Specifications

X-2000 General Information Guide

8 Revision A 5000309

• Fiber Interface Modules (FIMs): The SX-2000 MICRO LIGHT cabinet holds up to four

Fiber Interface Modules (FIMs).

• FIM Carrier Card: This card connects a FIM to the SX-2000 MICRO LIGHT main control.

Each FIM Carrier card has a FIM mounted on it. You can install up to four FIM Carrier

cards in PLIDs 1 2 1 to 1 2 4.

• Hard Disk Drive: The 3.5 inch wide x 1 inch high SCSI hard disk is mounted on the front

panel at the top of the cabinet. The hard disk drive is visible through an opening in the

front cover.

• Remote Storage Device (RSD) drive: An ISO-standard, 3.5 inch, magneto-optical disk

drive is mounted just below the hard disk drive on the front of the cabinet.

• Cabinet Frame: The SX-2000 MICRO LIGHT cabinet supports the system cards and

components.

• Power Distribution Unit (AC): The AC PDU filters and switches the 120/240 Vac input

power to the power converter and fan assembly.

• Power Distribution Unit (DC): The DC PDU filters and switches the -48 Vdc input power

to the power converter and fan assembly.

• Power Converter (AC): The AC Power Converter converts the AC input power to the

voltages required by the circuit cards, hard disk drive, and RSD drive. The converter is

installed in PLIDs 2 1 13 to 2 1 15.

• Power Converter (DC): The DC Power Converter converts the DC input power to the

voltages required by the circuit cards, hard disk drive, and RSD drive. The converter is

installed in PLIDs 2 1 13 to 2 1 15.

• Control Panel: The control panel, located on the right side of the front panel below the

hard disk, provides system

controls and indicators. The control panel is not visible unless

the front panel of the cabinet is removed.

• Backplane: The backplane provides slots to accommodate connection to the Main Con-

troller card, Control Resource card, four DSU cards or FIM Carrier cards, one PSC card,

eight Peripheral Interface cards, and the AC power converter. In addition, it provides the

physical and electrical interface to the SCSI ribbon cable for the hard disk drive and RSD

drive, the power cable connectors, the printer port connector, the maintenance port con-

nector, the remote alarms port connector, and the control panel connector.

• Rear Panel: The following switches and connectors are located on the rear panel of the

cabinet:

- A power on/off switch

- One fuse to protect the input power

- A 3-conductor male receptacle for connecting the AC power cord or DC terminal block

- An RS-232 maintenance port (J1) (DB-9 filtered connector)

- An RS-232 printer port (J2) (DB-9 filtered connector) for Station Message Detail Re-

cording (SMDR)

- A Remote alarms port (J9) (DB-9 filtered connector)

- Six 25-pair male, filtered, D-phone connectors (J3 to J8). All lines and trunks from the

main distribution frame connect to these connectors using 25-pair cable. Pins on con-

nector J7 also provide power and contact closure to an optional external system fail

transfer unit.