46033-1098 <90-00011>
P
AGE
5
INSTALLATION
I
nstallation consists of mounting the communications subas-
sembly, setting the switches, installing the module in the
shelf, and checkout.
S
UBASSEMBLY
M
OUNTING
If a subassembly is not installed already, follow the steps below.
Refer to Fig. 3 for the location of the subassembly.
1.
Remove the hole plug from the front panel of the module.
2.
Remove the three screws from the subassembly standoffs.
3.
Place the subassembly on the board.
a. Insert P4 into J4 and P5 into J5.
b. Make sure each connector pin goes straight into its socket.
c. Make sure the subassembly fits closely on the standoffs.
d. Make sure the panel is straight in the opening.
4.
Replace the three screws in the standoffs.
5.
If you install a 49008, 49013, or a 49029 subassembly, place the
option straps as required for proper operation. Refer to the subas-
sembly manual for strapping information.
Fig. 2 shows the maximum allowable cable lengths for some
common interfaces.
F
IG
. 2 - R
ECOMMENDED
C
ABLE
L
ENGTHS
40
RS232
RS422 BALANCED
RS423 UNBALANCED
100
1
10K
100K
1M
10M
10K
4K
1K
100
50
10
CABLE LENGTH (FEET)
DATA MODULATION RATE (BAUDS)