22

Configuring the ICX-250

Switches

The bold highlighted selection under “Options” is the Factory Setting.

 

Function

Switch

Switch

Option

Description

 

Location

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T1 INTERFACE:

 

 

 

 

 

 

 

T1

Interface

S1

Back

D4 (SF)

Selects the T1 frame format and

Frame Format

positions 1 and 2

 

ESF

data link format to be either D4

(see page 32)

 

 

TR-08

(SF), ESF, or TR-08. (No data link

 

 

 

 

 

with D4).

 

 

 

 

 

 

T1

Interface

S1

Back

AMI

Selects the line code on the T1

Line Code

position 3

 

B8ZS

interface.

(see page 32)

 

 

 

 

 

 

 

 

 

 

T1

Interface

S1

Back

Line

Line: Clock for the T1 interface

T1

Clock

position 4

 

Internal

will be recovered from the line

(see page 33)

 

 

 

(receive signal).

 

 

 

 

 

Internal: Clock for the T1 interface

 

 

 

 

 

will be taken from an on-board

 

 

 

 

 

1.544 MHz clock meeting the

 

 

 

 

 

Stratum 4 requirements.

 

 

 

 

 

 

T1

Interface

S1

Back

Accept

Accept: ICX-250 will respond to

CSU Loop Code

position 5

 

Ignore

network generated loop requests

Recognition

 

 

 

that are received over the FDL.

(see page 34)

 

 

 

Ignore: ICX-250 will ignore

 

 

 

 

 

network generated loop requests.

 

 

 

 

 

 

T1

Interface

S1

Back

0 dB

Selects one of three line build

Line Build Out

positions 6 and 7

 

–7.5 dB

out options for short (–15.0 dB),

(see page 34)

 

 

–15.0 dB

medium (–7.5 dB) and long (0 dB)

 

 

 

 

 

loops.

 

 

 

 

 

 

DATA PORTS:

Data Ports 1 and 2

S2 - dataport 2

Back

0

Selects the number of timeslots

Number of Timeslots

positions 1, 2, 3, 4

 

1, 2, 3, ....24

that data from Data Port 1

(see page 35)

and 5

 

 

and/or 2 will be mapped onto.

 

S3 - dataport 1

 

 

 

 

positions 1, 2, 3, 4

 

 

 

 

and 5

 

 

 

 

 

 

 

 

Data Ports 1 and 2

S2 - dataport 2

Back

0

Selects first T1 timeslot that data

Starting Timeslot

positions 6, 7, 8, 9

 

1, 2, 3, ....24

from Data Port 1 and/or 2 will be

(see page 37)

and 10

 

 

mapped.

 

S3 - dataport 1

 

 

 

 

positions 6, 7, 8, 9

 

 

 

 

and 10

 

 

 

 

 

 

 

 

Data Ports 1 and 2

S2, S3

Back

EIA530A

EIA530A: Ports 1 and/or 2 use

Interface Type

position 11

 

V.35

the EIA530A standard.

(see page 38)

 

 

 

V.35: Ports 1 and/or 2 use the V.35

 

 

 

 

standard.

 

 

 

 

 

Data Ports 1 and 2

S2, S3

Back

64 Kbps

64Kbps: Ports 1 or 2 receive

Data Rate

position 12

 

56 Kbps

and transmit data at a multiple

(see page 39)

 

 

 

of 64 Kbps.

 

 

 

 

56Kbps: Ports 1 or 2 receive

 

 

 

 

and transmit data at a multiple

 

 

 

 

of 56 Kbps.

 

 

 

 

 

ADCP-62-023

Issue 1, September 1998

© 1998, ADC Telecommunications, Inc.