ADC ACE-COM L1 User Manual
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.
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.
(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.
posts to the external test head.
JP12
B-
B+
A-
A+
Termination blocks
(TERM-100 part number 1178533)
(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
AUD
Bits
Alarm
B-
B+
A-
A+
TTIP
TRING
RTIP
RRING
Frame
GND
GND
Frame
GND
GND
NO
NO
COM
COM
NC
NC
FE
MIN
MAJ
CRIT
COM
RTN B]
-48 B
RTN A
-48 A
FGND
-48 B
RTN A
-48 A
FGND
Craft
RS-232