Adc ACE-COM L1 Instrukcja Użytkownika Pobierz pdf (Strona 19)

LTPH-UM-1088-02, Issue 2 Installation

ThinMux Chassis January 3, 2002 9

Figure 5. Installing Line Terminators

3 Install the BITS terminating blocks (catalog number TERM-100),

provided in the installation kit, between the Bits A+, A- and B+, B- posts.

4 Connect Bits A and Bits B posts to your Synchronous Optical Network

(SONET) clock synchronization source (SONET minimum clock or

better). Use a frame ground post as a shield, if needed.

Connect Test Access

5 Connect the Test Access TTIP, TRING, RTIP, RING, and Frame GND

posts to the external test head.

JP12

B-

B+

A-

A+

Termination blocks

(TERM-100 part number 1178533)

Wire-wrap pin

Terminator PCB

Terminator resistor

Chassis backplane

*Install the 100 termination block with the

resistor facing towards the backplane.

Ω

Side view of

termination block*

JP7

Test

Access

CRIT

VIS

CRIT

AUD

Bits Alarm

B-

B+

A-

A+

TTIP

TRING

RTIP

RRING

Frame

GND

Frame

GND

NO NO

COM COM

NC NC

MIN

MAJ

CRIT

COM

RTN B]

-48 B

RTN A

-48 A

FGND

Craft

RS-232

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 33 34

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