MX2820 System Manual
6-4 61186003L1-1D
• Straight-slot screwdriver
• Multimeter
• Crimping tool for power lugs
• Wire strippers
• 3/16-inch wrench
MATERIALS REQUIRED
Installation of the MX2820 shelf requires the following materials:
• Insulated wire and ring lugs for the –48/±24 VDC power source and frame ground on the
barrier strip connector. For more information, refer to
“Wire Gauge and Fuse Size” in
Section 2, Engineering Guidelines.
• Insulated wire for the wire-wrap posts that connect the environmental alarms to the SCU.
• Insulated wire for the wire-wrap posts that connect AUX 1, AUX 2, and AUX 3.
• Insulated wire for the wire-wrap posts that connect the critical, major, and minor alarm
relay contacts.
• Insulated wire for the wire-wrap posts for connecting the shelves in a RS-485 configuration.
This wiring only applies for a multi-shelf configuration.
• Insulated wire for connecting CLK A and CLK B.
• Data cables for the BNC coax female connectors on the backplane of the MX2820 chassis
(DS3/STS-1 interface).
• Data cables for FutureBus connectors on the backplane of the MX2820 chassis
(DSX-1 T1/E1 interface).
• Screws for mounting each MX2820 shelf to the CO or MTU rack or RT cabinet.
• Screws for mounting each MX2820 Heat Baffle to the CO or MTU rack or RT cabinet.
• RJ-45 data cable for the 10/100Base-T Ethernet interface.
• DB-25 data cable or modem cable for the RS-232 synchronous X.25 interface (NTWK
MGMT).
• DB-9 data cable for the RS-232, serial VT100 interface (Craft interface).
WARNING
To comply with NEBS fire test requirements for CO, hut, and vault
installations, vacant slots in the MX2820 shelf need to have blank
front panels installed.
To Next Page
