InterReach® In-building Coverage Solution
800 ESMR, 850 Cellular, 1900 PCS
InterReach® ICS – ADC's Digital Advantage for Improving Wireless Capacity
and Coverage
The InterReach In-building Coverage Solution (ICS) is used to extend wireless coverage to specific
areas within a building, multiple buildings, or throughout a campus environment. This digital
distributed antenna system (D-DAS) solution features unique, patented technology that
distributes wireless coverage digitally over optical fiber, enabling InterReach ICS to deliver
superior signal quality, flexibility, and overall performance. Its digitized optical RF transport also
future-proofs in-building wireless infrastructure for higher data rate services. The InterReach
product family offers service providers a flexible, scalable, all-digital platform to improve
customer retention and offer enhanced services to meet increasing subscriber demands.
Features
• Digital transport maintains superior signal
• Highly scalable solution features elements
that can be daisy-chained to accommodate
large installations; elements also can be
added when coverage extension
is required.
quality even over long distance fiber runs.
• Flexible design supports technologies such
as free space optics (FSO), wave division
multiplexing (WDM), etc.
• Configure-to-order, plug-in transceiver
design lowers initial installation costs
and allows pay-as-you-grow approach
to indoor coverage.
• High dynamic range increases capability
for data throughput, enabling higher
data rate broadband services.
• Universal air interface is transparent to
• Accommodates both single-mode and
multi-mode fiber for maximum utilization
of existing fiber and flexibility in fiber
distribution.
modulation technology.
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InterReach® In-building Coverage Solution
800 ESMR, 850 Cellular, 1900 PCS
Digitized RF
Description
InterReach ICS distributes wireless coverage
digitally over optical fiber, which makes it the best
choice for signal quality, architectural flexibility,
and overall performance.
InterReach ICS, offered for 800 ESMR, 850
Cellular, and 1900 PCS applications, transports 18-
25MHz of contiguous bandwidth.
The InterReach ICS system components include: a
Digital Host Unit (DHU), optional Digital Expansion
Units (DEU), and Digital Remote Units (DRU).
A DHU can feed either DRUs or DEUs. Digital
Expansion Units can be daisy chained without
affecting system performance*.
Fiber is completely immune to reception or
generation of electromagnetic interference,
making it easy to install alongside other wiring
without fear of noise or crosstalk. By using digital
optics, either single-mode or multi-mode fiber
can be used without degrading signal quality.
This allows users to utilize any dark fiber that may
already be in place within the building and flat
polished LC connectors.
Each DHU and DEU is configurable with up to
six single-mode or multi-mode optical transceivers.
Because the optical ports are independent of
one another, single-mode and multi-mode fiber
may be mixed and matched as needed between
elements. For example, a host unit may feed five
remotes with multi-mode fiber, and feed the sixth
remote via single-mode fiber due to distance or
to utilize available fiber in a facility. As
Digital RF transport over fiber also offers the
lowest possible noise level, regardless of the
length of fiber. Digital transport is unaffected by
long cable runs, splices and signal splits. Digital
RF transport over fiber also enables complete
flexibility of design. Digital RF transport systems
split and add signals digitally, so the architecture
of fiber cable runs can be optimized for each
requirements change and future growth is
needed, additional transceivers and DRUs can be
ordered and easily installed onsite. This modular
application, minimizing installation costs and time. approach provides optimum design flexibility,
reduces the initial cost of an indoor wireless
Coverage areas can be expanded by adding,
solution, and delays further investment until it is
or even daisy-chaining, system components.
justified by growth. Likewise, any unused ports
Multiple areas, floors, or even multiple buildings
may simply be turned off without affecting any
can be covered with uniform digital quality signals
part of the system performance.
delivered to even the most remote antenna.
Additional components can simply be plugged
in. If the RF parameters have not changed, no
additional optimization is required. Furthermore,
digital RF transport provides greater flexibility for
converging indoor and macro networks.
The DHU and DEU are AC powered. The DRUs
are CAT3/5 powered. For distances greater than
500 meters, ADC offers a local power supply for
remote power.
*The number of DEUs that can be daisy chained
is limited only by the Noise Figure, which can be
calculated using the formula 8 dB + (10 log N).
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InterReach® In-building Coverage Solution
800 ESMR, 850 Cellular, 1900 PCS
Digital Host Unit
The DHU provides the input interface for RF
signals from a base transceiver station (BTS), or a
bi-directional amplifier (BDA). The DHU converts
the RF signal into a digital format and distributes
the digitized signal over fiber to multiple output
ports, either Digital Expansion Units or Digital Re-
mote Units. The DHU also performs power and
alarming functions for the system. Alarms are
accessible via dry contact closures. The DHU also
has alarm status LEDs. The DHU is typically wall-
or rack-mounted in a basement or other point of
entry within a building requiring coverage.
Digital Expansion Unit
The DEU is used when more than six remotes are
required to serve a building. The DEU receives
the digitized signals from the DHU and distri-
butes them over fiber to multiple digital outputs.
These outputs can be Digital Remote Units or
additional Digital Expansion Units. The DEU has
alarm LED indicators. The DEU is typically wall-
or rack-mounted in a wiring closet within the
building requiring coverage.
Digital Remote Unit
The DRU receives the digitized signals from the
DHU or intermediate DEU, converts the signals
back into RF, and interfaces with the antennas to
amplify the RF signals throughout the building.
The Digital Remote Unit is a compact module
that is typically mounted above ceiling tile.
Total Solution Support
ADC offers turnkey EF&I services for in-building
applications and can provision all ancillary
equipment needed to support various applica-
tions. In addition, the company can provide
infrastructure such as fiber, CAT5, connectors,
and patch panels. From its skilled wireless
systems engineering staff to its Professional
Services, ADC supports in-building wireless
applications end-to-end from system design
through optimization and post-sale support.
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InterReach® In-building Coverage Solution
800 ESMR, 850 Cellular, 1900 PCS
InterReach ICS Configurations
The InterReach ICS is flexible enough to fit almost any size indoor application.
Small Facility Installation
DRU
DRU
DRU
DRU
DRU
DRU
Digital Host Unit
BTS/Off Air Interface
Large Facility Installation
DRU
DRU
DRU
DRU
DRU
DRU
Digital Expansion Unit
DRU
DRU
DRU
DRU
DRU
Digital Expansion Unit
DRU
DRU
DRU
DRU
DRU
Digital Expansion Unit
DRU
DRU
DRU
DRU
DRU
DRU
DRU
Digital Expansion Unit
DRU
DRU
DRU
Digital Host Unit
BTS/Off Air Interface
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InterReace® In-building Coverage Solution
800 ESMR, 850 Cellular, 1900 PCS
Multiple Fiber Types
InterReach ICS accommodates any combination of single-mode and multi-mode fibers between elements
host, expansion, and remote units.
RU
RU
RU
RU
RU
RU
RU
RU
RU
RU
RU
RU
Expansion Unit
Expansion Unit
Growth
RU
SM
RU
SM
RU
MM
RU
MM
Singlemode Fiber
Multimode Fiber
Host Unit
BTS/Off Air Interface
Free Space Optics (FSO) Installation
Only digital transport can utilize free space optics for building-to-building links where fiber is either not
available or cannot be deployed in a timely or cost-effective manner. Free space optics distances are
determined by service level availability, but are typically in the range of 500 meters to 1 kilometer.
Wave Division Multiplexing (WDM)
InterReach ICS typically is transported over dedicated strands of fiber (a pair of fiber for transmit and
receive paths.) Because of the digital transport, ICS can utilize WDM technology, essentially combining
two waves to one, reducing the required fiber count by half. Optical budgets will be dependent on
the added losses with WDM (the passive modules and added connectors) and the selection of the
SFP transceivers.
Pay As You Grow
Expansion units can be added as growth or capacity needs change by simply adding additional
transceivers, expansion units or remote units. Expanding the InterReach ICS system does not require
adding splitters at the host location or re-optimization as long as the RF parameters remain the same.
Conversely, non-utilized ports can simply be shut off without affecting system performance.
Expansion
DRU
DRU
DRU
DRU
DRU
DRU
Digital Expansion Unit
DRU
DRU
DRU
DRU
DRU
Digital Host Unit
BTS/Off Air Interface
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InterReach® In-building Coverage Solution
800 ESMR, 850 Cellular, 1900 PCS
Multiple Service Providers
The InterReach ICS system can be configured to serve multiple service providers. Each system supports
18-25MHz contiguous bandwidth. Fiber infrastructure may be shared by tenants.
Fiber riser to upper floors
4th Tenant Fiber Pair for Future Expansion
Tenant 1
Tenant 2
DRU
Digital Expansion Unit
DRU
Digital Expansion Unit
DRU
Tenant 3
One Fiber pair
is required
Digital Expansion Unit
per tenant
CWDM/DWDM option
to multiplex on single fiber
Tenant 1
Tenant 2
DRU
Digital Host Unit
Digital Expansion Unit
Tenant 1
Tenant 2
DRU
Digital Host Unit
Digital Host Unit
Digital Expansion Unit
DRU
Tenant 3
Digital Expansion Unit
Tenant 3
Common Closet
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InterReach® In-building Coverage Solution
Typical Specifications
PHYSICAL SPECIFICATIONS
Digital Host Unit
Dimensions (HxWxD):
Weight:
3.5" x 19" x 15.25" (89 x 483 x 388 mm)
18.5 lbs (8.4 kg)
Color:
Putty White
Input Voltage:
Output Voltage:
Connectors
RF:
120 - 240 VAC; 50 - 60 Hz
+48 Vdc nominal
N female
Optical:
LC
DC Output:
Alarm Interface:
RJ-45
Link OK/NOK LED at each port; unit OK/NOK LED (one per unit)
Two Form C contact closures (for combined minor and combined
major alarms)
Overdrive alarm on DHU
Digital Expansion Unit
Dimensions (HxWxD):
Weight:
3.5" x 19" x 15.25" (89 x 483 x 388 mm)
18.5 lbs (8.4 kg)
Color:
Putty White
Input Voltage:
Output Voltage:
Connectors
120-240 VAC; 50-60 Hz
+48 Vdc nominal
Optical:
LC
DC Output:
RJ-45
Alarm Interface:
Link OK/NOK LED; OK/NOK LED at each port
Digital Remote Unit
Dimensions (HxWxD):
Weight:
2.25" x 7" x 8" (57.15 x 178 x 204 mm)
1.5 lbs (<1 kg)
Color:
Putty White
Input Voltage:
Connectors
RF:
+38 to +40 Vdc
SMA female
Optical:
LC
DC Input:
RJ-45 (maximum 500 meters with CAT-5)
ENVIRONMENTAL
Operating Temperature:
Storage Temperature:
Water Resistance/
0° to 50° C
-30° to +70° C
Operator Protection:
NEMA (National Electrical Manufacturer’s Association) Type 1—
Indoor installation only
AGENCY APPROVALS
FCC Acceptance:
UL Compliance:
ESMR Part 90 - Cell part 22, PCS part 24
UL60950
“Plenum Rating” (DRU Only):
CUL Compliance:
NEC 300-22; Section C
CUL60950
“Plenum Rating” (DRU Only):
Industry Canada:
CEC, Part 1, C22.1; Sections 2-128, 12-101(3) and 12-100
RSS-131
QUALITY
Reliability:
MTBF 80,000 hours; manufactured under ISO 9001 quality system
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InterReach® In-building Coverage Solution
Typical Specifications
800 ESMR RF SPECIFICATIONS
Forward Path
System Bandwidth:
Frequency Range:
Output Power:
Input Level (at main hub):
Gain:
18 MHz
851-869 MHz
18.5 dBm iDEN, typical composite power single carrier
-20 dBm to 0 dBm max
+33 dB nominal @ room temp
≤6 dB (over frequency, temperature and unit to unit)
1.5 dB variation per 1.25 MHz CDMA channel
+35 dBm
Gain Variation:
OIP3:
CDMA ACPR1:
Spurious Output:
>-45 dBc
<-30 dBm
Reverse Path
System Bandwidth:
Frequency Range:
Gain:
18 MHz
806-824 MHz
10 dB (independent of fiber length)
≤6 dB (over frequency, temperature and unit to unit)
<1.5 dB variation per 1.25 MHz CDMA channel
Provides overdrive protection for composite input ≥ -40 dBm
<9 dB + 10 log N (N = number of DRUs)
Gain Variation:
Automatic Level Control
Noise Figure:
850 CELLULAR RF SPECIFICATIONS
Forward Path
25 MHz
869-894 MHz
System Bandwidth:
Frequency Range:
composite power/single carrier in dBm, typical*
RF Output Power:
GSM
25.5
EDGE 24.5
AMPS 25
TDMA 22
CDMA 15
*Power per carrier values are dependent on access protocol
peak-to-average and channel loading.
-20 dBm to 0 dBm max
+33 dB nominal @ room temp.
≤6 dB (over frequency, temperature and unit to unit)
1.5 dB variation per 1.25 MHz CDMA channel
+35 dBm
Input Level (at main hub):
Gain:
Gain Variation:
OIP3:
CDMA ACPR1:
Spurious Output:
>-45 dBc
<-35 dBm
Reverse Path
System Bandwidth:
Frequency Range:
Gain:
25 MHz
824-849 MHz
10 dB (independent of fiber length)
≤6 dB (over frequency, temperature and unit to unit)
<1.5 dB variation per 1.25 MHz CDMA channel
Provides overdrive protection for composite input ≥ -40dBm
8 dB midband (1 DHU + 1 DRU)
Gain Variation:
Automatic Level Control:
Noise Figure:
8 dB + 10 log N (N = number of DRUs)
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InterReach® In-building Coverage Solution
Typical Specifications
1900 PCS RF SPECIFICATIONS
Forward Path
System Bandwidth:
Frequency Range:
25 MHz
1930-1990 MHz*
AD: 1930-1950 MHz
DBE: 1945-1970 MHz;
BEF: 1950-1975 MHz
EFC: 1965-1990 MHz
Composite power/single carrier in dBm, typical**
Output Power:
GSM
24
EDGE
24
TDMA
CDMA
W-CDMA
23
16.5
16.5
**Power per carrier values are dependent on access protocol
peak-to-average and channel loading.
-20 dBm to 0 dBm max
+36 dB nominal @ room temp.
≤6 dB (over frequency, temperature and unit to unit)
1.5 dB variation per 1.25 MHz CDMA channel
+35 dBm
2X'sInput Level (at main hub):
Gain:
Gain Variation:
OIP3:
>-45 dBc
<-30 dBm
CDMA ACPR1:
Spurious Output:
Reverse Path
25 MHz
1850-1910 MHz*
System Bandwidth:
Frequency Range:
AD: 1850-1870 MHz
DBE: 1865-1890 MHz
BEF: 1870-1895 MHz
EFC: 1885-1910 MHz
14 dB (independent of fiber length)
≤6 dB (over frequency, temperature and unit to unit)
<1.5 dB variation per 1.25 MHz CDMA channel
Provides overdrive protection for composite input ≥-40 dBm
10 dB (1 DHU + 1 DRU)
Gain:
Gain Variation:
Automatic Level Control:
Noise Figure:
10 dB + 10 log N (N = number of DRUs)
*Dip Switch selectable
45
40
35
30
25
20
15
10
5
Noise Figure (typical analog system)
Note: Assumes 8 dB single unit NF, 4 outputs
per host, and use of 2:1 splitters.
Noise Figure (Digivance ICS)
0
0
10
20
30
40
50
60
# of Antennas
Optical
Fiber Requirement:
Maximum Distance:
2 Multi-mode or single mode fibers per link
≤500 m (62.5 micron core)
≤750 m (50 micron core)
≤10 km (9 micron core)
LC, Small Form Factor Transceiver
-10 dBm min
+4 dBm max
Optical Connector:
Output Power:
850 nm nominal for multi-mode
1310 nm nominal for single-mode
Optical Wavelength:
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InterReach® In-building Coverage Solution
Typical Specifications
O rd e r i n g I n f o r m a t i o n
Description
Catalog Number
850 Cellular MHz Primary Equipment
850 MHz Cellular Digital Host Unit with N (f) RF connector, no SM or MM
optical transceivers
DGVIH1110000000000
DGVIR1300000000000
850 MHz Cellular Digital Remote Unit with N (f) RF connector, no SM or MM
optical transceivers
1900 PCS MHz Primary Equipment
1900 MHz PCS Digital Host Unit with N (f) RF connector, no SM or MM
optical transceivers
DGVIH3110000000000
DGVIR3300000000000
1900 MHz PCS Digital Remote Unit with N (f) RF connector, no SM or MM
optical transceivers
800 ESMR Primary Equipment
800ESMR Digital Host Unit with N (f) RF connector, no SM or MM optical
transceivers
DGVIH2110000000000
DGVIR2300000000000
800ESMR Digital Remote Unit with N (f) RF connector, no SM or MM optical
transceivers
Universal Expansion Unit
Universal Digital Expansion Unit no SM or MM optical transceivers
DGVIE0010000000000
Optical Transceivers
Multi-mode 980nm Optical Transceiver (order 2 per DRU
and 2 per DEU)
DGVI-112000XVR
DGVI-212000XVR
Single-mode 1310nm Optical Transceiver (order 2 per DRU
and 2 per DEU)
Indoor Antennas
850 MHz Omni Antenna
DGVI-111000ANT
DGVI-131000ANT
DGVI-141000ANT
DGVI-161000ANT
850 MHz Corner/Wall Directional
850 MHz Hallway Antenna
850 MHz High-ceiling Omni Antenna
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O rd e r i n g I n f o r m a t i o n
Description
Catalog Number
Indoor Antennas
1900 MHz Omni Antenna
1900 MHz Corner/Wall Directional
1900 MHz Hallway Antenna
1900 MHz High-ceiling Omni Antenna
850/1900 MHz Omni Antenna
ESMR Omni Antenna
DGVI-311000ANT
DGVI-351000ANT
DGVI-341000ANT
DGVI-361000ANT
DGVI-811000ANT
DGVI-211000ANT
DGVI-241000ANT
DGVI-251000ANT
ESMR Hallway Antenna
ESMR Corner/Wall Directional
ESMR High-ceiling Omni Antenna
DGVI-261000ANT
Wireless Repeaters
Single Band 850 Cellular Repeater, 13dBm, 60dB gain and Accessory Kit
Single Band 1900MHz PCS Repeater, 13dBm, 60dB gain and Accessory Kit
Accessory Items
RPT-SBBAA12000
RPT-SHAAA12000
DRU Alternate AC/DC Power
DGVI-100000PWR
DGVI-100000FAN
DGVI-200000FAN
Replacement Fan - DEU and DHU
Replacement Fan - Interface Units
Fiber, Optical Connectors, CAT3/5, and other infrastructure is also available from ADC.
From North America, Call Toll Free: 1-800-366-3891 • Outside of North America: +1-952-938-8080
Fax: +1-952-917-3237 • For a listing of ADC’s global sales office locations, please refer to our web site.
ADC Telecommunications, Inc., P.O. Box 1101, Minneapolis, Minnesota USA 55440-1101
Specifications published here are current as of the date of publication of this document. Because we are continuously
improving our products, ADC reserves the right to change specifications without prior notice. At any time, you may
verify product specifications by contacting our headquarters office in Minneapolis. ADC Telecommunications, Inc.
views its patent portfolio as an important corporate asset and vigorously enforces its patents. Products or features
contained herein may be covered by one or more U.S. or foreign patents. An Equal Opportunity Employer
102440AE 6/08 Revision © 2008, 2007, 2006 ADC Telecommunications, Inc. All Rights Reserved
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