps:
1) power down the bridge/router,
2) open the case,
3) remove the strap from the center set of pins: 3-4,
4) power up the bridge/router. The bridge/router should now restart
and be in ZMODEM receive mode.
5) Re-install the strap and replace the cover.
Please refer to Appendix E or the Menus Reference Manual for
information on how to do software upgrades.
To Clear a “Lost” Password
1) Remove power from the bridge/router.
2) Remove the case cover.
3) Remove the jumper strap on pins 5-6.
4) Re-attach the power to the bridge/router and wait for Power LED
to go green.
5) Remove power from the bridge/router.
6) Re-install the jumper strap on pins 5-6.
7) Install the case cover
8) Power up the bridge/router.
9) Log into the bridge/router using the default password “BRIDGE”
and change the password as desired.