Verilink 1558D (CG) Configuration/Installation Guide Manuel d'utilisateur télécharger pdf (Page 4)

1558D Block Diagram

NET

Power

COM Bus

Supply

±12 VDC

+5 VDC

Line

Deframer

NET A

Framer

Loop

Line

Protection

Fac/Local

Loop

PLB

APS

Select

Path A/B

Bridge

Jack

Receive

Jack

NET A

Bridge

Jack

Transmit

Jack

RJ48

Line

Protection

NET

Line

Deframer

NET B

Framer

Loop

Line

Protection

Fac/Local

Loop

PLB

Bridge

Jack

Receive

Jack

NET B

Bridge

Jack

Transmit

Jack

RJ48

Line

Protection

Eq/V.54

Loop

Signal

Split

ROM

RAM

CPU

Loop

Set/Reset

SUPV

Port

Performance History,

Alarms, Unit Address

OUT

COM Bus

Alarm

Contacts

(COM,

NO, NC)

BERT: QRSS,

1:8, 3:24, etc.

NET B

NET A

V.35 Interface

Tx Clk

Ext Clk

RTS

DSR

Rx Clk

AC Input, 110 VAC

TxPORT Customer Service

TxPORT

127 Jetplex Circle

Madison, Alabama 35758

888-4TxPORT / 800-926-0085 / 205-772-3770

Customer Service Returns: 800-926-0085, ext. 2227

Product Technical Support

Normal Hours - 8 a.m. to 5 p.m. Central, Monday – Friday

Telephone: 888-4TxPORT / 800-285-2755 / 205-772-3770

Emergency - Nights / Weekends / Holidays:

Telephone: 800-285-2755

E-Mail: suppor[email protected]m

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Verilink 1558D (CG) Configuration/Installation Guide Manuel d'utilisateur Page 4

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