Paradyne 3172 User manual

ACCULINK®3172 and 3174

E1 DSU/CSU

Quick Reference

Document No. 3170-A2-GL10-10

Printed in U.S.A.

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ACCULINK®3172 and 3174 E1 DSU/CSU

Quick Reference

Document Number 3170-A2-GL10-10

July 2001

Product Documentation Online

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

Select

Library

→

Technical Manuals

→

T1/E1 Digital Access Devices.

Select the following document:

3170-A2-GB20

ACCULINK 3172 and 3174 E1 DSU/CSU Operator’s Guide

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

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

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

Before installing the DSU/CSU, read the

Important Safety Instructions

on page 16. Also,

to ensure compliance with emissions requirements, install ferrite chokes as described in

Quick Start Procedure

on page 2.

Quick Start Procedure

The following procedure is for experienced DSU/CSU users who are familiar with the

317x DSU/CSU installation process and have no special requirements for their

application. See the

ACCULINK 317x E1 Data Service Unit/Channel Service Unit

Operator’s Guide

for more information.

Procedure

1. The DSU/CSU is shipped with a power cable appropriate to the country of

installation. Attach the power module cord to the rear of the DSU/CSU and the other

end to a grounded AC power outlet. If you intend instead to use a 24 or –48 VDC

power supply, see the Operator’s Guide.

2. Attach the DSU/CSU network connection to the E1 network using the appropriate

cable. Attach the DSU/CSU to the customer premises equipment via the DTE and

port connectors.

3. Install ferrite chokes on cables attached to Ports 1 and 2 (Model 3172) or Ports 1–4

(Model 3174):

—Pull up on the latch to open

the ferrite choke.

—Place the ferrite choke on the

cable as close to the

DSU/CSU as possible.

—Close the choke around the

cable and press down on the

latch to fasten it.

—Secure the choke with a cable

tie.

4. If you intend to use front panel emulation, connect the cable from the PC to the

COM port on the rear panel of the DSU/CSU.

5. Power on the DSU/CSU to perform the power-up self-test.

6. During the power-up self-test, the FAIL LED flashes, then all LEDs blink twice.

When the test is complete, verify that the DSU/CSU is functional by observing that

the OK, NETWORK SIG, and DTE SIG LEDs are lit.

7. If you intend to manage the DSU/CSU with SNMP, cable either the COM or AUX

port (as appropriate for your configuration). Then, configure the SNMP

management link.

8. If you do not intend to use the DTE Drop/Insert E1 port, disable it using the

configuration procedures in

Operation

and

Configuration Options

of the

Operator’s

Guide. (The default setting for this port is Enabled.)

9. Configure the ports and channels you intend to use and assign channels to the

network interface.

97-14820-02

Ferrite Choke

Plastic

Latch

Connector

End

Tie

Wrap

Cabling Examples

The DSU/CSU is supplied with an AC power module. You must provide the DTE and

network cables.

Optional cables that you can order from the company are described in

Pin Assignments

in the Operator’s Guide.

NOTE:

The 120Ω/75Ωswitch selects either the 120-ohm balanced network interface or the

75-ohm unbalanced network interface. The RX SHIELD switch selects either an

“open”or “earth”shield connection for the 75-ohm RX interface. (This switch must

be set to “open”when using the 120-ohm interface.)

POWER AUX

PORT COM

PORT DTE

PORT 3 PORT 4

PORT 1 PORT 2CLOCK IN

120ý75ý75ý

120ý

RX SHIELD

OPEN

EARTH

75ý

TX NETWORK

CAUTION: AUX PORT OR COM PORT MUST NOT BE

CONNECTED TO PSTN OR E1 NETWORK

POWER AUX

PORT COM

PORT DTE

PORT 1 PORT 2CLOCK IN

120ý75ý75ý

120ý

RX SHIELD

OPEN

EARTH

75ý

TX NETWORK

CAUTION: AUX PORT OR COM PORT MUST NOT BE

CONNECTED TO PSTN OR E1 NETWORK

98-14673a

NETWORK

TO AC

POWER

MODULE

TO DC

POWER

(OPTIONAL)

3100-F1-550

3100-F1-540

FRONT

PANEL

DSU/CSU

SERIAL

PORT

COM PORT NETWORK

3100 SERIES

FRONT PANEL

EMULATION

SOFTWARE,

3100-C1-010

NOTE:

3100-F1-520

NETWORK

SNMP

MANAGER OR

Configuration Options

Configuration options are accessed from the Cnfig branch of the front panel menu.

DSU E1 CEPT

Stat Test

98-14606a

DevHs

STestPerf

TStatLED ID

E1 Prt

Rlpbk Lpbk Ptrns Lamp

Cnfig Ctrl

Rel ClrReg

Reset CID

LED DL

DTE

Prt1

Prt2Prt3

Prt4

PLB

DLB

RLB

LLB

Abort DCLB

DTLB

Abort Send Mon

QRSS

1in8

511

QRSS 511

NET Prt1 Prt2 Prt3 Prt4

FarNear

Prt

NET

FarNear

Cur 8Tot Intvl

Cur 24Tot Intvl

DCLB

UP DCLB

Edit Save

Load Edit Area From:

Choose Function:

Cust1

Activ Cust2

Activ Cust1 Cust2 Fact

User Alarm

NETDTE Port Chan Gen SNMP

Gen Trap

DTEPrt1Prt2Prt3Prt4

Clear

Dsply

Copy Prt1 Prt2 Prt3 Prt4

Port Select :

All Prt1 Prt2 Prt3 Prt4

Factory default configuration options are shown in boldface type in the following tables.

Table 1. DTE Interface Configuration Options

Option Factory Comments/Description

DTE Port: Enab Enables the use of the DTE Drop/Insert port.

Disab

DTE Frame: CRC4 Selects framing format.

noCRC

DTE Coding: AMI Selects line coding format.

HDB3

Extrn DLB:

(External DTE

Loopback)

Enab Allows control of DLB on external contact

closure.

Disab

Send Ones: Enab Sends all ones on channels allocated to the

network E1 on LOS, LOF, or AIS.

Disab

Table 2. Port Configuration Options (1 of 3)

Option Factory Comments/Description

Port Type: E530 Selects the port type: EIA-530A, V.35, RS449,

or X.21.

V.35

RS449

X.21

Base Rate: Nx64 Enables the port to either Nx56 or Nx64 rates.

Nx56

Net DCLB: Enab Network-initiated DCLB, allows DCLB to be

controlled by inband V.54 codes.

Disab

Port LB: Disab Port-initiated Loopbacks, allows Loopbacks to

be initiated through the port by the external

DTE.

DTLB

DCLB

Both

All Ones: Disab All ones sent to network (DTE) E1 when DTR

or RTS interrupted.

DTR

RTS

Both

Rcv RAI:

(Action on Received

Remote Alarm

Indication)

None Data port remains enabled, or is disabled, on

receiving RAI on the network interface.

Halt

Tx Clock: Int Selects whether the transmitted data clock is

internal (TXC) or external (XTXC).

Ext

InvertTxC:

(Invert Tx Clock) Enab Selects phase inversion of the transmit clock

(TXC).

Disab

InvertData: Enab Allows the data on the port to be inverted.

Disab

EDL: Enab Specifies whether the Embedded Data Link is

enabled.

Disab

Err Rate:

(Excessive Error

Rate)

10E-4 Selects the error rate threshold for Excessive

Error Rate Alarm.

10E-5

10E-6

10E-7

10E-8

10E-9

Table 2. Port Configuration Options (2 of 3)

Option Factory Comments/Description

Near-end: Disab Specifies whether the device will maintain

near-end performance statistics.

Maint

Send

Both

Far-end: Disab Specifies whether the device will maintain

far-end performance statistics.

Maint

Mgmt Link: Enab Specifies whether the EDL Management Link is

enabled.

Disab

Table 3. Network Interface Configuration Options

Option Factory Comments/Description

NET Frame: CRC4 Selects framing format.

noCRC

Mgmt Link: Disab Specifies whether the FDL’s Management Link

is enabled.

SNMP

Circuit Ident: Edit Specifies the transmission vendor’s circuit

identifier.

Clear

Table 2. Port Configuration Options (3 of 3)

Option Factory Comments/Description

Table 4. DTE Channel Configuration Options

Option Factory Comments/Description

DTE Channels: TS16 Selects TS16 for signaling or

assigns DS0 channels on the

DTE Drop/Insert interface to

DS0 channels on the

network interface.

Assign

TS16: Data Specifies whether time

slot 16 is reserved for

signaling information or

available for data.

Rsvd

Line 1 Displays: Line 2

Displays: Meaning Comments/Description

N1 N2 N3 ......

N24: —Unassigned Function key under the

channel (N1, N2, etc.)

selects the DTE channel to

assign (D1 through D24,

or –).

D1, D2 ... D24 Channel

assigned to this

DTE channel

Prt1

Prt2

Prt3

Prt4

Channel

assignedtoport

1, 2, 3, or 4

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