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1.3  SERVICE

All warranty and non-warranty repairs must be returned freight

prepaid and insured to Patton Electronics.  All returns must have a
Return Materials Authorization number on the outside of the shipping
container.  This number may be obtained from Patton Electronics
Technical Service at:

tel:      (301)975-1007
email:  [email protected]
www:  http://www.patton.com

Patton Electronics' technical staff is also available to answer any

questions that might arise concerning the installation or use of your
Model 1088.  Technical Service hours:  8AM to 5PM EST, Monday
through Friday.

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Thank you for your purchase of this Patton Electronics product.

This product has been thoroughly inspected and tested and is warrant-
ed for One Year parts and labor.  If any questions or problems arise
during installation or use of this product, please do not hesitate to con-
tact Patton Electronics Technical Support at (301) 975-1007.

2.1  FEATURES

•  Multi-Rate Symmetric DSL 
•  Supports DTE Speeds from 64 kbps to 2.048 Mbps
•  2-wire Operation
•  120 ohm (RJ-45) 

and 75 ohm (dual coax) G.703/G.704 termina-

tions

•  2Mbps G.703 Clear Channel (Unframed) or nx64 G.704 (Framed)

Operation

•  SNMP Manageable as the CP (Customer Premises) modem when

connect to Model 1095RC 

•  Selectable AMI or HDB3 Line Coding
•  LED indicators for DSL Link, E1/FE1 Link, LOS, TM, ER and NS

2.2  DESCRIPTION

The Patton Electronics 

mDSL Rocket offers the ability to extend

G.703/G.704 service over Multi-rate Symmetric Digital Subscriber Line
technology.  Multi-rate DSL offers the ability to deliver the maximum bit
rate that a twisted pair line can accommodate.  Now, ISPs, CLECs and
corporate enterprises can terminate G.703/G.704 (E1) service and
either extend nx64 G.703/G.704 service 

or provide a remote serial

connection to a router or switch when paired with Model 1088/C (V.35)
or 1088/D (X.21).  

As Model 1088/K receives data from E1 line, it extracts the E1

clock, and delivers smooth clock and data to the remote DSL modem
over a two-wire DSL span.  In a network extension application, a
remote 1088/K delivers nx64kbps to 2 Mbps G.703 data and clocking
to device with an E1 interface.  In a network termination application,
a remote Model 1088/C or 1088/D accepts this data and clock stream
and provides nx64kbps data to CPE with a V.35, or X.21 interface.

As a symmetric DSL NTU,  Model 1088/K offers the same data

rates in both directions over a single pair of regular telephone lines
using Carrierless Amplitude and Phase (CAP) modulation.  Equipped
with both 75 ohm (dual coax) and 120 ohm (RJ-45), the Model 1088/K
is easy to configure and install.  DSL line connection is via RJ-45 jack.
Standard versions of Model 1088 are powered by a 100/230VAC
(Universal) supply. A DC power supply option supports any DC input
between 36-72VDC.

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IMPORTANT: 

The Model 1088 is equipped with flash

upgrade. Please refer to Patton website, or contact Technical 
Support for the latest version of the software.

NOTE:  

Packages received without an RMA number will not be

accepted.

Summary of Contents for 1088

Page 1: ...MODEL 1088 K mDSL Modem with fixed G 703 G 704 Interface Part 07M1088 K B Doc 033141UB Revised 02 22 00 SALES OFFICE 301 975 1000 TECHNICAL SUPPORT 301 975 1007 http www patton com An ISO 9001 Certif...

Page 2: ...oduct These damages include but are not limited to the following lost profits lost savings and incidental or consequen tial damages arising from the use of or inability to use this product Patton Elec...

Page 3: ...mDSL Rocket offers the ability to extend G 703 G 704 service over Multi rate Symmetric Digital Subscriber Line technology Multi rate DSL offers the ability to deliver the maximum bit rate that a twis...

Page 4: ...n in the table below Switch S1 1 CO CP Use Switch S1 1 configure the CO located at the Central Office or or G 703 G 704 demarcation point or CP located at the Customer Premises mode of the 1088 K S1 1...

Page 5: ...e special violations and decodes them as zeros This method enables the network to meet minimum pulse density requirements Use HDB3 unless AMI is required in your application Alternate Mark Inversion A...

Page 6: ...n 1664 On Off Off Off Off On 1728 Off Off Off Off Off On 1792 On On On On On Off 1856 Off On On On On Off 1920 On Off On On On Off 1984 Off Off On On On Off 2048 Switch S2 7 Reset Software Defaults Sw...

Page 7: ...g S1 and S2 DIP switches in the ON position as described in Figure 3 below When the CO and CP units connect over DSL the CP will enter a pre defined default configuration Receive Recovered Clocking Du...

Page 8: ...r a 75 Ohm connection coax insert JP1 JP4 JP5 and JP6 default 2 For a 120 Ohm connection RJ45 remove JP1 and JP4 JP5 and JP6 4 2 1 Connect Twisted Pair 120 ohm to G 703 Network The Model 1088 K is equ...

Page 9: ...wire interface The signal pin relationships are shown in Figure 8 15 4 4 POWER CONNECTION Universal AC Power 100 240VAC The Model 1088 uses a 5VDC 2A universal input 100 240VAC power supply center pin...

Page 10: ...cross the DSL span is active The DSL Link LED is Off when the link is down E1 FE1 Link Active Green Solid green On indicates a valid E1 connection LOS Active Red The Loss of Sync indicates that the un...

Page 11: ...eives framed packets from the far end the DSL Link LED will be active If framed packets are not received the DSL Link LED will be inactive The restart procedure uses this information to determine if a...

Page 12: ...the front panel switch or the DTE interface the unit will enter mode 1 If the units are linked NS LED off then the unit will enter a mode 2 Local Loop A Mode 1 Local Loop is shown in Figure 12 When t...

Page 13: ...the box 23 Local Loop After the 511 511E pattern times out the ER led with 511 511E will begin flashing It will remain this way until continued the pattern generator switch is turned off Note that the...

Page 14: ...again before the completion of the termination phase the switch will be ignored until it is placed back into the normal position 25 26 Remote Digital The Remote Digital Loop with 511 511E is Loop wit...

Page 15: ...Using the V 52 BER Test Pattern Generator To use the V 52 BER tests in conjunction with the Remote Digital Loopback tests or with Local Line Loopback tests follow these instructions 1 Locate the 511 5...

Page 16: ...de and Phase Modulation Line Rates DSL line 144 272 400 528 784 1040 1552 2064 Line Interface Transformer coupled 1500 VAC isolation mDSL Physical Connection RJ 45 2 wire polarity insensitive pins 4 a...

Page 17: ...000 1 9 3 1 2064 1600 2048 5920 1 1 1 8 8000 1 5 2 5 Cross Talk 49 adjacent CAP pairs 26 AWG 0 4mm 24 AWG 0 5mm Transmission Distance Patton NetLink mDSL Model 1088 No Cross Talk 26 AWG 0 4mm 24 AWG 0...

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