Verilink C100 (880-502893-001) Product Manual - Manual (Page 127)

C100 and C150 SNMP MIB
6/15/99 Verilink C100 and C150 T1/FT1 CSU/DSUs D-13
dsx1FracIndex Object - (dsx1FracEntry 1)
The index value which uniquely identifies the DS1 interface to which
this entry is applicable. The interface identified by a particular value of
this index is the same interface as identified by the same value an
dsx1LineIndex object instance.
dsx1FracNumber Object - (dsx1FracEntry 2)
The channel number for this entry.
dsx1FracIfIndex Object - (dsx1FracEntry 3)
An index value that uniquely identifies an interface. The interface
identified by a particular value of this index is the same interface as
identified by the same value an ifIndex object instance. If no interface
is currently using a channel, the value should be zero. If a single
interface occupies more than one time slot, that ifIndex value will be
found in multiple time slots.