User`s guide
7
Figure 2. 34945A and L4445A External Connections
CONT ROLBUS
Agilen tTechnologies
L4445A
Microwav eSwitch/Attenuator Driv er
LAN
Reset
ATTN
LAN
PWR
4321
4321
EXPANSIONBUS
PORT2
PORT1
NOTETHERNET
SEE MANUAL
!
+V
EXTERNAL
POWERINPPU T
30 VDCMAX
I/ OACCESS
4321
4321
EXPANSIONBUS
PORT2
PORT1
NOTETHERNET
SEE MANUAL
!
+V
EXTERNAL
POWERINPPU T
30 VDCMAX
I/ OACCESS
34945A Plug-in module
Agilent 34980A
LAN
hub/switch
* = standard LAN cables
LAN cross-over cables for direct
PC – 34980A/L4445A connection
if PC is non Auto-MDIX
(cable p/n 5061-0701)
Master 34945EXT connects to 1
st
slave
through Expansion Port 1. Expansion ports
on slaves are interchangesable.
Up to eight 34945EXT modules including the master per 34945A or L4445A
8121-1339
8121-1289
8121-1289
+24 V
+24 V
Agilent L4445A
I/O interfaces:
LAN
GPIB (optional)
34945EXT #1
(master)
34945EXT #2
(1
st
slave)
Ext power
24V/12V/5V
+V
I/O interfaces:
LAN (shown)
GPIB
USB
*
*
or