TC Communications TC1630R Manuel utilisateur

Notice!

Althougheveryefforthasbeenmadetoinsurethatthismanualiscurrent

and accurate as of date of publication, no guarantee is given or implied

that this document is error free or accurate with regard to any specifica-

tion. TC Communications, Inc. reserves the right to change or modify

the contents of this manual at any time without prior notification.

TC1630R/S

RACK MOUNT/STAND ALONE

T1/E1 FIBER OPTIC MODEM

User's Manual

MODEL:

S/N:

DATE:

TC Communications, Inc. 17881 Cartwright Road - Irvine, CA 92614

Tel: (949) 852-1972 Fax: (949) 852-1948 Web Site: www.tccomm.com Email: [email protected]

- 2 -

TC1630R/S User's Manual

Rev. 2.5

This unit has been setup at the factory as follows:

LINE CODE LINE LENGTH

AMI B8ZS HDB3 T1/E1 0 -133 133-266 266-399 399-533 533-655

( ) ( ) ( )

Factory Default Configuration

SW1: Line Code/Line Length switch setting (Only one setting should be marked):

LEN2

LOCLB

RMTLB

LEN1HDB3

LEN0

B8ZS

AMI

1234

1 2 3 4

LEN2

LOCLB

RMTLB

LEN1HDB3

LEN0

B8ZS

AMI

1234

1 2 3 4

LEN2

LOCLB

RMTLB

LEN1HDB3

LEN0

B8ZS

AMI

1234

1 2 3 4

- 3 -

TC1630R/S User's Manual

Rev. 2.5

Table Of Contents

Factory Default Configuration ................................................................................................................ 2

Chapter 1 - Overview ............................................................................................................................... 4

Description.......................................................................................................................................... 4

Front Panel.......................................................................................................................................... 5

LEDs Functions ............................................................................................................................ 5

DIP Switch Functions .................................................................................................................. 6

Fiber Optic Specifications ................................................................................................................ 6

Transmission Distances (typical) .............................................................................................. 6

Launch Power & Sensitivity ....................................................................................................... 6

Rear Panel........................................................................................................................................... 7

Functional Description ...................................................................................................................... 8

Chapter 2 - Installation ............................................................................................................................ 9

Unpacking the Unit ............................................................................................................................ 9

Equipment Location .......................................................................................................................... 9

Power Supply...................................................................................................................................... 9

T1/E1 Connection .............................................................................................................................. 9

Dry Contact Alarm Switch (optional) .............................................................................................. 9

Installation Procedure....................................................................................................................... 9

TC1630R/S's Configuration ...........................................................................................................10

System Start Up ...............................................................................................................................11

Chapter 3 - Troubleshooting ................................................................................................................. 12

General ..............................................................................................................................................12

All LEDs are Off................................................................................................................................12

Alarm LED .........................................................................................................................................12

Optic Cable Types............................................................................................................................12

Calculating the Fiber Optic Loss Budget .....................................................................................12

Cable Connection Verification .......................................................................................................13

Dry Contact Alarm Relay.................................................................................................................13

Chapter 4 - Bench Tests ........................................................................................................................ 14

General ..............................................................................................................................................14

Test Equipment Requirements ......................................................................................................14

Pre-Installation Tests.......................................................................................................................14

Local Loopback Test ........................................................................................................................14

Optical Loopback Test .....................................................................................................................15

Remote Optic Loopback Test .........................................................................................................15

Chapter 5 - Component Placement ...................................................................................................... 16

Chapter 6 - Specifications ..................................................................................................................... 17

Appendix A.............................................................................................................................................. 18

Setting the E1 Interface Impedance .............................................................................................18

Appendix B.............................................................................................................................................. 19

Electrical Signal Cable Connection...............................................................................................19

Appendix C.............................................................................................................................................. 20

19" Rack with Dual Power Cards ...................................................................................................20

Appendix D.............................................................................................................................................. 22

Return Policy ....................................................................................................................................22

Warranty ............................................................................................................................................22

- 4 -

TC1630R/S User's Manual

Rev. 2.5

Chapter 1 - Overview

Description

The Model TC1630R/S is a T1/E1 Fiber Optic Modem that converts analog T1 or E1 signals to digital fiber

optic signal and vice versa. TC1630R is for 19" rackmount and TC1630S is for standalone unit. Both have

the same functions and features, the only difference is power connectors. For convenience, TC1630R/S and

TC1630 will be used interchangeably throughout this manual.

TC1630 offers advanced features such as digital transmission, jitter removal and a field replaceable Line

Interface Module. Because it is based on modern FPGA (Field Programmable Gate Array) technology, the

IC chip counts are reduced to a minimum, hence offering extremely low power consumption (less than 3

watts) and higher reliability.

Transparent to the framing format, the TC1630R/S’s T1/E1 interface shapes the transmit pulse to support

CCITT G.703, or, for connecting to DSX-1 cross connects, copper line distances are from 0 to 655 feet. The

internal elastic buffer removes jitter from transmit data.

The TC1630R/S has multiple LED indicators to ease installation and troubleshooting. These LEDs indicate

power,operatingvoltage,alarmstatus,localandremoteT1/E1signalloss,bipolarviolations,alloneswarning,

Optic signal sync active and more. Eight DIP switches, accessible from the front panel, control settings for

Line Code, Line Length, Local Loopback and Remote Loopback. The dry contact alarm relay switch

provides remote alarm monitoring capability.

The TC1630R/S is compatible with all types and sizes of fiber optic cable. Fiber optic connectors are ST

(optional FC). T1 or E1 signal can be connected to two pairs feed-thru detachable terminals or a RJ-48C

connectorat the rearpanel. Inputpower is 12V DCor 115/230V AC withanexternalpower cube. Alternate

power sources are available as an option (see Chapter 6 - Specifications).

Note: The terms "TC1630R/S" and "TC1630" are used interchangeably in this manual.

Figure 1. Typical Point-to-Point T1/E1 Application

CSU/DSU

TC1630R/S

CHANNEL

BANK/

CUSTOMER

TERMINATION

DEVICE

OPTIC

- 5 -

TC1630R/S User's Manual

Rev. 2.5

Figure 2. TC1630R/S's Front Panel

LAIS

T1/E1 LINE LEN

LEN2

LOCLB

RMTLB

LEN1HDB3

LEN0

B8ZS

AMI

RMT LOC

AMI

B8ZS

HDB3

CSU133

266

399

MadeinU.S.A.

TCCOMM.COM

T1/E1 FIBER OPTIC MODEM

655

533

LINECODE

LOOP BACK TEST

1234

1 2 3 4

5 6 7 8

LEDs Functions

Alarm-

ALM: Alarm indicator. The Alarm LED will light when following conditions occur:

The unit is in a diagnostic mode.

When an invalid line code or line length is set.

Optic signal is lost.

Local T1/E1 signal is lost or all ones signal is received from customer's device.

Remote T1/E1 signal is lost.

When the "Line Distance" setting is set as "1 0 0" (when SW5 is on, and both SW4 and SW3 are

Off).

Power Supply Status-

Power A/B: These LEDs indicate which power source on the rear panel the unit is drawing from. If power redundancy is

utilized, both LEDs will light.

Vcc: +5V Voltage indicator. This LED should light whenever power is connected to the unit. It indicates the

correct operating voltage is being derived from the power source.

Optic Signal Status-

RxOPT: Solidly lit, it indicates optical signal received.

Flashes when the optical signal is lost.

SYNC: Indicates a valid composite signal is being received.

Configuration Setting-

AMI/B8ZS/HDB3: These LEDs indicate the T1/E1 line code setting (SW6, 7, 8).CSU: Channel Service Unit indicator. This

LED will be lit whenever the minimum T1 Line Length is set (see Configuration Table - page 10).

133-655/CSU: These LEDs indicate the T1 Line Length distance setting (SW3, 4, 5).

Local T1/E1 status and warning-

LAIS: When flashing, it indicates "all ones" signal received from user's equipment.

LLOS: When flashing, it indicates the loss of the T1/E1 signal from local user's equipment.

BPV: Bipolar Violation LEDs. These LEDs light when bipolar violations (Line Code violations) are detected. The

severity of the violation is represented by three LEDs. Higher BPV rates cause more LEDs to light.

LOC: Indicates the Local Loopback function is enabled (SW2 is On).

Remote T1/E1 status and warning-

RLOS: When flashing, it indicates the loss of the T1/E1 signal from remote user's equipment. This LED will be Off

when no fiber cable is connected or the fiber cable is bad.

RMT: Indicates the Remote Loopback function is enabled (local SW1 is On).

Front Panel

- 6 -

TC1630R/S User's Manual

Rev. 2.5

DIP Switch Functions

Slide switch to the Right (On) position to activate the function.

AMI/B8ZS/HDB3: These switches select the Line Code (see Figure 5).

LEN0/LEN1/LEN2: These switches define the DSX-1 cross connect distance. There are 5 partitions to

choose from. In a T1 application, this is the length of twisted pair cable connecting the TC1630R/S to the

user's equipment, which may be a CSU or DSU. The cable lengths can be from 0 to 655 feet (see Figure

5).

Local LBT: This switch initiates the Local Loopback function. The T1/E1 signal is received and decoded,

then looped back to the T1/E1 "out" terminals for diagnostic testing.

Remote LBT: This switch activates remote unit into Remote Loopback function. The composite optic

signal is transmitted to remote unit and decoded, then looped back to local unit.

Fiber Optic Specifications

Transmission Distances (typical)

The TC1630R/S is compatible with all popular sizes and types of fiber. Transmission distances up to 3km*

are typical over Multimode fiber at 850nm and 4km* at 1310nm. Distances to 35km* are typical over Single

Mode fiber at 1310nm.

Launch Power & Sensitivity

Transmitter: LED/ELED; typical Launch Power - -19dBm* (850nm/1310nm MM, @62.5/125µm)

-15dBm* (1310nm Single Mode, @9/125µm)

Receiver: PIN Diode; typical Sensitivity - -35dBm* (850nm/1310nm MM, @62.5/125µm)

-35dBm* (1310nm Single Mode, @9/125µm)

*Launch power, sensitivity and distance are listed for reference only. These numbers may vary. Contact factory for

higher loss budget requirements.

LEN2

LOCLB

RMTLB

LEN1HDB3

LEN0

B8ZS

AMI

1 2 3 4

1234

- 7 -

TC1630R/S User's Manual

Rev. 2.5

Figure 3. TC1630S Rear Panel

Rear Panel

* Note 1: The T1/E1 signal can be connected to either the terminal block connectors or the RJ-45F

connector as shown above on the rear panel, but not on bothat the same time.

* Note 2: The T1/E1 signal is bipolar, independent of the polarity. Polarity on the "IN" & "OUT" terminal

block connector shown above is shown for reference only.

TC1630S Rear Panel

T1/E1 Signal Input, Output

Terminal Blocks

T1/E1 Signal Input, Output

RJ-48C Female Connector

Power

Dry Contact (Alarm)

+-+-

PWR A PWR B

IN OUT

Normalopen

Rating:50 VDC @500mama

1 2 34567 8

NOTE: TC1630 STAND-ALONE

VERSIONSHOWN

24VDC12VDC 125VDC48VDC

+-+-

Rating: 12VDC @250mA (typical)

24VDC @125mA

48VDC @63mA

125VDC @25mA

(typical)

- 8 -

TC1630R/S User's Manual

Rev. 2.5

Functional Description

As shown in figure 4, the TC1630 consists of five basic function blocks: DIP switches, LEDs, T1/E1

interface, T1/E1 signal processor and optic interface.

DIP switches are used to configure the TC1630 according to a customer's application such as line code and

line distances. LEDs are used to display corresponding DIP switches settings, power supply status, optic

signal status, signal warnings, alarm, etc... the T1/E1 interface converts T1/E1 analog signals to digital

signals and provides local and remote loopback function. The signal processor composes T1/E1's timing and

data to a bit stream. The optic interface converts the electrical bit stream to an optic signal and vice versa.

Figure 4. TC1630R/S Functional Diagram

T1/E1 Signal Processor

Optic interface

AMI or

B8ZS/HDB3 LineLength

1,2,3

Remote

Loop

Test

LED Indicators on front panel

to optic

cable

Replaceable T1/E1

line Interface Module

Elastic Buffer

to T1/E1 line

from T1/E1 line

Line Driver Line Receiver

TC1630R/S

External DIP Switches (accessible from front panel)

TxA

RxA

Local

Loop

Test

Power

A,B Vcc Alarm Optic

Sync Local

Loss Remote

Loss Local

Loop

back

Remote

Loop

back

All

Ones

Warning

Bipolar

Violation

Line

Code

Setting

Line

length

Setting

- 9 -

TC1630R/S User's Manual

Rev. 2.5

Chapter 2 - Installation

Unpacking the Unit

Before unpacking any equipment, inspect all shipping containers for evidence of external damage caused

during transportation. The equipment should also be inspected for damage after it is removed from the

container(s). Claimsconcerning shipping damage shouldbemade directly tothepertinent shipping agencies.

Any discrepancies should be reported immediately to the Customer Service Department at TC Communi-

cations, Inc.

Equipment Location

TheTC1630R/S shouldbe located in an areathat provides adequate light, work space,and ventilation. Avoid

locating it next to any equipment that may produce electrical interference or strong magnetic fields, such as

elevator shafts or heavy duty power supplies. As with any electronic equipment, keep the unit from excessive

moisture, heat, vibration, and freezing temperatures.

Power Supply

The TC1630S is powered by an external DC power adapter rated 12VDC @250mA. There are two power

jacks at the rear panel for power redundancy. TC1630R is the rackmount version of the TC1630S. It can

be inserted into the card slot when power is on (hot swapable).

T1/E1 Connection

Two pairs of terminal block connectors and/or an RJ-45F connector are provide for the connection of the

T1/E1wire pairs. Whenviewing the rear panel,the left pairof terminal block connectorsareforT1/E1 signal

going into the TC1630R/S (receive), while the right pair of terminal block connectors are for the transmit

signal coming out of the unit. Note: The T1/E1 signal can be connected to either the terminal block connectors

or the RJ-45F connector, but not on both at the same time, refer to page 7.

Dry Contact Alarm Switch

A terminal block connector at the rear panel provides for the Dry Contact Relay Alarm. Normally in the

CLOSED position, any alarm condition will force the switch to the OPEN position. This relay can be

configured by the user if necessary (see Chapter 3 - Troubleshooting).

Installation Procedure

The TC1630R/S is designed for quick and easy installation. First, configure the modem for your specific

application by setting the Line Code and Line Length DIP switches. Once configured, you can connect the

optical, T1/E1 signal source and power.

Installation Procedure:

1. Select the Line Code (SW6, 7, 8).

2. For T1, select the Line Length (SW3, 4, 5).

3. Connect the T1/E1 signal source, either terminal blocks or RJ-48C connector.

4. Connect the optic cables. Verify single mode or multimode optic cable according to your TC1630

ordered. Using incorrect optic cables will result in a malfunction. Verify optic connections.

5. Connect the power. All the LEDs should flash for approximately three seconds.

After installation is completed, it is an excellent idea to verify the optical cable loss. This reading will both

verify the integrity of the circuit and provide a benchmark for future troubleshooting efforts.

- 10 -

TC1630R/S User's Manual

Rev. 2.5

Figure 5. TC1630R/S Configuration Table

TC1630R/S's Configuration

1. Select the application's Line Code: SW6, 7 or 8. Slide the appropriate switch to the Down (On) position.

AMI: set SW8 to the Down (On) position.

B8ZS: set SW7 to the Down (On) position.

HDB3: set SW6 to the Down (On) position.

Only one of the above switches should be selected, as any two switches in the Down (On) position will cause

the "Alarm" LED to flash.

2. Select the Line Length setting for T1: SW3, 4, 5 (see Figure 5). Slide the appropriate switches to the

Down position.

Depending on the distance between the TC1630R/S and the T1 cross connect, set the Line Length for the

T1 transmit line driver according to the table below. When connecting to DSX-1 cross-connects for Line

Lengths ranging from 0 to 655 feet, see DIP Switch Functions on page 6. There is no need to set the Line

Length for E1 applications; set SW3, 4, and 5 to the Up (Off) position.

Note: The “Line Length” setting “1 0 0” is invalid. If “Line Length” is set as (1 0 0), then the Alarm

LED will flashes, indicating the setting is invalid.

Legend:

0 = Off 1 = On

AMI

B8ZS

HDB3

DSX-1

ABAM

0-133 feet

133-266 feet

266-399 feet

399-533 feet

533-655 feet

CSU

NETWORK

INTERFACE

DSX-1

ABAM

CSU

NETWORK

INTERFACE

PCM-30,

G.703

0-655 feet

0-133 feet

133-266 feet

266-399 feet

399-533 feet

533-655 feet

0-655 feet

L I N E C O D E

SW8 SW7 SW6 L I N E L E N G T H

SW5 SW4 SW3 LOCAL & REMOTE

LOOPBACK TESTS

0 0 1

0 0 0

0 0

Ce manuel convient aux modèles suivants

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