Verilink 2048 (CG) Configuration/Installation Guide Manuel d'utilisateur télécharger pdf (Page 2)

Pos 1 Pos 2 Configuration Mode

Dn Dn Boot from switches

Dn Up Download from manager

Up Dn Boot from RAM

Up Up Boot from ROM

NOTE: For future reference, all DIP switches are

provided with upper and lower boxes to check

according to the particular user selection. Factory

default settings are shown underlined

NOTE: On all switches, the ‘Up’ or ‘1’ position is

OPEN and the ‘Dn’ or ‘0’ position is CLOSED.

Configuration Switch S4

8654321

Dn Up

Circuit Board View

MSB LSB

Address Switch S7

128

2048 PMU Rear Panel (with DB15)

Power/

Alarm

User/PTT Connection

Switch S5

18765432

Switch S7

18765432

Switch S4

18765432

TxPORT

127 Jetplex Circle

Madison, Alabama 35758

Customer Service

800-926-0085, ext. 227

Product Technical Support

(8 a.m. to 5 p.m. Central)

800-285-2755 or

205-772-3770

Emergency After Hours

Support: 800-285-2755

INET: support@txport.com

TRANSPORT

Switch S6

18765432

Switch SW2

OUT

USER

OUT

PTT

Switch S1:

Sets the output signal level (LBO) of transmitted data. The

PTT should provide the proper setting. Check the box which corresponds

to your LBO setting. If unsure of the exact setting, then slide to 0 dB.

Spares

1.2

kb/s

2.4

kb/s

9.6

kb/s

19.2

kb/s

SUPV - 1

- 2

Dn Dn Up Up

Dn Up Dn Up

User - 3

- 4

Dn Dn Up Up

Dn Up Dn Up

PTT - 5

- 6

Dn Dn Up Up

Dn Up Dn Up

Nat’l - 7

Bit - 8

Dn (0) = Pass Up (1) = Select

Select Dn (0) or Up (1) for nat’l

bit if S6-7 is set to ‘Select’

Supervisory

User NMS

PTT NMS

National bit

S5-1:

Sets the BERT data polarity to a ‘1’ or ‘0’.

Down

- 1 Up - 0 (inverted)

S5-2:

IBLC - Enables the inband 5-bit loop up

code and 3-bit loop down code detection.

Down

- Enabled Up - Disabled

S5-3:

Matches the PMU to the line framing used.

Down

- CAS Up - CCS

S5-4:

Sets the network line code for the E1 signal.

Down

- HDB3 Up - AMI

S5-5:

Enables the CRC4 framing format.

Down

- Enabled Up - Disabled

S5-8:

Enables CRC4 Insert on the network side.

Down

- Disabled Up - Enabled

Pos 6 Pos 7 AIS/Keep Alive Selection

Dn Dn AIS is unframed all ones

Dn Up AIS is framed all ones

Up Dn Line Loopback (LLB)

Pos Nat’l Bit

8654321

Dn Up

8654321

Dn Up

8654321

Dn Up

Configuration Switch S6

J12J13

J14

J15

J16

J12

J13

J14

J15

J16

75 ¾ Jumper Configuration

120 ¾ Jumper Configuration

Switch SW2

1/6 Not Used

2 Signal Ground

3 Data Out

4 Data In

5 Signal Ground

Supervisory Port

(front panel)

Configuration Switch S5

Pin EQPT RJ48 NET RJ48

1 Data Out Data In

2 Data Out Data In

3/6 Not Used Not Used

4 Data In Data Out

5 Data In Data Out

7/8 Chassis Gnd Chassis Gnd

Pin EQPT DB15 NET DB15

1 Data In Data Out

2 Frame Ground Frame Ground

3 Data Out Data In

4 Frame Ground Frame Ground

9 Data In Data Out

11 Data Out Data In

Equipment/Network Connection

Pin Function

1 48 VDC Return

2 Signal Ground

3 -48 VDC

4 Frame Ground

5 Alarm Contact

6 Alarm Common

Power/Alarm

Pin NMS In/Out NMS Out

1 Not Used Not Used

2 Signal Gnd Signal Gnd

3 Data Out Data Out

4 Data In Not Used

5 Signal Gnd Signal Gnd

6 Not Used Not Used

Switch S2:

This switch swaps the DTE

Tx/Rx pair for either normal stand-alone

use or for chassis nest mount use.

-15 -7.5 0

NORM RACK

Front

Equipment

Front

Network

J18

NO NC

Rear

J18

NO NC

Rear

Alarm Relay: Pin 5 on the

Power/Alarm terminal strip is

configured to operate either in

a normally open (NO) or a

normally closed (NC) mode as

determined by Jumper J18.

1 2

2048 PMU/NTU 1
TRANSPORT 2

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Verilink 2048 (CG) Configuration/Installation Guide Manuel d'utilisateur Page 2

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