Paradyne Compshere 3000 Series Installation Manual page 59

NOTE
To ensure proper alignment of
the circuit card(s) and rear
connector plate or connector
module, perform Step 7 only
during initial installation.
After that, remove or install
modular circuit cards from the
front of the carrier.
7. Return to the rear of the carrier and tighten either
the:
— Screw on the rear connector plate, or
— Two screws on the connector module.
Verify that the circuit card is firmly seated to ensure a
connection with the rear connector plate.
After installing the circuit card, do the following:
Connect the cables.
Install the ferrite chokes, if supplied; see Ferrite
Choke Installation on page 6-8.
Configure the unit as described in the device's
documentation.
Perform verification testing as described in the
device's documentation.
T1 CSU and T1 DSU/CSU
Circuit Card Installation
NOTE
Before installing a T1 CSU or
T1 DSU/CSU circuit card in a
carrier, you must first install a
T1 auxiliary backplane. Refer to
the T1 Auxiliary Backplane
Installation section in Chapter 4.
After installing the T1 auxiliary backplane, you are
ready to install a T1 CSU or T1 DSU/CSU circuit card
(Figures 6-8 and 6-9).
3000-A2-GA31-D0
T1
CSU
S e
le c
t
O K
F a
il
T e
s t
S ig
N e
t
O O
F
A lr
m
E E
R
S ig
D T
O O
E
F
A lr
m
P D
B
B P
I n
V
N e
t
O u
t
I n
E q
O u
t
N e
t
M o
n
E q
C S
U
3 1
5 1
Figure 6-8. T1 CSU Circuit Card
T1
DSU/CSU
S e
le c
t
O K
F a
il
T e
s t
S ig
N e
t
O O
F
A lr
m
D T
E E
R R
T X
S ig
D
R X
O O
D
C T F
A lr
S
m
R T
P D
S
B
B P
I n
V
N e
t
O u
t
I n
E q
O u
t
N e
t
M o
n
E q
D S
U /
C S
U
3 1
6 1
Figure 6-9. T1 DSU/CSU Circuit Cards
July 1999
Circuit Card Installation
66-Pin
Auxiliary
Backplane
Connector
30-Pin
Backplane
Connector
496-14852-02
66-Pin
Auxiliary
Backplane
Connector
30-Pin
Backplane
Connector
DSU
496-14853-02
6-7