Agilent Technologies 8511B Operating And Service Manual page 72

Table 6-10 Test Sets Interconnect Table (1 of 2)
Signal Enters
Mnemonic Description Motherboard
(Connector/Pin)
Active Active LED Indicator XA4-3
AB0
Address Bus Bit 0 XA4-29
AB1
Address Bus Bit 1 XA4-8
AB2
Address Bus Bit 2 XA4-30
AB3 Address Bus Bit 3 XA4-9
AB4 Address Bus Bit 4 XA4-31
A1S11 Attenuator 1 Section 1 In XA5-4
A1S10 Attenuator 1 Section 1 Out XA5-26
A1S21 Attenuator 1 Section 2 In XA5-24
A1S20 Attenuator 1 Section 2 Out XA5-3
A1S31 Attenuator 1 Section 3 In XA5-23
A1S30 Attenuator 1 Section 3 Out XA5-2
A1S41 Attenuator 1 Section 4 In XA5-25
A1S40 Attenuator 1 Section 4 Out XA5-1
A1S11 Attenuator 2 Section 1 In XA5-44
A1S10 Attenuator 2 Section 1 Out XA5-22
A2S21 Attenuator 2 Section 2 In XA5-18
A2S20 Attenuator 2 Section 2 Out XA5-42
A2S31 Attenuator 2 Section 3 In XA5-40
A2S30 Attenuator 2 Section 3 Out XA5-20
A2S41 Attenuator 2 Section 4 In XA5-19
A2S40 Attenuator 2 Section 4 Out XA5-41
BNMINT Buffered Non-Maskable Interrupt XA4-28
BSRQ Buffered Service Request XA4-2
DB0 Data Bus Bit 0 XA4-15
DB1 Data Bus Bit 1 XA4-37
DB2 Data Bus Bit 2 XA4-16
DB3 Data Bus Bit 3 XA4-38
DB4 Data Bus Bit 4 XA4-17
DB5 Data Bus Bit 5 XA4-39
DB6 Data Bus Bit 6 XA4-18
DB7 Data Bus Bit 7 XA4-40
GND Chassis Ground XA15-18-23, 40-44
LAP1 Low = Port 1 Attenuator Present J8-1
LAP2 Low = Port 2 Attenuator Present J9-1
LATDRVP Low = Attenuator Switch/Driver XA5-43
Present
A3 VTO
Signal Enters A1 Front A2 IF
→ Summing
(Assembly) Panel Multiplexer
Amp
Signal Exits
Motherboard J1 XA2 XA3
→
(Connector)
4
29 29
8 8
30 30
9
31
4
28 28
15 15
37 37
16 16
38 38
17 17
39 39
18 18
40 40
3, 5 11, 12, 33, 34 11, 12, 33, 34
19
41
44
A5
A10 A11
A4 GPIB Attenuator/
Sampler Sampler
Switch
XA4 XA5 J2 J4
29
8
30
28
2
15
37
16
38
11, 12, 33, 34 11, 12, 33, 34 2 2
21
A12 A13 A14 VTO/ A15 A16 Step
Sampler Sampler Driver Regulator Attenuator 1
J5 J6 J3 XA15 J8
2
13
9
3
5
11
10
4
2
2 2 3, 4 14
A17 Step A20 Rear
Attenuator 2 Panel
J9 J7
13
9
3
5
11
10
4
14