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HP
27130A
BALANCED
RECEIVER
~
~
'-
DRIVER
7
HP 271JOA
MVLTlPLEXER
850
pf
FRAME
GROUND
II
II
RECEIVED MTA
(RD-)
SEND MTA (50-0
+12'V
SIGNAL GROUND
SEND COMMON (SO+)
RECEIVED OATA (RD+)
-12V
17.
,.
1
m
.
2
.
:5
4
~
1K
35
AAAA.
6
y y y
1-
111
7
1-
16
8
9
lK
36
~AA'"
10
y y y
20
R5-232-C PANEL
• 36-PIN CONNECTOR RECEIVED PINOUTS
RECEIVE CH.',NNEL PIN
I
SEND CHoINNEl PIN
*
RDO-JJ
R04-2~
500-34
S04-26
R01-J1
RD5-23
501-32
505-24
RD2-29
RD6-21
SD2-3O
506-22
ROJ-27
R07-1~
503-28
SD7-20
PROTECTIVE GROUND (M)
TRAN5MIlTED OATA (SA)
RECEIVED DATA (89)
REQUEST TO SEND
(CA)
CLEAR TO SEND (ca)
o.t.TII
SET AEADY (CC)
SIGNAL
GROUND
(,t,B)
CARRIER OETECT(CF)
ON (+12V)
OFF
(-12\0
OATA TERt,lINAL
READy
(CO)
PERIPHE:I'W.
DEVICE
Figure 2-,4. Connections from MUX to Connection Box to Device
2-6
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