IBM System/360

SMS ALD Logic Block
U line Title or SS Timing y Line
Uline P- ~NP ZLine
}
Out-of-phase
outputs above
center of bloCk
----- A. >1 d t z NI' p -~~=-
Supervisory F F G E Supervisory
line Line } In-phase outputs
=~---P-1 BRDD P
~T~L='"="~-- p- ~~ ~ ~N ~ ~ ~:~: :~r~l:c~enter
2B H03BI
FS - Functional symbol (up to four characters -A, -TO, SS,---)
MFI - Machine feature index or special note (up to four characters)
UT - Line type in
YZ - Line type out
FF - Fmme (01 - 99)
G - Sliding gate (A, B, C, D) or modu·le (A, B, C, ---)
E - Engineering change level tag (A, B, C, ---)
B - Chassis (1 - 6) or swinging gate (1 - 8)
R - Chassis Row (A - K) or swinging gate column (A- F)
DD - Chassis column (01 - 28) or swinging gate row (01 - 26)
P - Card socket pin (single card:A-R; double, Stan-Pac, or twin:A-8)
*A - Edge Connector, Test Point. given in Note A
JX - Shield lead connected to pin J (X ==twisted pair;*""" coaxial cable)
AK - Pin A backpanel wired to pin K
CARD - Ca,d code
28 - Page coordinates
H03BI - For engineering use; block identification (circuit type)
01 - For engine~ring use; block configuration (Ol, 02, 03, ---)
N - When used means normal (not supervisory) output, load in this block.
I - One of six symbols:
52 S/360
3 - Third level input, load in this block
¢-Third level input, load elsewhere
S - Splii leVel input, load in this block
2 - Split level input, load elsewhere
C - Cascode level input, load in this block
H - Cascode level input, load elsewhere
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