IBM 3274 51C Maintenance Information page 100

OOSA
OSU*
. /
CSU**
BSC
3274·51C
Host
f - ICA
CCA
EIA or V.35
Modem
I - -
. /
Modem
See Note
BSC
See paragraph 5.1.2.
3274·51C,52C
(W/O V.35)
CCA
-
Modem
Modem
--;7
BSC
3274-
51C,52C
CCA
Data Link Attached Loop
Modem
Loop
\
Loop
SOLC
Host*
8100
Control Unit
~
3274·
Modem
3842/3
51C,52C
~
3872
HPCA
See paragraph 5.1 .1.
Direct Attached Loop
Loop
'\
SOLC
Host* 8100
3274·
/
51C,52C
HPCA
See paragrapb 5.1.1.
*Host may not be present.
Note: Modem may be integrated, in which case EIA or V.35 interfaces are not present.
Figure 5-1 (Part 2 of 2). Communications Configuration
Otapter 5. Communications Reference Data 5-3