Physical Description; General; 336-Part Control Cabinet; 100 3-L - Mitel SX-200 Practices

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PHYSICAL DESCRIPTION
General
3.1 The number of cabinets in an SX-200 DIGITAL system depends upon the type of
configuration:
. The 336port
configuration consists of a Control cabinet. ;
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The 456,480-, and 672-port configurations consist of a Control cabinet and an
optional Peripheral cabinet.
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The SX-200FD system configuration consists of a Control Cabinet and up to seven
Peripheral Cabinets.
Control Cabinet for 336,4!56-, and 48O-Port Configurations
3.2 The Control Cabinet for the 336,456, and 48O-por-t configurations contains a 144
port digital Control shelf with Bay 1 and Bay 2 in the lower position (COMBO
backplane). Its Floppy Disk Drives plug directly into the backplane, and its Main
Control Card directly controls up to three 6-circuit Power Fail Transfer cards. Access
to the control and peripheral cards is through the front door of the cabinet. The rear
door allows access to line, trunk, and PCM cable entries, and to the PFT cards.
336-part Control Cabinet
The SX-200 DIGITAL PABX 336port Control cabinet (Figure 3-l) includes a digital
shelf (Bays 3 and 4,96 ports each) above the 144 port Control shelf. Bays 3 and 4 are
similar to Bay 1, except each also has a Bay Control Card (but no Disk Drive). The Bay
4 backplane does not have to be added concurrently with the shelf and Bay 3
backplane. The 336-par-t PABX is a single cabinet system. It cannot have a Peripheral
cabinet.
Digital Bay 1 contains:
1 Bay Power Supply, 1 Floppy Disk Drive (powered and
controlled from Bay 2), and up to 8 Digital Peripheral cards.
Digital Bay 2 contains:
1 Main Control Card, 1 Bay Power Supply, 1 Floppy Disk Drive,
and up to 4 Digital Peripheral cards.
Digital Bays 3 and 4 each contain:
1 Bay Power Supply, 1 Bay Control Card, and up
to 8 Digital Peripheral cards.
4!56--port Control Cabinet
The SX-200 DIGITAL PABX 456port Control cabinet (Figure 3-l) includes a digital
shelf (with Bay 3 only, 96 ports) above the 144 port Control shelf; Bay 3 is similar to Bay
1, except it also has a Bay Control Card (but no Disk Drive).
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