ATL Telecom AM2048 - Manual (Page 25)

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8.4 MOTHERBOARD
The motherboard is fitted with a ‘bootblock download enable’ switch that is accessible from
the underneath of the plastic housing. This makes it unnecessary to open the case to enable
the downloading of new bootblock software.
ACCESS TO BOOTBLOCK SWITCH
It may occasionally be required to to update the bootblock software to a later build as part of
an upgrade to the modem. The switch must be placed in the enable position for the modem
to accept a new version of bootblock software.
FRONT
Disable Enable
ATL TELECOM USER GUIDE
AM2048A
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8
46 ATL TELECOM USER GUIDE
AM2048A
In DCE mode, the module may be configured to generate Byte Timing (B) or receive the DTE
clock (X).
In DTE mode, the module may be configured to receive Byte Timing (B) or generate a DTE
clock (X).
8.3 V.35 PLUG IN MODULE
The V.35 module may be configured as a DCE or DTE. Both links must be in the correct
position. If the links are incorrectly set, the unit will detect the illegal setting.
DCE DCE DTE DTE