
Chapter 1.
1. Only an even numbered BM can be made as an RSU
2.
RSU Side :
(BM-L/BM-XL)
- To distinguish between a Remote Base Module and
colocated Base Module, the Most Significant Bit (MSB)
position on each column of jumper settings on copy 0 and
copy 1 side of Base Processor Unit (BPU) mother board is
made one, i.e. it is left open.
- Time Switch Switch (TSS) card will be replaced by
Enhanced Remote Time Switch (ETS) card.
- For connection with the parent exchange, two sets of
digital trunk cables for Bus-0 and Bus-1 from the Time
Switch Unit (TSU) of RBM will be laid towards the
DDF/MDF.
3.
CM Side
- On the CM side, Space Switch Multiplexer card in Bus
Termination unit will be replaced by Enhanced Remote
Space Switch Multiplexer in the slot where a RSU link is
to be connected as given below.
CM-L : SSM replaced by ESL
CM-XL : PSM replaced by ESM
- Two sets of digital trunk cables coming from the RSU (i.e.
from DDF of CM side) as Bus-0 and Bus-1 will be
terminated on to corresponding bus of ESL/ESM card in
BTU. The other position in the same ESL/ESM card will
be used for connecting a colocated BM.
Note:
Each SSM/PSM supports two local BMs
Each ESL/ESM supports one local BM and one RBM.
6 C-DOT DSS MAX-XL
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