Model 
8901B 
Reference 
Designation 
AlS21 
A1 
Sp 
AlS23 
AlS24 
A1 
525 
A1 
S26 
A1 S27 
AS28 
A1529 
AIS24 
AlS31 
AIS32 
A1 
S34 
A1 
535 
AIS36 
A1 S37 
A1 
s3s 
AlS39 
AtS40 
AlS41 
A1 S42 
AlS43 
AlSM 
AS45 
AlS46 
AITPl 
AlTP2 
AlTP3 
AlTP4 
AlTPS 
AlUl 
A1 
U2 
A1 
U3 
AlUP 
A1U5 
A1U6 
A1U7 
A1W 
A1 
W 
AlUlO 
HP 
Part 
Number 
50604436 
50604436 
50604436 
50604436 
50609436 
50604436 
50604436 
50604436 
50604436 
50604436 
50604436 
50604436 
50604436 
50604436 
50604436 
50604436 
50604436 
50604436 
50804436 
50604436 
50604436 
50604436 
50608436 
50604436 
50604436 
12514600 
1251 4600 
12514600 
12514600 
12514600 
1820-1729 
1820-2075 
19900574 
12000803 
19900574 
12000803 
19900574 
12004803 
19904574 
12000803 
19904574 
12000803 
19904574 
12004803 
19904574 
12004803 
19904574 
12004803 
C 
D 
7 
7 
7 
7 
7 
7 
7 
7 
7 
7 
7 
7 
7 
7 
7 
0 
0 
0 
0 
0 
3 
4 
3 
8 
3 
8 
3 
8 
3 
8 
3 
8 
3 
8 
3 
B 
3 
8 
Table 
63. 
Replaceable 
Parts 
Qty. 
Description 
PUSHBUTTON SWITCH P.C.  MOUNT 
PUSHEUTTCW SWITCH P.C. 
MWNT 
PUSHBUTTON SNITCH P.C. 
MOUNT 
PUSHBUTTON SNITCH P.C. 
MOUNT 
PUSHBUTTCW SWlTCH P.C. 
MouNl 
PUSHBUTTON SWlTCH P.C.  MOUNT 
PUSHBUTTON SwrrCH P.C. 
MOUNT 
WSHEUTTON 
SNITCH P.C.  MOUNT 
PUSHBUTTON SWITCH P.C. 
MOUNT 
PUSHBUTTON SNITCH P.C. 
MOUNT 
PUSHBUTTON SNITCH P.C.  MOUNT 
PUSHBUTTON SNITCH P.C.  MOUNT 
PUSHBUTTON SNITCH P.C.  MOUNT 
PUSHBUTTON SWrrCH P.C. 
MOUNT 
PUSHBUTTON SWITCH P.C.  MOUNT 
WSHBUTTCW 
SNITCH P.C.  MOUNT 
PUSHBUTTON SNITCH P.C.  MOUNT 
PUSHBUTTON SWITCH P.C.  MOUNT 
PUSHBUTTON SWITCH P.C. 
MOUNT 
PUSHBLJTTON SWlTCH P.C.  MOUNT 
PUSHBUTTON SWlTCH P.C.  MOUNT 
PUSHEmON 
SWITCH 
P.C.  MOUNT 
PUSHBUTTON SWITCH P.C.  MOUNT 
PUSHBUTTON SWITCH P.C.  MOUNT 
PUSliBmON SWITCH P.C.  MOUNT 
CONNECTORSGL CONT PIN 1.14-MM-BSCSZ 
So 
CONNECTORSOL CONT PIN 1.14-MM-BSCSZ 
SO 
CCWNECTORSGL CONT PIN 1.14-MM-BSCSZ 
SO 
CONNECTORSGL CONT PIN 1.14-MM-BSCSZ 
SQ 
CONNECTORSGL CONT PIN 1.14-MM-BSCSZ 
SQ 
19  tC LCH TTL 
LS 
COM CLEAR 6-BIT 
5 
IC TRANSCEIVER lTL LS BUS OCTL 
10  DISPLAY-NUMSEG 1CHAR .43-H 
10  SOCKET-IC 14CONT DIP DIP-SLDR 
DISPLAYNUMSEG 
1CHAAR 
A3.H 
SGCKET-IC 
14CONT 
OIP DIPSLDR 
DISPLAY-NUMSEG 
1 
CHAR 
.43-H 
SOCKET-IC  14CONT DIP 
DIPSWR 
DISPLAY-NUMSEG lCHAR 
.43-H 
SOCKET-IC 14Cm DIP DIPSLDR 
DISPLAY-NUMSEG 1CHAR .43-H 
101 
SOCKET-IC 
i4CONf DIP DIPSLDR 
DISPLAY-NUM-SEG lCHAR ,4344 
SOCKET-IC l4CONT DIP DIPSLOR 
DISPLAY-NUMSEG lCHAR .43.H 
SOCKEF-IC 
14Cw 
DIP DIPSWR 
DISPLAYNUM-SEG ICHAR .43-H 
SOCKR-IC 
l4CoKl 
DIP DIP-SLDR 
Mfr. 
Code 
28480 
28480 
28480 
28480 
2Me.o 
28480 
28480 
28480 
28480 
28480 
28480 
28480 
28480 
28480 
28480 
28480 
28480 
28480 
28480 
28480 
28480 
28480 
28480 
28460 
28480 
28480 
28480 
28480 
28480 
28480 
01295 
28460 
28480 
28480 
28480 
28480 
28480 
28480 
28480 
28480 
28480 
28480 
28480 
28480 
28480 
28480 
28480 
28480 
Replaceable 
Parts 
Mfr. 
Part 
Number 
60604436 
5060-9436 
50604436 
50604436 
50604436 
50604436 
50604436 
60604436 
60604436 
50604436 
50604436 
60604436 
50608436 
6060-9436 
50604436 
50604436 
5060-9436 
50608436 
506043436 
50604436 
50604436 
50608436 
5060-9436 
5060-9436 
5060-9436 
1251 
4 
600 
12514600 
12514600 
1251 4600 
12510600 
SN74LS259N 
1820-2075 
5082-7651 
12004803 
5082-7651 
12004803 
5082-7651 
1MOD803 
5082-7651 
12004803 
5082-7651 
12004803 
5082.7651 
12004803 
5082-7651 
12004803 
lM04803 
we2.7651