Adtran total access 1500 quad line interface unit Bedienungsanleitung
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Netzwerksplitter
total access 1500 quad line interface unit
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®Section 61180019L1-5A
Issue 1, May 2004
CLEI Code: VAM5500F_ _
61180019L1-5A 1
Trademarks: Any brand names and product names included in this document are
trademarks, registered trademarks, or trade names of their respective holders.
Figure 1. Total Access 1500 19-Inch Chassis
CONTENTS
1. General .................................................................... 1
2. Installation............................................................... 3
3. Maintenance .......................................................... 13
4. Specifications ........................................................ 13
5. Warranty and Customer Service ........................... 14
FIGURES
Figure 1. Total Access 1500 19-Inch Chassis............. 1
Figure 2. Flush-Mount Bracket Orientation................ 4
Figure 3. Mid-Mount Bracket Orientation .................. 4
Figure 4. Power and Ground Connectors.................... 5
Figure 5. Backplane and Pinouts................................. 6
Figure 6. Ring Generator Terminal............................. 7
Figure 7. Daisy-Chained Composite Clock Wiring .... 8
Figure 8. Alarm Contacts .......................................... 10
Figure 9. RS-485 Wiring........................................... 12
TABLES
Table 1. Compliance Codes ........................................ 2
Table 2. Specifications .............................................. 13
1. GENERAL
This practice is an installation and maintenance guide
for the ADTRAN Total Access 1500® 19-Inch Chassis
(P/N 1180019L1). Figure 1 illustrates the a populated
19-Inch Chassis.
Revision History
This is the initial issue of this practice. Future changes
to this documentation will be explained in this
subsection.
Features
The basic features of the Total Access 1500 19-Inch
Chassis include the following:
• Rackmount design
• Scalable network connectivity
• 1-5 T1 capacity (4 T1s and a Protect T1 for TR-08
applications utilizing a Quad LIU)
• Three common modules:
– Power Supply/Ring Generator Unit (PSU/RGU)
– System Controller Unit (SCU)
– Line Interface Unit (LIU)
• T1 Network Interface
• 18 slots for combination of voice and data services
• Variety of access module units
• Network management capabilities (TL1, SNMP)
• Multiple configuration arrangements
• TR-08 compatible (Modes 1, 2, and 3)
• Supports Mechanized Loop Testing (MLT)
• NRTL Safety Listed and FCC compliant
• Meets NEBS Level 3 requirements
Description
The Total Access 1500 19-Inch Chassis is designed to
meet a variety of operating configurations and services,
such as POTS and Special Services. The Total Access
1500 19-Inch Chassis is intended for use in Central
Office (CO), Remote Terminal (RT), and customer
premises applications. The Total Access 1500 System is
comprised of the chassis, common modules, and access
modules.
Total Access 1500 19-Inch Chassis
Installation and Maintenance Practice
PSU-A PSU-APSU-B SCU 1 2 3 4 5 6 7 8 9 10 11 12 1413 15 16 17 18LIU-B
1180008L2
POTS RTPOTS RTPOTS RTPOTS RTPOTS RTPOTS RTPOTS RTPOTS RTPOTS RTPOTS RTPOTS RTPOTS RTPOTS RTPOTS RTPOTS RTPOTS RTPOTS RTPOTS RT
1180007L3 1180007L3
2 Issue 1, May 2004 61180019L1-5A
The Total Access 1500 19-Inch Chassis is 19-inches
wide by 3.50-inches high by 10.75 inches deep, and the
chassis mounts in a standard 19 or 23-inch wide rack.
The Total Access 1500 19-Inch Chassis and is made of
heavy gauge metal.
Common Modules
The common modules supported by the Total Access
1500 19-Inch Chassis are described below.
PSU/RGU
The Power Supply Unit/Ring Generator Unit (PSU/
RGU) receives –48 VDC from an external source to
provide all necessary voltages required by the other
common modules and channel units. Two PSU/RGUs
may be installed to provide fully redundant operation.
Through switch mode operation, either PSU converts
the incoming –48 VDC to regulated +3.3 VDC,
+5 VDC, and unregulated –7.5 VDC, –24 VDC, and
–48 VDC for distribution to the other modules. Ring
voltage circuitry within the PSU generates 105 Vrms
nominal, 20 Hz ring voltage for distribution to the
channel bank’s voice modules. Ring voltage is disabled
by removing the 5-amp GMT front panel fuse labeled
20Hz. The PSU/RGU does not require provisioning
prior to insertion into the channel bank.
CAUTION
The Total Access 1500 19-Inch Chassis
requires the use of the List 3 and List 4 PSUs
(P/N 1180007L3, 1180007L4).
SCU
The System Controller Unit (SCU) provides network
management capability for the channel bank. The SCU
is used to provision, test, and determine status for any
module in the channel bank. It is also available in
Central Office Terminal (COT) and Remote Terminal
(RT) versions with Mechanized Loop Testing. The front
panel has craft interface, test equipment timing output,
alarm and status indicators, plus an Alarm Cut-Off
(ACO) switch.
LIU
The Line Interface Unit (LIU) terminates up to four T1
lines, with a separate T1 that is included for protection
switching with the Quad LIU or two T1 lines with the
Dual LIU. The LIU generates control signals and clocks
used by the channel units, and controls both manual and
remotely initiated T1 loopbacks. It detects alarm condi-
tions and reports the alarm status to the SCU.
The LIU front panel has a dual bantam jack for T1 test
access, status LEDs, and a STATUS pushbutton.
WARNING
If two (redundant mode) List 2 Quad LIUs
(P/N 1180109L2) are utilized in the Total
Access 1500 19-Inch Chassis, the T1 (DSX-1)
interfaces must not be metallically connected
to interfaces that connect to the Outside Plant
or its wiring. These interfaces are designed for
use as intra-building interfaces only. The
addition of Primary Protectors is not sufficient
protection in order to connect these interfaces
metallically to OSP wiring.
It is permissible to connect the T1 (DS-1)
interface metallically to the OSP if only one
LIU (non-redundant mode) is to be used at any
time in the Total Access 1500 19-Inch Chassis.
Access Modules
The Total Access 1500 System incorporates a complete
array of local loop access technologies into an
integrated intelligence system. Most access modules
occupy one slot in the Total Access 1500 19-Inch
Chassis.
The access modules supported by Total Access 1500
System are listed in the Total Access 1500 System
Manual (P/N 61180001L1-1). Refer to individual the
Installation and Maintenance Practices and Job Aids for
detailed information on installation, testing, operation,
maintenance, and troubleshooting.
Compliance
Table 1 shows the compliance codes for the Total
Access 1500 19-Inch Chassis. The 19-Inch Chassis is
NRTL listed to the applicable UL standards. The 19-
Inch Chassis is to be installed in a restricted access
location and in a Type “B” or “E” enclosure only.
Table 1. Compliance Codes
Code Input Output
Power Code (PC) F C
Telecommunication Code (TC) X X
Installation Code (IC) B –
61180019L1-5A Issue 1, May 2004 3
This device complies with Part 15 of the FCC rules.
Operation is subject to the following two conditions:
1. This device may not cause harmful interference.
2. This device must accept any interference received,
including interference that may cause undesired
operation.
Changes or modifications not expressly approved by
ADTRAN could void the user’s authority to operate this
equipment.
2. INSTALLATION
After unpacking the Total Access 1500 19-Inch
Chassis, inspect it for damage. If damage has occurred,
file a claim with the carrier, then contact ADTRAN
Customer Service. Refer to the Warranty and Customer
Service section for further information. If possible, keep
the original shipping container for returning the 19-Inch
Chassis for repair or for verification of shipping
damage.
NOTE
This product is intended for installation in
restricted access locations only.
CAUTION
Electronic modules can be damaged by ESD.
When handling modules, wear an antistatic
discharge wrist strap to prevent damage to
electronic components. Place modules in
antistatic packing material when transporting
or storing. When working on modules, always
place them on an approved antistatic mat that is
electrically grounded.
WARNING
To prevent electrical shock, do not install
equipment in a wet location or during a
lightning storm.
Tools Required
The required tools for the Total Access 1500 19-Inch
Chassis installation are as follows:
• Wire-wrap tool
• #2 phillips-head screwdriver
• #1 phillips-head screwdriver
• Straight-slot-head screwdriver
• Multimeter
• Crimping tool for power lugs
• Wire strippers
• Side cutters
• 3/16-inch wrench
Material that should be on hand includes the following:
• Four screws for mounting each Total Access 1500
19-Inch Chassis to the rack
• Shielded 2-wire, twisted pair cross-connect wire
with drain, such as AT&T P7 wire
• Insulated wire for power connections
• Insulated wire for frame ground
• Lugs for the power wire and Frame Ground
connection
Unpack and Inspect the Chassis
Each Total Access 1500 19-Inch Chassis is shipped in
its own cardboard shipping carton unless it was ordered
as a fully racked cabinet or wall mount system. Open
each carton carefully and avoid cutting too deep into the
carton with sharp objects.
Mounting the Chassis
The Total Access 1500 19-Inch Chassis can be flush-
mounted or mid-mounted.
Mounting Bracket Orientation
The Total Access 1500 19-Inch Chassis comes with
mounting brackets that can be mounted with the flanges
facing forward or backward in two different locations
on the chassis sides. This allows the chassis to be flush-
mounted or mid-mounted. Attaching the mounting
brackets to the chassis requires three screws on each
side that are supplied with the unit.
The mounting brackets can be used for 19 or 23-inch
rack applications:
• The narrow side should be screwed to the chassis
for a 23-inch rack.
• The wide side should be screwed to the chassis for
a 19-inch rack
C A U T I O N !
SUBJECT TO ELECTROSTATIC DAMAGE
OR DECREASE IN RELIABILITY.
HANDLING PRECAUTIONS REQUIRED.
Produktspezifikationen
| Marke: | Adtran |
| Kategorie: | Netzwerksplitter |
| Modell: | total access 1500 quad line interface unit |
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