SX-200 General Information Guide
42
Revision A
50003510
You can have either two or three links to each peripheral bay:
•
With a MCCIIIEL / ELx control card, the Control Dual FIM Carrier card or the Control Triple
CIM card provides three links per peripheral bay
•
With an MCCIIIEL control card, the Control Triple FIM Carrier card or the Control Triple
CIM card provides two links per peripheral bay
•
With an MCCIIIELx control card (installed in a SX-200 ELx cabinet PN 9109-600-002-NA)
the Triple FIM Carrier card or the Control Triple CIM card provides three links per peripheral
bay.
If you provide two links to each bay:
•
You can have a maximum of seven cabinets in the system
•
Prior to LIGHTWARE 18 Release 2.0, you could have one bay with two T1 trunk cards
and the other bays with one T1 trunk card to total a maximum of seven T1 trunk cards in
the system
•
With LIGHTWARE 18 Release 2.0 or greater, you can have a total of 8 T1 links in the
system with a maximum of 2 T1 links per bay
•
If a T1 trunk card is installed in slot 10 of a bay, you cannot install a peripheral interface
cards in slot 5; if a T1 trunk card is installed in slot 11, you cannot install a peripheral
interface card in slot 6
•
T1 links from a T1/E1 module on a BCC III also occupy slots 5 and 6 in software only
•
Calls must be evenly distributed across all bays
•
Maximum channel blocking ratio is 0.58.
If you provide three links to each bay
•
You can have a maximum of seven cabinets in the system
•
Prior to LIGHTWARE 18 Release 2.0, you could have one bay with two T1 trunk cards
and the other bays with one T1 trunk card to total a maximum of seven T1 trunk cards in
the system.
•
With LIGHTWARE 18 Release 2.0 or greater, you can have a total of 8 T1 links in the
system with a maximum of 2 T1 links per bay.
•
If a T1 trunk card is installed in slot 10 of a bay, you cannot install a peripheral interface
cards in slot 5; if a T1 trunk card is installed in slot 11, you cannot install a peripheral
interface card in slot 6.
•
T1 links from a T1/E1 module on a BCC III also occupy slots 5 and 6 in software only.
Note:
A manual switch on the Control Triple CIM card controls whether the card will
emulate a Control Dual FIM Carrier card or a Control Triple FIM Carrier card.
Note:
As a guideline to achieve a P.0001 grade of service (one failure in 10,000 calls)
for a Bay connected via a Control Triple FIM Carrier, the recommended maximum
calls/hour is 500 based on traffic tables. With a typical call hold time of 2 minutes and 12
seconds the total Erlang rate is 18.33 (660 CCS) for the whole Bay. The half Bay would
therefore be 9.17 Erlangs (330 CCS) at 250 calls/hour. It is important that calls be evenly
distributed across all Bays.
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