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+ADw-title+AD4-Coastcom D/I Mux III Common Equipment Options+ADw-/title+AD4-
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Mux III +ADw-br+AD4-
Common Equipment Options+ADw-/font+AD4APA-/b+AD4APA-font face+AD0AIg-Arial+ACIAPgA8-br+AD4-
+ADw-img src+AD0AIg-images/liu-series+AF8-183.jpg+ACI- width+AD0AIg-183+ACI- height+AD0AIg-150+ACIAPgAm-nbsp+ADsAPA-br+AD4-
+ADw-/font+AD4APA-b+AD4APA-font face+AD0AIg-Arial+ACI- color+AD0AIgAj-FF0000+ACIAPg-D/I Mux III Common Equipment
Options+ADw-/font+AD4APA-/b+AD4APA-/p+AD4-
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D/I Mux III Common Equipment Options +ADw-br+AD4-
Common equipment units are the essentials of every multiplexer. They control
the system, perform the multiplexing function, and interface to the T1
transmission lines. A D/I Mux III must have either a Common Control Unit (CCU)
or an Advanced Multiplexer Control Unit (AMCU), two Line Interface Units (LIUs),
a Dual DSX-1 or Dual CSU Interface, Strobe cards (upper and lower strobe cards
for the 24-slot shelf), and a power supply. These are the units common to
every system, and they reside in specific shelf card slots. +ADw-br+AD4-
+ADw-br+AD4-
+ADw-b+AD4-
+ADw-span class+AD0AIg-subHeading+ACIAPg-Common Control Unit (CCU) and (AMCU)+ADw-/span+AD4APA-img src+AD0AIg-images/amcu+AF8-183.jpg+ACI- align+AD0AIg-right+ACI- width+AD0AIg-183+ACI- height+AD0AIg-259+ACIAPgA8-/b+AD4APA-br+AD4-
The Common Control Unit (CCU) -- and most recent upgrade, AMCU -- stores the
operating parameters for control and monitoring of all common equipment and
channel cards in the D/I Mux III. +ADw-br+AD4-
+ADw-br+AD4-
+ADw-span class+AD0AIg-Sub2Heading+ACIAPg-The primary functions of the CCU are:+ADw-/span+AD4APA-/font+AD4APA-/p+AD4-
+ADw-ul+AD4-
+ADw-li+AD4APA-font face+AD0AIg-Arial+ACIAPg-Provide an interface for an asynchronous terminal or network management
system+ADw-br+AD4-
+ACY-nbsp+ADsAPA-/font+AD4APA-/li+AD4-
+ADw-li+AD4APA-font face+AD0AIg-Arial+ACIAPg-Control and monitor other common equipment and channel cards+ADw-br+AD4-
+ACY-nbsp+ADsAPA-/font+AD4APA-/li+AD4-
+ADw-li+AD4APA-font face+AD0AIg-Arial+ACIAPg-Manage all alarm functions+ADw-br+AD4-
+ACY-nbsp+ADsAPA-/font+AD4APA-/li+AD4-
+ADw-li+AD4APA-font face+AD0AIg-Arial+ACIAPg-Control T1 clock selection+ADw-br+AD4-
+ACY-nbsp+ADsAPA-/font+AD4APA-/li+AD4-
+ADw-li+AD4APA-font face+AD0AIg-Arial+ACIAPg-Control alarm cutoff (ACO) and bypass (BYP) functions+ADw-br+AD4-
+ACY-nbsp+ADsAPA-/font+AD4APA-/li+AD4-
+ADw-li+AD4APA-font face+AD0AIg-Arial+ACIAPg-Provide a date and time clock (?real time? clock)+ADw-br+AD4-
+ACY-nbsp+ADsAPA-/font+AD4APA-/li+AD4-
+ADw-li+AD4APA-font face+AD0AIg-Arial+ACIAPg-Provide nonvolatile storage of the shelf configuration Click here for
more detail about the AMCU +ADw-/font+AD4- +ADw-/li+AD4-
+ADw-/ul+AD4-
+ADw-p+AD4APA-font face+AD0AIg-Arial+ACIAPgA8-span class+AD0AIg-subHeading+ACIAPgA8-br+AD4-
+ADw-b+AD4-Power Supply Options+ADw-br+AD4-
+ADw-/b+AD4APA-/span+AD4APA-br+AD4-
+ADw-span class+AD0AIg-Sub2Heading+ACIAPg-Power Supply -48 VDC Redundant +ADw-/span+AD4APA-br+AD4-
DC-to-DC converter used to power D/I Mux equipment from an external -48 VDC
input supply. Generates 12 and 5 volt outputs as well as failure alarm
signals. Also provides primary (-48v) power fusing. Can be used in a redundant
or load sharing configuration when two power supplies are installed. When
configured with FXS cards order modular Ring Generator 30333-101. Can be used
in an 8/12/24 slot chassis. Replaces 30338-102.+ADw-br+AD4-
+ADw-br+AD4-
+ADw-span class+AD0AIg-Sub2Heading+ACIAPg-Power Supply 120 VAC +ADw-/span+AD4APA-br+AD4-
An AC/DC self-contained single-slot power supply that provides all of the
voltages necessary to operate a D/I Mux III - except ringing voltage. When
configured with FXS feature cards, order modular Ringing Generator 30333-101.
Provides 12, 5, and -48. Can be used in 8, 12 and 24-slot shelves.
Replaces a 30308-102A and the combination option of 30315-105A with
30338-103A. +ADw-span class+AD0AIg-textItalic+ACIAPg-Cannot be used in combination with any
other power supply.+ADw-/span+AD4APA-br+AD4-
+ADw-br+AD4-
+ADw-br+AD4-
+ADw-b+AD4-
+ADw-span class+AD0AIg-subHeading+ACIAPg-Line Interface Units A +ACY-amp+ADs- B (LIUs)+ADw-/span+AD4APA-img src+AD0AIg-images/liu-series+AF8-183.jpg+ACI- align+AD0AIg-right+ACI- width+AD0AIg-183+ACI- height+AD0AIg-150+ACIAPgA8-br+AD4-
+ADw-/b+AD4APA-br+AD4-
The LIUs interface to the network connection point (T1 Interface). This unit
supports software selection of the line coding, and operates in one of three
modes: looped timing, internal timing, and external timing. Both LIUs are
required for the D/I Mux III to operate in standard channel bank
configuration. Coastcom offers two types of LIUs, one for standard Channel
Bank Drop-and-Insert +ACY-amp+ADs- Dual Channel Bank, one of which is ALPS specific.
Automatic Loop Protection System (ALPS)+ADw-br+AD4-
+ADw-br+AD4-
In the event of a line failure, ALPS heals your network automatically without
external network management control. Using counter rotating ring technology,
it creates an inner and an outer loop. When a T1 link fails, ALPS switches
service from the outer loop to the inner loop. The common equipment necessary
for ALPS is Coastcom's Advanced LIU and an Advanced CCU or MCU. +ADw-br+AD4-
+ADw-br+AD4-
+ADw-b+AD4-
+ADw-span class+AD0AIg-Sub2Heading+ACIAPg-Dual CSU+ADw-br+AD4-
+ADw-/span+AD4APA-/b+AD4APA-br+AD4-
Used when T1-1 is connected to the network and T1-2 is connected to a PBX or a
DSX-1 interface on microwave, fiber, higher order multiplexer or DCS. Provides
CSU loop backs and automatic repeated bypass during system alarm. Equipped
with full bantam jackfield. +ADw-br+AD4-
+ADw-br+AD4-
There are three versions of Dual Channel Service Unit (CSU) interfaces
available: T1/DSX-1, T1/T1, and DSX-1/DSX-1. Each CSU provides slightly
different options and capabilities for equalizing output across twisted-pair
cable. This process is called line build-out (LBO). This is required to
compensate for the characteristics of the twisted-pair cable so that the
correct signal level and shape is received at the DSX-1. +ADw-br+AD4-
+ADw-br+AD4-
With the T1/DSX-1 version, LBO is provided on the T1-1 (network) side, and an
equalizing network is provided on the DSX-1 (terminal) side. This version can
be used, for example, between a T1-2 network and a digital PBX. +ADw-br+AD4-
+ADw-br+AD4-
The T1/T1 version provides line build-outs on both sides as well as on both
T1-1 and T1-2 to interface to T1 carriers. This version is used in
drop-and-insert or dual channel bank applications. +ADw-br+AD4-
+ADw-br+AD4-
The DSX-1/DSX-1 version provides DSX equalization on both sides. This version
is +ADw-br+AD4-
for private networks which require T1 test capabilities. DSX-1 interfaces work
well with transmission equipment such as microwave radios and fiber optic
modems. +ADw-br+AD4-
+ADw-b+AD4-
+ADw-br+AD4-
+ADw-span class+AD0AIg-Sub2Heading+ACIAPg-Other Equipment+ADw-br+AD4-
+ADw-/span+AD4APA-/b+AD4APA-br+AD4-
Other standard common equipment includes a variety of T1 Interfaces, power
supply units, and strobes, and optional Facility Data Link Communications Unit
(FDL).+ADw-br+AD4-
+ADw-br+AD4-
+ADw-b+AD4APA-a href+AD0AIg-Coastcom+AF8-DIMUXIII.htm+ACIAPg-The Coastcom
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