Справочник Пользователя для Adtran TRC6420
TRACER 6420 System Manual
Section 4 Network Turnup Procedure
612806420L1-1A
Copyright © 2005 ADTRAN, Inc.
39
6.
SUPPLYING POWER TO THE UNIT
The TRACER 6420 can operate from a supply between 21 and 60 VDC, with either polarity referenced to
ground. Power supplies should be able to provide up to 25 Watts at the selected voltage. A dual pin terminal
plug accepts power at the rear panel of the unit, providing a voltage (
ground. Power supplies should be able to provide up to 25 Watts at the selected voltage. A dual pin terminal
plug accepts power at the rear panel of the unit, providing a voltage (
+/–
) and ground (
GND
) reference point.
7.
MOUNTING OPTIONS
Install the TRACER 6420 in a location that requires minimal antenna feedline length (the loss in this cable
directly affects overall system performance). The TRACER 6420 is designed to be mounted in a rack. If
multiple units are installed in one location, one half inch of spacing is recommended above and below the
unit.
directly affects overall system performance). The TRACER 6420 is designed to be mounted in a rack. If
multiple units are installed in one location, one half inch of spacing is recommended above and below the
unit.
The TRACER 6420 systems are 1U high, rack-mountable units which can be installed into 19- (see Figure 2)
or 23-inch (see Figure 3 on page 40) equipment racks using the supplied rackmount brackets (3265498@B).
Follow these steps to mount the TRACER 6420 into a rack:
or 23-inch (see Figure 3 on page 40) equipment racks using the supplied rackmount brackets (3265498@B).
Follow these steps to mount the TRACER 6420 into a rack:
•
This unit shall be installed in accordance with Article 400 and 364.8 of the
NEC NFPA 70 when installed outside of a Restricted Access Location (i.e., central
office, behind a locked door, service personnel only area).
office, behind a locked door, service personnel only area).
•
Power to the TRACER 6420 DC system must be from a reliably grounded
21-60 VDC UL Listed or CSA Certified ITE Power Supply with outputs meeting LPS
requirements.
requirements.
•
A readily accessible disconnect device that is suitably approved and rated shall be
incorporated in the field wiring.
incorporated in the field wiring.
Instructions for Rackmounting the TRACER 6420
1
Position the TRACER 6420 in a stationary equipment rack. This unit takes up 1U of
space. To allow proper grounding, scrape the paint from the rack around the
mounting holes where the TRACER 6420 will be positioned.
space. To allow proper grounding, scrape the paint from the rack around the
mounting holes where the TRACER 6420 will be positioned.
2
Have someone else hold the unit in position as you install two mounting bolts
through the unit’s brackets and into the equipment rack using a #2 Phillips
screwdriver.
through the unit’s brackets and into the equipment rack using a #2 Phillips
screwdriver.
Be careful not to compromise the stability of the equipment mounting rack when installing
this product.
this product.