P
AGE
12
05547-0798 <90-00047>
44214 9600 BPS M
ODEM
To set the switches and straps:
Refer to Fig. 9 for the locations of the switches and straps.
1.
On the front panel of the module, set the ALB and DLB switches (S3
and S5) in the DOWN positions.
2.
On the circuit board, set the 2W/4W switch (S7) for 4W.
3.
Set S2 and S6 on the circuit board as follows:
S2-1 off, rest on (9600 baud operation)
S6-1 off, rest on (TTL/CMOS I/O port enabled)
4.
Set JP1-JP3 to the O (OUT) position. Set JP4 and JP5 to the ACT
position.
5.
Reinstall the module in the middle slot in the top equipment shelf.
6.
End of this section.
N
OTE
:
The 44214 communicates
with a second 44214 at the
other end. One of these two
modules must have its ORG/
ANS switch set for ORG and
the other module must be
set for ANS.
N
OTE
:
Switches 1, 3, 4, 5, and Level
Controls R44 and R53 are ac-
cessible through the front
panel.
INSTALLATION
F
IG
. 9 - 44214 S
WITCH
AND
S
TRAP
L
OCATIONS
N
OTE
:
All switch, strap, and level
settings are factory-set.
S7
R53
S3
S5
S1
S4
OUT
IN
JP1
OUT
IN
JP2
OUT
IN
JP3
ACT
N/A
JP4
ACT
N/A
JP5
4W
2W
ON
R44
S6
1 2 3 4
OFF
S2
1 2 3 4
OFF
ON
44214-00
4-WIRE MODEM
A11-44214-00 REV. _
LINE
MON
LINE
MON
TD
RD
RTS
CD
DTR
CTS
2W
XMT
4W
XMT
RCV
LEVEL
GND
ON
OFF
ON
OFF
ORG
ANS
RCV
ALB
DLB
RST