INSTALLATION
2-4
2.2.2 Setting The STATION Port Interface Ring Speed
Switch 2 sets the ring speed of the STATION port interface
(see
Table 2-2
). The STATION port interface must be set to the same
speed as the ring that it will manage.
2.2.3 Clearing NVRAM
Switch 4 clears NVRAM. The hub’s configuration is stored in the
NVRAM of the management module. To clear NVRAM and erase the
configuration of the hub (except for the System Time and System Date),
move Switch 4 to the opposite position. This a toggle switch, therefore
ON/OFF are irrelevant.
2.2.4 Forced Network Download
The JP2 jumper is used to force the TRMM-2 to initiate a BootP server
forced network download. Any repositioning of JP2 will cause the
TRMM-2 to initiate a network download. If no BootP server responds, the
TRMM-2 will continue to send BootP requests until it is reset. Upon
reset, it will send BootP requests (less than eleven times). If no BootP
server responds, the TRMM-2 will resume normal operation booting from
the Flash memory instead. (Consult
Figure 2-1
for the location of the JP2
jumper.)
2.3 MANAGEMENT MODULE OVERRIDES
The TRMM-2 treats the configuration setting of single ring MIMs
differently than port switching MIMs.
2.3.1 Single Ring MIMs
The TRMM-2 will not override single ring MIMs. The TRMM-2 will
read the configuration jumpers/switches on single ring MIMs and
implement those settings.
Table 2-2
Setting STATION Port Interface Ring Speed
Switch 2 Position
STATION Port Interface
Ring Speed
On
16 Mbps (Default setting)
Off
4 Mbps
Содержание TRMM-2
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