Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
3.5 CHANNEL MODULE CONFIGURATION GUIDELINES
3.5.1 PHYSICAL SLOTS
The first five slots in an IMUX 2000 M-DACS T1 Multiplexer are reserved for the DACS module and
the two T1 Common Module (CM4s). The remaining 13 slots are available for channel modules.
If the shelf is equipped with the optional NCM or SAG module, the first six slots are reserved for the
DACS module, the two T1 Common Module (CM4s) and the NCM or SAG module. The remaining 12
slots are available for channel modules.
Refer to paragraph 2.3.1 for additional information.
3.5.2 TIME SLOTS
3.5.2.1 DROP/INSERT MULTIPLEXERS
Each drop/insert multiplexer terminates two T1 facilities: one in the A direction and one in the B
direction. Because of this, the total number of times slots occupied by channels set up to transmit in the
"A" Direction (that is, through Drop/Insert Module A) is limited to 24 minus the number of through
time slots, regardless of the total number of physical slots available. Similarly, the total number of
times slots that can be occupied by channel modules set up to transmit in the "B" direction (that is,
through Drop/Insert Module B) is limited to 24 minus the number of through time slots, regardless
of the total number of physical slots available.
The A and B direction time slot capacities of the drop/insert multiplexer are independent of one
another. The total capacity in each direction is 24 time slots. Unused time slots in one direction cannot
be added to the time slot capacity in the other direction.
M-DACS-T1 RFL Electronics Inc.
October 25, 2004 3-13 (973) 334-3100
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