Paradyne Single T1 Network Access Module (NAM)... Manuale utente

9161 Single T1 Network Access Module (NAM)

Installation Instructions

Document Number 9161-A2-GN10-40

December 1998

Product Documentation on the World Wide Web

We provide complete product documentation online. This lets you search the

documentation for specific topics and print only what you need, reducing the waste of

surplus printing. It also helps us maintain competitive prices for our products.

Complete documentation for this product is available at www.paradyne.com.

Select

Service & Support

→

Technical Manuals

→

T1 Access Multiplexers.

Select the following document:

9161-A2-GH30

Model 916x/926x T1 Access Mux Technical Reference

To request a paper copy of a Paradyne document:

Within the U.S.A., call 1-800-PARADYNE (1-800-727-2396)

Outside the U.S.A., call 1-727-530-8623

Before You Begin

Make sure you have:

An operable T1 network connection

An async (VT100-compatible) terminal emulator

Housing and other associated hardware

Applicable cables

Package Checklist

Verify that your package contains the following:

T1 NAM and associated I/O card

Network Interface Cable (14 ft.)

V.35 Interconnect Cable (1 ft.)

DB9 COM Port Cable (14 ft.)

Affidavit Requirements for Connection to Digital Service

496-15149

Safety Instructions

Please read the EMI warning and Important Safety Instructions in the Technical

Reference or in the installation document that you received with your housing.

!HANDLING PRECAUTIONS FOR STATIC-SENSITIVE DEVICES

This product is designed to protect sensitive components from

damage due to electrostatic discharge (ESD) during normal

operation. When performing installation procedures,

however, take proper static control precautions to

prevent damage to equipment. If you are not sure

of the proper static control precautions, contact

your nearest sales or service representative.

Available Options

The following options are separately orderable:

RJ48C modular cable for network access (20 ft.)

RJ48H T1 mass termination cable (5 ft.) for connecting seven T1 NAMs to an M66

block

What Does a T1 NAM Do?

The T1 NAM acts as an interface between the T1 digital network and the customer

premises equipment, converting signals received from the DTE to bipolar signals that

can be transmitted over T1 and Fractional T1 lines. The T1 NAM also provides a

DSX-1 drop and insert port to allow DTEs supporting the DS1 signal format to share

the network T1 with other high-speed equipment, as well as two synchronous data

ports. Typical applications include:

Wide Area Networks (WANs)

Channel extension

Video teleconferencing

Cables You May Need

The following cables and connectors are specifically for this product. See

Warranty,

Sales, and Service Information

on page 15 for ordering information. See the Technical

Reference for all cable pin-out information.

If connecting to a . . . You need a . . .

Terminal/printer (DB25

interface/connector – EIA-232

connection)

COM Port-to-Terminal/Printer cable (14 ft.)

PC (DB9 interface/connector –

EIA-232 connection) COM Port-to-PC cable (14 ft.)

DTE with a V.35

interface/connector MS34 to DB25 adapter cable for each port: Port 1

and/or Port 2 (1 ft.)

DTE with a RS-449

interface/connector DB37 to DB25 DTE adapter cable for each port:

Port 1 and/or Port 2 (1 ft.)

DTE with a V.11/X.21

interface/connector DB15 to DB25 adapter cable for each port: Port 1

and/or Port 2 (1 ft.)

LAN Adapter COM Port-to-LAN Adapter cable (14 ft.)

Modem (8-pin

modular-to-DB25 connector) Modem cable

Recommended Order of Installation

1. First, install the I/O card.

2. Connect all cables into the I/O card.

3. Install the NAM.

4. Go to the appropriate housing installation document for power-up verification

procedures:

—

2-Slot Housing Installation Instructions

(Document No. 9000-A2-GN15)

—

5-Slot Housing with AC Power Supply Installation Instructions

(Document

No. 9000-A2-GN16)

—

5-Slot Housing with DC Power Supply Installation Instructions

(Document

No. 9000-A2-GN1C)

—

9000 Series Access Carrier Installation Instructions

(Document No.

9000-A2-GN1D)

NAM

Rear Panel

SINGLE

T1 NAM

NET

DBM

DSX

PORT 1

PORT 2

COM

NET

DBM

(For

Future

Use)

DSX

Port 1

Port 2

COM

98-15050-03

Tools Required

A small Phillips screwdriver (#1 or #2) to install the T1 NAM

A small, flat-blade screwdriver to install the:

— I/O card

— Cable connections

Installing the I/O Card

The NAM’s I/O card provides the COM port, network, DSX and

DTE connections. The I/O card inserts directly behind the NAM

that it supports. Slot numbers are identical (in this case, Slot 01)

to facilitate correct installation.

1. Remove the I/O card from the shipping box. Handle only

by the top and bottom edges to avoid damaging the card.

2. At the rear of the housing, align the I/O card with the

upper and lower tracks of the slot. Push gently towards

the midplane until it stops and you cannot push the card

any further.

97-15748a

Screws RearView

Screws

2-Slot5-Slot

Screws

Access Carrier

3. There are two captive screws on the I/O card. Using a

screwdriver, alternately tighten each screw until the

screws are all the way in.

COM

SINGLE

T1 NAM

NET

DBM

DSX

PORT 1

PORT 2

Port 1

98-15054-02

DTE

Cable

DTE

Cable

V.35, RS-449,

V.11/X.21

Adapter Cable

DTE

DTE Port 2

Connecting to the Network

1. Insert the 8-pin connector on the

RJ48C network cable into the NET

interface.

2. Insert the other end of the cable into

the RJ48C modular jack.

Connecting to a DTE

If the DTE cable type is

V.35, RS449, or V.11/X.21

(separately orderable):

1. Connect the plug to the

V.35, RS449, or V.11/X.21

end of the adapter

cable (as appropriate).

2. Connect the EIA 530A

end of the adapter cable

to PORT 1 or PORT 2.

If the DTE cable type is

EIA-530A:

1. Connect the EIA-530A

end of the DTE cable to

PORT 1 or PORT 2.

RJ48C

Jack

SINGLE

T1 NAM

NET

DBM

DSX

NET

98-15053-02

Connecting to the DSX

1. Insert the DB15 end of the DSX

cable into the DSX interface.

2. Insert the other end of the cable

into the CPE (Customer Premises

Equipment, such as a PBX).

Connecting the COM Port to a User Interface

1. Insert the 8-pin end of the cable into the COM port.

2. Insert the other end of the cable into the user interface (VT100-compatible terminal

emulation) connector.

3. Press Return on the keyboard to display the Main Menu. If you need to configure

for other than a direct link, see the Technical Reference.

Set the speed of the async (VT100-compatible) terminal so

it matches the NAM's factory-loaded data rate of 19.2 kbps,

character length set to 8, parity set to None, and stop bits

set to 1. The flow control should be set to None or

Hardware.

PORT 2

COM

496-15052-01

COM Port-to-Terminal/Printer

Cable or

COM Port-to-PC Cable

SINGLE

T1 NAM

NET

DBM

DSX

PORT 1

DSX

98-15055-02

PBX

Installing the T1 NAM

In both the 2- and the 5-slot housings, the NAM is always installed in Slot 01. The NAM

can be installed in any slot in the access carrier.

!WARNING:

Do NOT remove any jumpers located on the battery. To do so can cause

non-volatile memory loss. Should a jumper become separated from the

battery, contact your service representative immediately.

CAUTION:

Be sure that you install the NAM in the correct slot so that it mates with its

matching I/O card. Otherwise, you could damage your card.

1. Remove the housing’s bezel, if applicable. See the housing installation instructions

for information.

2. Remove the NAM from the shipping box. Handle only by the top and bottom edges

to avoid damaging the card.

3. At the front of the housing, align the NAM with the upper and lower tracks of

the appropriate slot.

2-Slot

Ejector

Latches

98-15750-01

Ejector

Latches

FrontView

5-Slot

Ejector

Latches

Access Carrier

4. Slide into the tracks until the NAM seats with the midplane connectors. Be careful

not to force the card or bend any pins.

5. Close both the upper and lower ejector latches on the housing to lock in place,

then tighten the captive screws on the ejector latches.

6. Replace the housing’s bezel, if applicable.

Removing/Replacing a Card

Card removal procedures differ, depending on whether you are removing the card from

the front or rear of the housing.

If you are removing the . . . Then go to . . .

NAM

Removing/Replacing the NAM

I/O card

Removing/Replacing the I/O Card

Removing/Replacing the NAM

1. Remove the housing’s bezel, if applicable. See the housing installation instructions

for information.

2. Remove the captive screws from the ejector latches on front of the housing.

3. Press open the ejector latches to disengage the card.

4. Supporting the card by its edges, pull straight out until the card clears the housing.

5. Align the replacement card with the upper and lower tracks of the slot. Slide

forward until the NAM seats. Be careful not to force or bend any pins.

6. Close both the upper and lower ejector latches on the housing to lock in place,

then tighten the captive screws.

7. Replace the housing’s bezel, if applicable.

Removing/Replacing the I/O Card

1. Remove the NAM from the housing (see

Removing/Replacing the NAM

2. Remove the network, DSX-1, DTE, and COM port cables from the I/O card (if

applicable).

3. Using a screwdriver, loosen the upper and lower screws fastening the card to the

housing’s frame.

4. Gently pull the I/O card away from the midplane until it clears the housing.

5. Align the replacement I/O card with the upper and lower tracks of the slot. Push

gently towards the midplane until it stops and you cannot push the card any further.

6. Alternately tighten each captive screw until the screws are all the way in.

7. Reattach the cables as appropriate.

8. Reinstall the NAM.

Power-Up

Go to your housing instructions to perform power-up, if needed. The housing

instructions also contain troubleshooting information.

2–OK

ALM

TST

BKP

SIG

OOF

ALM

SIG

OOF

ALM

1–OK

9161

OUT

NET DSX NET MON DSX MON NETWORK DSX PORT

496-15051

Test

Jacks

LEDs

Front Panel LEDs and Test Jacks

The T1 NAM has 12 LED (light-emitting diode) status indicators and four sets of test

jacks.

Test Jacks

The NAM contains four sets of test jacks. Use these for:

Monitoring and testing towards the Network 1 interface

carrier

Monitoring and testing towards the Network 2 interface

carrier

Refer to

Troubleshooting and Maintenance

in the Technical

Reference for more information on the test jacks.

General Status LEDs

Label Indication Color What It Means

OK Power and

Operational

Status

Green ON – NAM has power

and is

operational.

OFF – NAM is in a

power-up

self-test, or there

is a failure.

CYCLING – The unit is in

Minimum mode.

Requires an FTP

download.

ALM System

Failure/

Self-Test

Red ON – NAM has just

been reset, or an

error or fault has

been detected.

OFF – No failures have

been detected.

TST Test Mode Yellow ON – Loopback or test

pattern in

progress,

initiated locally,

remotely, or from

the network.

OFF – No tests are

active.

BKP Backup Yellow Not supported. Remains

off except during a Lamp

Test.

Network and DSX Interface LEDs

Label Indication Color What It Means

SIG Signal Green ON – A recoverable signal is present on

the network/DSX interface.

OFF – The signal cannot be recovered

from the network/DSX interface. An

LOS condition exists.

OOF Out of Frame Yellow ON – At least one OOF was detected

during the sampling period.

OFF – No OOFs were detected during the

sampling period.

ALM Alarm Yellow ON – An alarm condition is present on the

network/DSX interface.

Current alarm conditions:

Loss of Signal (LOS)

Loss of Frame (LOF)

Excessive Error Rate (EER)

Yellow Alarm

Alarm Indication Signal (AIS)

OFF – No alarm condition is present on

the network/DSX interface.

Port 1 and Port 2 LEDs

Label Indication Color What It Means

1-OK

2-OK Operational

Status Green ON – The interchange circuits for the port

are in the correct state to transmit

and receive data.

OFF – The port is idle. Occurs if the port is

disabled, if an EDL Out of Frame or

EER condition is present, if a DCLB

is active, or if the port is configured

to monitor DTR and/or RTS and the

lead(s) is not asserted.

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