Model 9289
Spectracom Corporation
NetClock/NTP Network Time Provider Instruction Manual
2-4
2.2
Required Tools and Cables
1) Phillips screwdriver to install the unit’s rack-mount ears.
2) Screwdriver to mount the unit in a standard 19-inch rack.
3) Wire strippers for the RS-485 cabling.
4) Supplied jeweler’s type screwdriver for tightening the RS-485 wiring terminal block
connectors (Located in the ancillary kit).
5) RS-232 straight-thru DB9 to DB9 cable (supplied)
6) Ethernet cables (Refer to Section 2.6).
2.3
Power and Ground Connection
WARNING:
This equipment has a connection between the earthed
conductor of the DC supply circuit and the earthing conductor.
This equipment shall be connected directly to the DC supply
system earthing electrode conductor or to a bonding jumper
from an earthing terminal bar or bus to which the DC supply
system earthing electrode conductor is connected.
This equipment shall be located in the same immediate area
(such as, adjacent cabinets) as any other equipment that has
a connection between the earthed conductor of the same DC
supply circuit and the earthing conductor, and also the point of
earthing of the DC system. The DC system shall not be
earthed elsewhere.
The DC supply source is to be located within the same
premises as this equipment.
Switching or disconnected devices shall not be in the earthed
circuit conductor between the DC source and the point of the
connection of the earthing electrode conductor.
CAUTION:
Electronic equipment is sensitive to Electrostatic Discharge
(ESD). Observe all ESD precautions and safeguards when
handling Spectracom equipment.
An external AC to DC power adapter powers the NetClock.
Summary of Contents for 9289
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