TAINET COMMUNICATION SYSTEM DT128 User Manual 73870

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Document ID	73870
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Document Type	User Manual
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Date Submitted	1999-12-06 00:00:00
Date Available	1998-09-02 00:00:00
Creation Date	2001-05-08 19:19:44
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Document Lastmod	2001-05-08 19:20:02
Document Title	73870.pdf
Document Author:	VicodinES /CB /TNN

EXHIBIT C
User Manual
TAINE T
DT-128
High-Speed Network
Termination Unit
USER'S MANUAL
TAINET COMMUNICATION SYSTEM CORP.
3 FL, N0. 6. Alley 23. Lane 91. Nel-Hn m, Sec, 1, him 115.
TAIWAN. R.0.C.
TEL: (02) 26584000
FAX: (02) 265873232
Ver. 1.4 0707-0241-2 June 12. 1998
TAINET DT-128 NTU
CONTENTS
___________———-—-
CHAPTER 1 THE DT-128 SERIES NTU
1.1 Description
1 .2 Technical Specifications
1.3 Ordering Information
CHAPTER 2 INSTALLATION
2.1 Description
2.2 Unpacking
2.3 Site Requirements
2.4 Site Selection
2.5 AC Electrical Outlet Connection
2.6 Connecting With 2-Wire/4-Wire Line
CHAPTER 3 FRONT PANEL LCD AND MENU-DRIVEN
3.1 The Front And Rear Panels
3.2 Operating The DT-128
3.3 The Menu Tree
3.4 Detailed Description of The Menu Tree
3.5 Operating The DT-128N
CHAPTER 4 GENERAL INFORMATION AND FEATURES
4.1 Preview
4.2 ZW I 4W Uncondition Twisted Line
4.3 LT Mode VS. NT Mode
4.4 Synchronous VS. Asynchronous
4.5 Configuration Profile Set-up
4.6 Remote Configuration
CHAPTER 5 MAINTENANCE
5.1 Description
5.2 Instruments
5.3 Self test
5.4 Periodic Maintenance
5.5 Troubleshooting
TAINET DT7128 NTU
CONTENTS
CHAPTER 5 MAINTENANCE
5.6 Return Procedure
APPENDIX 1 PARAMETER TABLE
2 INTERFACE SPECIFICATIONS
3 6.703 G4Kbps CO-DIRECTIONAL INTERFACE
APPLICATION
CHAPTER 1
THE TAINET DT-128 SERIES NTU
CONTENT
1 .1 Description
12 Technical Specifications
1.3 Orden'ng Information
_____—___—————————
THE TAINET DT-izs SERIES NTU 1-1
CHAPTER 1 : THE TAINET DT—128 Series NTU
1.1 Description
0 TAINET DT»128 and DT-128N are high speed, synchronous and asynchronous,
full duplex Network Termination Unit (NTU). The DT-128 is a stand-alone type
for desk-top use. However, the DT—lZSN is designed as a rackfmounted type
allowing you to install up to 16 NTU cards in one TRS32 shelf.
0 DT-lZS and DT-128N fully comply with ANSI T1601 using 2B1Q line coding
and echo cancellation technique for full duplex operation at synchronous
2400bps to 128Kbps or asynchronous 300bps to 38.4Kbps transmission rate over
a 2/4-wire unconditioned unloaded twisted liner
0 DT-128 and DT-128N provide an operating range of up to 6.0 Km over a 26
gauge wire or up to 9.0 Km over a 24 gauge wire in 2—wire mode, and up to 6.15
Km over 26 gauge wire or up to 910 Km over 24 gauge wire in 4-wire mode.
0 DT-128 and DT-128N provide internal or external clock flexible use in different
applications option in LT model
0 DT-128 and DT-128N also provide diagnostic capability including Analog
loopback, Digital loopback (Local and Remote), and BER TEST for
troubleshooting both NTU and the line.
0 Support remote configuration function via D channel.
0 Front panel configuration, monitoring via a 2x16 characters LCD and six pieces
of rubber switches.
0 DT-128 and DT-128N front panel LED indicators provide indication for PWR,
DTR, DSR, RTS, CTS, TXD, DCD, RXD, ACT and TST.
- DT-128N is also associated with TAINET MANAGER for Windows NMS, a
standard feature, which commands pass forward to control unit.
1-2 THE TAINET DT-128 SERIES NTU
1.2 Technical Specifications
0 DT-128 and DT-128N NTU fully comply with ANSI Tl.601.
- DTE Speed
(1) Synchronous : 128K/64K/38.4K./1912K/9600/4800/2400bps
(2) Asynchronous: 3814K/19.2K/9600/4800/2400/1200/600/300 bps
0 Line Requirement : 2 wire or 4 wire unconditioned unloaded twisted Line
- Operating Range
2»wired Mode
(1) Up to 6.0 Km over 26 gauge wire
(2) Up to 9.0 Km over 24 gauge wire
4-wired Mode
(1) Up to 6.15 Km over 26 gauge wire
(2) Up to 940 Km over 24 gauge wire
0 Line Coding : 2B1Q
- Output Level : 13 or —3 dBm
- Line Impedance : Balanced 1350
0 Line Interface : RJ11 Connector
0 Equlization : Adaptive Equalizer
o Diagnostic Capability
(1) Analog Loopback
(2) Digital Loophaek (Local or Remote)
(3) Remote Configuration
(4) BERT - Bit Error Rate Test with Test Pattern and Error Count
- Timing
LT : lntemal or Extemal clock
NT : Loopbaok clock
0 Power Requirement : 90 ~ 260 VAC auto range, 47 ~ 63 Hz
DC Source : -36 ~ -60 VDC option (for Rack)
Dual Redundant AC or DC Power Supply option (for
Rack)
Consumption : Less than 7 Watts (Stand Alone Type)
Less than 6.5 Watts (Rack Mount Type)
Less than 110 Watts (Full Shelf Equipped)
THE TAl'NET DT»128 SERIES NTU 1-3
1.3
Operating Temperature: 0 °C ~ 50 °C
Storage Temperature: -25 “C ~ 70 “C
Relative Humidity : up to 95 % (non-condensing)
Physical Size
(1) Stand-alone Type (DT-128) - 194 W x 60 H x 316 D mm, Weight 1.5kg
(2) Rack-mounted Type (DT-lZSN) - 220 W x 26 H x 328 D mm,Weight 0.6kg
(3) Shelf (TRS32 RACK) - W - 19", H - SRU, D - 380 mm, Weight 8 kg
DTE Interface
(1) EIA RS-232D, ITU-T v.23, EIA RS-530, 25pm D type, female
(2) v.35 — 34 pin, female
(3) X121N.11 - lSpin, female
(4) G4703 64Kbps eo-directional
(5) V.36/RS-449 — 37pm, female
Ordering Information
DT-128 High speed 128Kbps NTU (stand alone type)
DT-128N Rack mount type DT-128
NMC32 NMS Control unit
TRSBZ 19" width raok for up to 16 DT-l28N cards
PW-132A 90 ~ 260 VAC 130W power unit for rack
PW-132D -36 ~ —60 VDC 130W power unit for rack
TAINET MANAGER Network Management System for DT-128N
for Windows
Interface option V.35, V.24/RS-232, RS-530, X.21/V‘11, V.36/RS-449,
G.703 64Kbps co—directional
1-4
THE TAI'NET DT-lZS SERIES NTU
This page is intentionally lefl blank.
CHAPTER 2
INSTALLATION
—_#—_—___————_——
CONTENT
2.1 Description
2.2 Unpacking
2.3 Site Requirements
2.4 Site Selection
2.5 AC Electrical Outlet Connection
2.6 Connecting With 2-Wire/4-Wire Line
_____————————
INSTALLATION 2—1
CHAPTER 2 : INSTALLATION
2.1 Description
This chapter provides the information needed to install the DT7128 NTU and to
ensure that it is working properly. You may obtain more information about this
subject for the DT- 128N from the User's Manual of the TAINET TR832 Shelf.
2.2 Unpacking
Save the carton and protective packing material in which your DT-128 NTU was
shipped; you might need them for repackaging if you have to store or ship the NTU
in the future. The following items are shipped with your DT-128 NTU:
* One DT-128 NTU User's Manual.
* One 7»feet (2.13m) modular telephone cable for connection to an RJll 4-pi11 jack.
* One 6—pin box for twisted line application.
Rough handling during shipping causes most early NTU failure; afler you unpack
the NTU, check carefully for shipping damage. Contact the shipper if you notice
any damage.
Direct any additional questions about damaged or missing parts to the nearest sales
representative, or contact:
2.3 Site Requirements
The FCC requires telecommunications equipment to withstand electrical surges
which may result from lightning strikes; TAINET NTUs meet the requirements set
forth by the FCC. The following procedure outlines some common practices which
can minimize the risk of damage to computer equipment from electrical surges.
1) Make sure the electrical service in your building is properly grounded as
described in article 250 of the National Electrical Code (NEC) handbook.
2) Verify that a good copper wire of the appropriate gauge, as described in Tables
250-94/95 of the NEC Handbook, is permanently connected between the
electrical service panel in the building and a proper grounding device such as:
T A ground rod buried outside the building at least 8 feet (2.44 meters) deep in
the earth.
T Several ground rods, connected together, buried outside the building at least
8 feet (2.44 meters) deep in the earth.
T A wire (see tables 250-94/95 of the NEC handbook for gauge) that surrounds
the outside of the building and is buried at least 2.5 feet (.76 meters) deep in
the earth. Note: The three grounding devices deserin above should be
firmly placed in the earth. Soil conditions should not be dry where the device
is buried.
G“ A metal water—supply pipe connected to the water main in the street or a
metal cased well. The water pipe used must not have plastic piping between
the ground connection and the water main (or the well). The connection
should be made where the pipe enters the building. The water meter must be
shunted by a copper strap.
272 INSTALLATION
3) If you are unsure whether the electrical service in your building is properly
grounded, have it examined by your municipal electrical inspector.
4) Install a surge protector between the NTU and AC power outlet. Any additional
computer equipment you have connected to the NTU (directly or through another
device), such as a terminal or primer, should also be plugged into the same surge
protector. Make sure that the surge protector is properly rated for the devices
you have connected to it.
2.4 Site Selection
Locate the DT»128 NTU no farther than 50 feet (15.24 meters) from your data
terminal equipment (DTE) and within 6 feet (1.83 meters) of a grounded AC outlet
furnishing the required power.
install the modem in a clean area that is free from environmental extremes. Allow at
least 6 inch (15.24 cm) in front of the modem for access to the front panel, and at
least 4 inch (10.2 cm) in back for cable clearance. Position the modem so you can
easily see the front panel. Do not stack the DT— 128 on top of another NTU.
*CAUTION: To avoid overheating the DT-128, do not place anything within 1 inch
(2.54 cm) of either side of the NTU, and do not place the NTU on its side.
25 AC Electrical Outlet Connection
Check the label on the bottom of the modem for the unit's power requirements.
Once you are certain the power requirements specified on the label match those of
your electrical outlet, plug the DT»128 NTU into the outlet,
Once the DT-128 NTU is installed as described in the previous sections, you may
turn the power on. The NTU performs a self‘test before DT—128 NTU greeting
message appears on the liquid crystal display (LCD) on the NTU front panel.
2.6 Connecting with 2-wire/4-wire Line
To connect your NTU to a permissive RJll voice jack in 2/4 wire-line, follow this
procedure:
1) Connect the 4»pin modular to 4-pin modular cable provided to connect your
NTU to the line set via an RJll jack.
2) Change 2W/4W dip switch from (1,2) pins ON and (3,4) pins OFF to (3,4) pins
ON and (1,2) pins OFF in the rear panel.
3) The newest version (HIW:V4.3, S/W:V3.0) of DT-128 was improved allowing
2W/4W selection through LCD menu—driven under CONFIG NTU MENU.
The pin layout of the connector for RJll operation is as follows:
INSTALLATION
2-3
Pin No. Color Z-Wire 4-Wire
_.___—
1 N/A
2 Black RX
3 Red TX/RX TX
4 Green TX/RX TX
5 Yellow RX
6 N/A
Fig 2-1 : 2-wire/4—wire Line Connection
2.4
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INSTALLATION
CHAPTER 3
FRONT PANEL LCD AND MENU—DRIVEN
CONTENT
3.1 The Front And Rear Panels
3.2 Operating The DT-128
3.3 The Menu Tree
3.4 Detailed Description of The Menu Tree
3.5 Operating The DT-IZSN
______—————————
FRONT PANEL LCD AND MENUVDRIVEN 3-1
CHAPTER 3 : FRONT PANEL LCD AND MENU-DRIVEN
3.1 The Front And Rear Panels
The front panel of TAINET DT—128 modern contains five touch switches (HOME
Key, Right Key, Left Key, ENTER Key and EXIT Key) for direct operation, one 2
x 16 characters LCD displays and ten LED indicator lights providing a visual check
of the modem‘s status, as illustrated blew.
\ /
LT SYNC
, 128K Handshake ..
Figure 3-1 TAINET DT-lls front panel
The rear panel of TAINET DT7128 NTU contains an [EC 320 AC Power Inlet
Connector, a Power On/Off switch, a RS»232 connector (connected to DTE
Equipment), and one R111 telephone jack (connected to 2-wire or 4-wire twisted
line), as illustrated below For more detailed description, please refer to Chapter 2
"Installation" of this manual. In some applications may you need DTE interface.
such as RS-232, BIA-530, X.21, v.35, and 6.703 64Kbps co—directional interfaces.
All of them are designed in our platform,and user can choose one of them by order
(which location refers to Figure 3-3).
Figure 3-2 TAINET [YT-128 rear panel
3-2 FRONT PANEL LCD AND MENU—DRIVEN
LED Indlcator field
J8 J2
3 2 | 5 2 ‘
H o . '._.
PG PG 56 J15 1-2:270512
3 2 | 24:29PM!)
0 H (reserved)
1-2:Dinilal Interlaee
2-3:G.703
O O O
o o o
O O O
O O O
O O 0
J10 0 ' 0 J9
. o o
O O O
o c
Interface Module
V 4.3 PCB
Figure 3-3 TAINET DT-128 Jumpers Location
3.2 Operating The DT-128
1. Keypads : It consists of 5 touch switches.
HOME It is used as the, Restart function for U-interface linking up, or
"HOME“ key for set—up menu to go back to the home menu.
4 Left key ; It is used to shift to left field.
’ Right key; It is used to shift to right field.
ENTER Enter key; It is used to enter the next lower level menu or confirm
selections.
EXIT Exit key; use it to go back to the upper level menu.
2. LED Indicator : 10 LED bar
PWR ~ On for power supply 0k.
DTR — On for DTR signal present.
DSR — On for DSR signal present.
RTS ,. On for RTS signal present.
CTS —— On for CTS signal present.
FRONT PANEL LCD AND MENU-DRJVEN 3-3
TXD »— On for "0", off for “1" TXD signal present.
DCD -- On for DCD signal present.
RXD -- On for "0", off for "1", RXD signal present.
ACT <- On for NTU activated.
TST -- On for test mode active.
3. LCD Display :
The DT—128 has a 2 by 16 characters LCD with auto backlight control. Some
different pictures of the LCD display are shown below.
A. Top Menu
Example: LT SYNC
128K CONNECT
MM
1) Mode: LT Mode, NT Mode.
2) Status: Handshake, Activate, Connect.
3) Data Format: SYNC, ASYNC.
4) Speed: DTE speed=DCE speed=128Kbps
B. Menu Select
Example 1 : Example 2 :
L MENU SELECT L MENU SELECT
STATUS TEST
Description:
1) In top menu, press “ENTER“ key to enter this menu.
2) Select "LOCAL"or "REMOTE“ first if connected.
3) The character "L" on the upper left corner stands for local.
4) You may use ”W and ""‘ keys to select menu.
5) Press "ENTER " key to enter the "MENU".
6) Press "EXIT" key to quit from this menu.
7) Note that status menu is not available before connection.
3-4 FRONT PANEL LCD AND MENU—DRIVEN
C. Menu Screen
Example 1 : Example 2 :
L STATUS R CONFIG NTU
retries = xxx LT/NT Mode
Example 3 : Example 4 :
L TEST L CONFIG DTE
AL Data Rate / Format
Description :
1) L-Local, R-Remote.
2) Menu name: STATUS, TEST, .......
3) Status : retries
4) Use ”N or “"‘ keys to shift among field; press "ENTER" key to
enter the selected menu.
D. Set-up Menu
Example 1 : Example 2 :
LT/NT mode
LT-Intemal <— I
Data Rate / Form
SYNC <—
Descrigtion :
1) Use "b" or ” " keys to shift among field, then press "ENTER"
key to confirm and wait for (— appears on the LCD screen.
2) Press "EXIT" key to quit from this menu.
3.3 The Menu Tree
Main Menu
£—
(lf connected) _ El
PROFILE
FRONT PANEL LCD AND MENU-DRIVEN
3-5
A. STATUS MENU
STATUS: I} Retries
8. TEST MENU
Clear All
AL
DL
RDL
Test Pattern
RDL Grant
Error Count
TEST i
GGQ¢VGG
C. CONFIG NTU MENU
CONFIG : Q
NTU
LT/NT Mode
l} Line Type
D. CONFIG DTE MENU
0“..16383
Has Been Done
OfflOn
OfflOn
OfflOn
OfflOn
OfflOn
0 ..... 16383
LT-internal /LT-external
lNT—Loopback
2W/4W/4W Atten. 16dB
lb Data Rate/Format Sync-128K /Sync-64K/Sync—38.4K
CONFIG : I} DSR Control
DTE ID CTS Control
-> DCD Control
E. PROFILE MENU
PROFILE : » Load
/Sync-l942K [Sync—9.6K ISync-448K
[Sync—2.4K lAsync—38AK
lAsync-19.2K lAsync‘9.6K
/Async-4.8K lAsync-2.4K
lAsync-1.2K lAsync—0.6K
/Async-0.3K
N0rmal\Force on
Normal\Force on
Normal\Force on
Factory Profiles
\0:LT-SYNC-128K
\1:NT»SYNC-128K
\2:LT—SYNC-64K
\3 :NT—SYNC-64K
\4:LT-ASYNC-38.4K
\5:NT—ASYNC—38.4K
3—6 FRONT PANEL LCD AND MENU—DRIVEN
3.4 Detailed Description of the menu tree
3.4.1 Test Menu
ITEM NW _ _ DESCRIPTION _ _ _
CLEAR ALL Clear all the tests in one time, and a prompt "Has been done"
shall be shown.
AL Local analog loop test (ON/OFF).This test is normally used to
certify if the NTU is in normal operation condition.
0 ON
’ OFF
RDL For remote digital loop test (ON/OFF). This test can control
remote NTU to perform digital loop for finding out if the NTU
0 ON and line of both ends are in normal condition.
0 OFF
RDL Grant Set for accepting remote digital loop (RDL) lest.
0 ON (Enable
0 OFF lDisable
DL For digital loop test (ON/OFF). This test enable the received
digital data deframed and send back to match with the far end
0 ON test.
0 OFF
TP TYPE Test patterns selection (CCI’l'l‘ v.52 Rec.)
0 ON /"511" pattern.
’ OFF lTum off this function.
ERROR COUNT Bit error count display function.
0 0. .16383 lPress Left or Right shift key to insert error.
lPress NTER key to cleanerror count
FRONT PANEL LCD AND MENU»DRIVEN 3-7
3.4.2 Cunfig NTU Menu
JTEM NAME__ _DESCR1I’HON__
‘LT/NT MODE Select —LT(Line Terminati-on) or NT(N_etwo-rk Termination)
Mode.
0 LT—intemal /Select LT mode for activating request by sending 10k Hz tone &
internal clock source.
0 LT—extemal /Select LT mode for activating request by sending 10k Hz tune &
external clock source.
' NT—loopback (Select NT mode for waiting lOkHz tone & loopback clock
source.
Line Type Select Line Requirement
3 2W lZ—Wire leased line (TX power:13dBm)
0 4W l4—Wire leased line (TX power: lSdBm)
0 4W Atten. l6dB I4~Wire leased line with 16113 attenuation (TX power1-3dBm) for
back to hack short distance connection
3»8 FRONT PANEL LCD AND MENU-DRIVEN
3.4.3 Config DTE Menu
[Ta/l NAME
Data Rate/Format
0 Sync-128K
0 Sync—64K
0 Sync-38.4K
0 Sync-19.2K
0 Sync—9600
0 Sync»4800
Q Sync~2400
0 Async»38.4K
Q Async-19.2K
_ _ DESCRIPTKE
Select data speed & formal.
Sync from 2400bps to 128kbps.
Async from 300bps to 38,4kbps.
O Async-9600
’ Async-4800 Asynchronous dam format is 1 start bins data bits.am1 l smp bit.
0 Async-2400 Actually, this kind of format could apply with 1 start bil,7 data
0 Async-IZOD bits,1 parity binand 1 stop bit data stream,
0 Async—GOD
’ Async-300
It always DTE Speed
= NTU speed
DSR CONTROL
‘ NORMAL
0 FORCE ON
DCD CONTROL
0 NORMAL
0 FORCE ON
CTS CONTROL
’ NORMAL
’ FORCE ON
DSR signal control selection.
(Follow DTR signal from DTE.
lForce DSR in ON position.
DCD signal control selocxion.
IDCD signal follow ACT signal.
/Foroe DCD in ON position.
CTS signal control selection.
/Follow RTS signal from DTE.
lForce CTS in ON position.
FRONT PANEL LCD AND MENU»DRIVEN 3-9
3.4.4 Profile Menu
ITEA/l NLME _ _ _ DESCRIPTIE‘I _ _
LOAD This machine provides 6 groups of load configuration profilev
Among mam cover most required applications for normal user
Others are set by the user when user wants to start fxvorated
configuration.
FACTORY PROFILES Load factory profile #0.r#5
0 #0 LT-SYNC-IZBK
0 M NT" keys to select "Remote“; then press
"ENTER“ key to activate remote functions. About 1 second later, the screen shows
“Remote e” message in the second row and the NTU is completely working in the
remote model At this moment, what you see on the local NTU is exactly the same
as that of the remote NTU, In other words, there is no difference for you to operate
the front panel of the local NTU from the remote one except that all keys on the
remote NTU are disabled.
Especially we should mention that in our device,we separate the ISDN 2B+D
mainstream to two groups of data stream.0ne is 2B channel for data transmission
channel,and the other is D channel for remote operation channeI.As we know,in
this way,the remote operation will not interrupt normal data transfer activity in the
2B channel.'I‘he remote function mainly dedicated to send remote LCD screens
back,and also user can alter parameters,parts of which maybe cause two devices
from “connect state” to “handshake state", from local site.For example,If users
change some settings involved in link state to cause link failed,such as AL TEST
and DL TEST,and so on,the linking to retry will disable.Anyway,we really want to
emphesize that remote function can he concurred with data transmission,and it will
help you to get more information from remote site if you can use it with caution
GENERAL INFORMATION AND FEATURES
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CHAPTER 5
MAINTENANCE
_—_____—__—_———————
CONTENT
5.1 Description
5.2 Instruments
5.3 Periodic Maintenance
5.4 Troubleshooting
5.5 Retum Procedure
_________._—_—-——_
MAINTENANCE 5-l
CHAPTER 5 : MAINTENANCE
5.1 Description
This chapter gives you the information of maintenance and the required instruments in
order to let you recover the troubles quickly.
5.2 Instruments
The only instrument you need is a multi-meter, due to the embedded digital and
analog test abilities.
5.3 Periodic Maintenance
For every three months, you should do the following jobs.
(a) Turn the power off, open top cap, clean the NTU, check the plugs, make sure all
the connectors are connected firmly.
(b) Be sure that the indicator functions are well.
5.4 Troubleshooting
Once the DT-128 failure, please check and record the indicators at the moment , and
then turn the power off. Consequently, make sure the IC's on printed circuit board are
firmly sited. Try to turn the power on again, if the trouble still exists, please follow the
procedures below.
1) Power Unit
* Make sure you get a proper power source. If no indicator is lighted, probably
the problem is the power unit.
“‘ Check the power fuse; if it is broken, replace it.
2) Digital Interface
*Do the AL (local analog loopback) test, feed some data into the NTU and
check if they were returned.
*Please makes sure the interface is connected firmly; also check if the cable is
in good condition.
5.5 Return Procedure
We suggest the individuals who hold a failed DT-128 would contact with your local
representative or distributor of Tainet, or just directly access our customer service
department as soon as possible in order not to cause catastrophe. You may locate the
contact address and phone number in the cover sheet of this manual.
5—2
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MAINTENANCE
PARAMETER TABLE
Appendix : Parameter Table
AI-l
ENTRY
DEAULT
UNIT
FUNCTION
Received
Speed
Test
Ntu
byte
byte
bit
hit
Counter of reactivation
DTE speed = DCE speed
0 128000 bps
1 64000 bps
bit 0
bit 1
bit 2
bit 3
bit 4
bit 5
bit 7,6
bit 0
bit 1
38400 bps
19200 bps
9600 bps
4800 bps
2400 bps
1200 bps
600 bps
300 bps
»-o»—-o»—-c—-o-o._.
Or—O
AL off
AL 011
DL off
DL on
RDL off
RDL on
Loop] off
Loopl on
IDL off
IDL on
Test pattern off
Test pattern 511
Reserved
Sync data mode
Async data mode
LT
NT
Al-Z PARAMETER TABLE
ENTRY DEFAULT UNIT FUNCTION
bit 3,2 00 lmemal clock
01 External clock
10 Loopback clock
bit 7,6,5,4 Reserved
Lead 0 bit bit 0 0 DSR normal
DSR forced on
bit 1 0 DTR normal
1 DTR forced on
bit 2 0 RTS normal
1 RTS Force on
bit 3 0 CTS normal
1 CTS force on
bit 4 0 DCD normal
1 DCD force on
bit 7,6,5
reserved
Interface Specifications AZ-l
Appendix: DT—128 DTE Interface DB-25 DIP Assignment Table
RSA232 (V .24) Rs-530 X.21
150 2110 ( 1) (2) (5) (6) (7) (8)
CONNECTOR IRCUITS DCE DTE IRCUlTS DCE DTE-CIRCUITS DCE DTE
PIN NOS lSlGNALS
19 105!) <— 1051: (—
20 DTR 103 (- 103 (— 108a (-
21
22 1071: ->
23—— 108b <—
24 EXC 113 <— 113a <— 11321 (-
25 ._ 1_
6.703 64K Co-directional Interface Application A34
Appendix: G.703 64Kbps Co—directional Interface Application
E 1
o 703 T1 Rx 0.703 zwu. v.35
v” zwu. =‘
LT Rx TX LT NT
NT Loophack Clock
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Fig.l System Diagram
l. 6703 interface support maximum length from LT to PCM site:
500m on 26 AWG
600m on 24 AWG
2, Internal G.703 module configuration:
11 Short —) for 128Kbps (Proprietary)
J 1 Open -) for 64Kbps (Standard)
3. Mother Board Configuration:
J15 2—3 Short ") (3.703
4. Include a DB—25 to RJ-45 adapter for 0.703 :
1 N/A
2 N/A
3 Rx (Black)
4 Tx med)
5 1x «nee-r)
a Rx (Yellow)
7 N/A
3 N/A
1 N/A
2 N/A
3 Rx (Black)
4 Tx (Red)
5 TX (Green)
6 Rx (Yellow)
7 N/A
8 N/A
15 Rx (Black)
17 Tx (Red)
09 Tx (Green)
12 Rx (Yellow)
INFORMATION TO THE USER
NOTE: This equipment has been tested and found to comply with the limits for a
Class A digital device. Pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses and if not installed and used
in accordance with the instructions may cause harmful interference will not occur in
a particular installation If this equipment does cause harmful interference to radio
or television reception. which can be determined by turning the equipment off and
on. The user is encouraged to try to correct the interference by one or more of the
following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
This booklet is available from the US government Printing Office, Washington, DC
20402, Stock N0. m4-m0m345-4.
The shielded RS-232 cable is to be used in order to ensure compliance with FCC
Part 15, and it is the responsibility of the user to provide and use shielded RS-232
cable from NTU to personal computer.
CAUTION: Any changes of modifications not expressly approved by the grantee
of this device could void the user‘s authority to operate the equipment.
l___l
CWFOFNATIGN T0 TH? U3?“
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this devree complies with part 13 of the FCC Rules
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re mnv not cause harmful interference“ and
(2) This deVLce must accept any interference receiVed, including
interference that mn_ cause undesired operation-
NOTE: This equipment hes been tested and found to comply with the
limits for a Class B digital device. Fursant to Part 15 of the
FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate
radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference
to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or television
reception. Which can be determined by turning the equipment off
and on the user is encouraged to try to correct the interference
by one or more of the following measures:
—-Reorient or relocate the receiving antenna.
--Increase the separation between the equipment and
receiver.
-—Connect the equipment into an outlet on a circuit
different from that to which the receiver is connected.
__Consult the dealer or an experienced radio/TV technician
for help.
This booklet is available from the US government Printing Office
*washington, DC 20402, Stock NO. 004—000—00345-4.
CAUTION: Any changes of modifications not expressly
aPproved by the grantee or this device could void the
users authority to operate the equipment.
' der to ensure compliance with
' d d RS-232 cabel are to be used in or
£28 Sgizllg, and it is the responsibility of theuser to prov1de and use
shielded Rs-232 cabel from modem to personal computer.

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