ETHERPHONE PARTS LISTS
Filed on: EtherphoneParts.bravo
December 22, 1982 2:53 PM
N.B. Quantity is one unless otherwise indicated.
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1. DIGITAL BOARD (EPC) PARTS
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ConnectorComments
AMP 206584-1Ethernet transceiver
AMP 206914-1
Reset, NMI, two RS232’s
Viking LMP01KH22A01
Connection to Locator board (LLB)
Viking LMP01KH28A01Connection to Analog board (EAP)
Molex 09-65-1041Power Connector
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40 PinQuantityComments
i8088-2 (2)Master and Slave Processors
i8255A-5
(2)PIO
i8274
Ser. Cntrlr.
i8237A-5 (or AM 9517A-5)
DMA
AM9513PC
Timer
SLC
Ethernet
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28 Pin QuantityComments
i8259A-2Intrupt. Cntrlr.
i2764
(2)Main and Slave EPROMs 250 ns. requires no dash number
WD2001F-02
Encrypt (F30 = 3 MHz?)
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24 PinComments
H6116P-4Slave Ram (2Kx8 - 200 ns. static ram)
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20 Pin QuantityComments
AMZ8103presently using i8287 but it takes more power
AMZ8104
(2)presently using i8286 but it takes more power
LS240
SN74LS299
SN74S373
SN74LS373
(4)
SN74LS374
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18 PinComments
i8284AMaster Clock
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16 Pin QuantityComments
Dip Switch (2)
Beckman 898-3-R27
Resistor Dip (Dwg 06)
TPB18S030N
(TI) 32x8 Control Prom
F93427(Fairchild) 256x4 Main Decode Prom (24S10 shown on dwg)
AM26LS32
AM26LS31
SN74LS123
SN74LS138
SN74LS153
SN74S158
(3)
SN74LS166
SN74LS279
(2)
64K Rams
(8) Pin 1 must not be used.

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14 Pin QuantityComments
SN74LS00
SN74LS02
SN74LS04
(3)
SN74LS08
SN74S10
SN74LS11
SN74LS32
SN74LS38
SN74LS74
SN74LS132
SN74S74
SN75188
(or MC1488)
SN75189
(or MC1489)
SN74LS393
8T09
23.53 MHz xtal osc.
K1115A (Main, SLC, Slave, Encrpt)
12.288 MHz xtal osc.
K1115A (T1Clk, Timer, TSN, etc.)
Bel Fuse 0447-0100-02
(Del. Line: 5 taps @ 20 ns. int. TTL compat)
Marked D100 on Dwg. 06. Gnd pin 7, VCC pin 14
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SIPS QuantityComments
1K - 8 pin (4)
10K - 10 pin
(6)
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BypassCaps Quantity

(55)
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Resistors QuantityComments

51K
Watchdog timer - see dwg 03
47K
Pwr reset - see dwg 03
10K
(2)Reset - see dwg 03, and PNMI pulldown - see Dwg. 01
5K
SLC Rdy - see dwg 05
2K
(2)SLC Clk and SLC Clk’ - see dwg 05
150 ohm
(2)Rcv. Data - see dwg 05
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Capacitors
QuantityComments

22 uF
(2)Watchdog timer - see dwg 03
6.8 uF
Pwr reset - see dwg 03
0.2 uF
Reset - see dwg 03
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DiodeComments

1N4148
Pwr reset - see dwg 03
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2. ANALOG BOARD (EAP) PARTS
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ConnectorQuantityComments
Viking LMR01KH28E011Connection to ETT board
RCA phono jacks5Lines In/Out & Microphone
Modular 8-pin2to teleset & Spkr. Box
Modular 6-pin1to telewall (only 4 wires used)
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IC’sQuantityDwgComments
i2910A21
i2912A
21
AM26LS3211
AM26LS31
11
NE5534
12Signetics
LM1877N-9
12National
CD4053B
12, 6
MT8865
13Mitel (DTMF Filter)
MT886013Mitel (DTMF Detector)
MC145872, 3, 5, 6
MC142100
444 x 4 Analog Switch
75452
15,6TI
TIL119
15Fairchild Opto-isolator
74LS14
15, 6, 7
74LS85
17
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CapacitorsQuantityDwgComments

250 ufd
1216volt DC (See note 3).
22 ufd
3516volt DC
22 ufd
1535volt DC
6.8 ufd
82, 5, 7, 82 are for -5v supply
2.2 ufd
26, 710 - 15 volt OK
1 ufd
22, 435 volt
0.47 ufd
15250 volts
0.33 ufd
191, 2, 3, 4, 6
0.1 ufd
461, 2, 3, 4, 5, 6, 7
3900 pf
12
2200 pf
21
680 pf
23
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ResistorsQuantityDwgComments

2M
23
470K
21, 4also 16 on pg. 4 in SIPs
270K
13
220K
43, 5, 6
180K
41, 2
100K
22
68K
22, 6
33K
35
30K
21
27K
15
24K
16
22K
91, 5, 6also 9 on pg. 4 in a 10-pin SIP
20K
21
18K
16
15K
51, 2, 3
12K
16
11K
15
10K
141, 2, 3, 5, 6
4.7K
131, 3, 5, 6, 7
3.3K
33, 5
2.2K
24
1.5K
23
1K
22, 5
910 ohms
16
620 ohms
52, 5, 6
470 ohms
26
390 ohms
16
330 ohms
17
100 ohms
12
68 ohms
15
56 ohms
16
51 ohms
25
18 ohms
25, 6
10 ohms
251/4 watt
3 ohms
12
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SIPSQuantityDwg Comments

470K
248 pin
22K
1410 pin
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DiodesQuantityDwgComments

1N4148
184, 5, 6
1N4004
45
1N4372A
253 volt zener diode
1N5363
1530 volt, 5 watt Zener
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TransistorsQuantityDwgComments

2N3904
25, 6
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MiscQuantityDwgComments

Trimpot
10K
12microphone preamp gain

Trimpot
phone ringing volume
1K
22, 5and hybrid adjustment
(for particular phone-line)

Xtal
3.579545 MHz
3Small

100uH
25
Deci-Ductor

Midtex
55,6Midland Ross Dip Relay
190-22E100
5VDC coil

Transformer
15Either MIDCOM 671-0313
or 671-0339

LM7905C
17-5 volt regulator

Lightening
25TII-47BT
arrestors

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3. LOCATOR BOARD (LLB) PARTS
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ConnectorComments
Viking LMR01KH22E01Connection to ETT board
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4. SPEAKER and SPEAKER- BOX PARTS
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MiscQuantityEAP Dwg. #Comments

Speaker
1Realistic Minimus 0.5

Box
14-7/8 x 4-1/8

Toggle
17up = solid on
Switch
down = momentary on

JA1N056S102UA
2 Allen-Bradley 1K audio-taper Pot

LED
17

Knob
17Pantane 1PV-19BA2

0.1 ufd
27
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5. CABLES and CONNECTORS
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1. EAP to Speaker Box
2. EAP to Microphone
3. EAP to Telephone (Teleset)8-wire Modular
4. EAP to Telewall6-wire modular (only 4 wires used)
5. ETT to Transceiver
6. ETT to Power Supply
Molex connector on ETT end of power cable is Molex 09-50-3041 with pins 08-50-0106
7. Speaker Box to Speaker
8. Power cord
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6. MISCELLANEOUS
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Ethernet Transceiver
Power SupplyCondor
MicrophoneRadio-Shack $4.99
Telephone Set