User manual

12 Getting Started Chapter 1
Channel Relay
Switches
The channel relay switches are separated into eight banks. Each bank has
eight switchable channels and a COM channel. Each channel has a
separate HI (H) and LO (L) line. See Figure 1-1 for a block diagram.
Figure 1-1. E1460A Multiplexer Block Diagram
OPEN
CLOSED
COM
CH 0
CH 7
BANK 0
JM10
JM11
CLOSED
OPEN
COM
CH 0
CH 7
BANK 3
JM13JM12
BANK 2
CH 7
CH 0
COM
JM16 JM17
JM15
JM14
CH0993
CH0996
JM5
CABLE T
1W LO REF
H1(1W HI COM)
L1(1W LO COM)
G
ANALOG BUS
H2
L2
G
H
L
COM
CH 0
CH 7
BANK 4
CH 7
CH 0
COM
BANK 5
BANK 6
COM
CH 0
CH 7
CH 7
CH 0
COM
BANK 7
CH 0992
CH 0994
CH 0995
CH 0991
CH 0990
SWITCH CARD TERMINAL CARD
JM1
COM
CH 0
CH 7
BANK 1
JM4
L1
H1
L
H
H
L
H
L
H
L
H
L
H
L
L
H
H
L
L
H
H
L
H
L
JM2 JM3
H
L
H
L
H
L
H
L
H
L
H
L
L
H
H
L
H
L
L
H
H
L
H
L