Nortel DMS-10 Series Installation, Operation And Maintenance Manual page 561

Table 6-9
CPU with DMA PCA (A1 and B1) options - part number: NT6M62BA
Device type Position/setting
number
Note: There are no customer-definable options on this PCA. Information is shown for reference
only. This data is to be used during initial BMC system installation and/or PCA replacement to
ensure the replacement PCA is set-up in the same fashion as the PCA being replaced.
Jumper 2-3
1
(J3)
1-2:
Jumper In:
1
(JU1)
Out:
Jumper All
(JU2)
Jumper Out:
(JU3 &JU4)
Strap None used
DIP Switch On:
(SW2-1) Off:
DIP Switch On:
(SW2-2) Off:
BMC II BISYNC Operation, Administration, and Maintenance Guide BMCB001 and up
Section 060-INDP-610 Maintenance Procedures Guide 6-123
8 KHz clock enabled.
60 Hz clock from AC
adapter, if present.
Enable 8KHz clock
receiver.
Disable 8KHz clock
receiver.
Enable additional wait
states.
Connects the internal
8KHz to pin 85 of the
backplane connector.
Outputs = Inputs
Output = Tristated
+5V output enabled
+5V output disabled
(Sheet 1 of 2)
Function
Determines whether the
BMC uses 8 KHz or the
optional ac clock.
Control operation of
8KHz clock receiver.
Enable the addition of
wait states (up to 5) on
the ABCD inputs of the
counter chip.
Attachment of
peripherals; not defined
at this time.
Control Logic Analyzer
Port.
Provide +5 V dc to
Analyzer Port connector
(pin 21) for powering
certain types of external
testers. (Limited to
250ma.)
Setting
Factory On-site
1-2
pin 1 is
closest to
gold finger
contact.
In
Configured
for 1 wait
state in the
copper
tracings
Out
(Currently
unused)
1 = Off
2 = Off