IBM System/34 Maintenance Manual page 477

External
Cable
To Nonswitched
Line 1 Line or
Transmit
In~ernal
Cable _---_COT Coupler
~--------~------------~
(red) }
(white)
L
I
N
E
2
Internal
Clock
Adapter Cards
A-A2 Board
Through 0-88-1
on Cable Tower
Or
( eIlOW} Receive
y (not used
with 2-wire
(black) connection)
WT Countries-Remove 283-B Plug
U.S.A. and Canada-Red and Green (white)-Transmit
External
Cable
Black and Yellow-Receive
- - - (red)
(green or white)
283-B Plug
To Nonswitched
Line 2 Line or
(red) }
L. __
~I~nt::e~rn~a~1 ~C~ab~l~e _ _
.....r-=:::=:-1
COT Coupler
Transmit
(white)
Through 0-B8-2
. on Cable Tower
Or
(yellow} Receive
(not used
with 2-wire
(black) connection)
WT Countries-Remove 283-B Plug
U.S.A. and Canada-Red and Green (white)-Transmit
Black and Yellow-Receive
- - - (red)
(green or white)
283-B Plug
Figure 31-16. 1200 BPS Integrated Modem-Nonswitched Network
18
31-130
\
..... ,
--~
c
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