Dantel 46022-20 Руководство по установке и эксплуатации - Страница 3
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CIRCUIT DESCRIPTION
F
. 1 -F
S
IG
UNCTIONAL
CHEMATIC
RXD
CTS
DCD
DSR
TXD
DTR
RTS
S
TRAPPING
M
S
OUNTING A
UBASSEMBLY
46022-20-0398 <90-00066>
, 46022-20 M
A
C
ULTIPLE
LARM
OMBINER
39
D3
43
40
D4
37
41
D2
38
42
D1
INSTALLATION
B
efore mounting the module in the equipment housing, note
the following information about strapping and subassem-
blies:
The 46022-20 MAC has strapping points to place the signal
isolation diodes IN or OUT of the circuit (refer to Figs. 1 and 2).
They are normally strapped IN.
If you need to replace a module in the field, strap the replace-
ment unit to match the one you're replacing or contact Dantel's
Customer Support Services Department. Set all subassembly
straps or switches in accordance with the practice for that
subassembly.
1. To install a subassembly, follow these steps:
♦
♦
♦
OUT
IN
OUT
IN
SUBASS'Y
OUT
IN
OUT
IN
MODULE
SUASS'Y
POWER
SUPPLY
If there is a hole plug in the front panel of the module, re-
move the plug.
Remove the three screws from the subassembly standoffs
and remove any existing subassembly (see Fig. 2).
Place the subassembly on the board.
• Insert P4 into J4 and P5 into J5.
DATA
53
-
XMT
54
+
CA
18
-
DATA
55
56
RCV
+
CF
36
49 -12 VDC
47 +12 VDC
45 +5 VDC
35
- BATT
17
GND
CONTINUED
. . .
P
3
AGE