Specifications

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DE3, the single-port E3 interface module, supports multiplexing
of up to 16 E1 channels into an E3 frame per ITU-T G.751. DE3
is available with either coax or fiber interfaces.
DHL/T1, the two-port HDSL module, uses HDSL technology to
extend the range of the DXC up to 4.0 km (2.5 miles) over 24
AWG (0.5 mm), 4-wire copper cable. It works opposite other
RAD products with HDSL technology (such as HTU - T1, HTU -
T1L and Megaplex - 2100/2200 with MLH and HSH modules).
DHL/T1 complies with ITU-T G.704 and ANSI T1E1.4.
D4E1/D8E1, the four or eight-port E1 interface module, provides
4 or 8 E1 links over copper cable supporting E1 or Fractional E1
rates
D4T1/D8T1, the four-port or eight-port T1 interface module,
provides 4 or 8 T1 links over copper cable supporting T1 or
Fractional T1 rates.
D8U/D16U, the 8 or 16-port ISDN "U" interface module,
provides independent ISDN "U" ports, each supporting 2B + D
channels, for total payload data rate up to 128 kbps per port.
D8U/D16U can be configured either to extend ISDN lines over
non-ISDN facilities (/I mode) or as dedicated line termination
unit for the ASM - 31 or ASMi - 31 short-range modems.
MODULES
DIM, the Digital Inverse Multiplexer module, working in
conjunction with DE1, DE1B, DT1, DT1B, DE3, DT3, D8E1
or D8T1 interface modules, enables DXC to function as an
inverse multiplexer. DIM allows transmission of high speed
signals over up to eight E1/T1 lines. This is achieved by
breaking down the high speed signals over the multiple
E1/T1 lines and routing these signals over different paths or
facilities, while ensuring transmission integrity. The DIM is
available with both serial and Ethernet interfaces.
DHL/E1, the two-port HDSL module, uses HDSL technology
to extend the range of the DXC up to 4.0 km (2.5 miles) over
24 AWG (0.5 mm), 4-wire copper cable. It works opposite
other RAD products with HDSL technology (such as HCD-
E1, HTU - E1, HTU - E1L, HTU - 2 and Megaplex - 2100 with
ML-H modules). DHL/E1 complies with ITU-T G.704 and
ETSI ETR-152 standards.
DHL/E1/2W, the two-port HDSL module, uses HDSL
technology to extend the range of the DXC up to 3.0 km (1.9
miles) over 24 AWG (0.5 mm), 2-wire copper cable. It can
work in conjunction with the HCD-E1/2W to extend the range
of the traditional subscriber loop while saving on the copper
infrastructure. DHL/E1/2W complies with ITU-T G.704 and
ETSI ETR-152 standards.
DXC 100 Modular Multiservice Access Node
The modular, 6U high DXC-100 device is the latest addition to the DXC family
of multiservice access nodes. Each chassis supports up to 80 n x 56/64 kbps,
88 E1/T1, eleven E3/T3, or four STM-1/OC-3 links. Up to eight chassis can be
stacked to support up to 640 n x 56/64 kbps, 688 E1/T1, 80 E3/T3 or 32 STM-
1/OC-3 lines, for a powerful, central site solution. The scalable platform
enables carriers to deploy a system with low entry cost to meet their current
requirements, and add additional chassis and modules as their customer base
grows.
The basic DXC-100 chassis is 10.5” (6U) high, and NEBS Level 3 certified.
The chassis includes eleven I/O slots for the plug-in interface module sets.
Each module set consists of a front main module and a rear interface module.
The power supply and system manager modules are not provided with the
chassis and must be ordered separately. Optional redundancy for the system
manager and power supply modules are available.