Technical data

User’s and Service Guide 19

87050A Option K22 Commands

To connect all ports to their internal 50 Ω loads, send the following two commands:

OUTPUT 716;"PARAOUT52;"

OUTPUT 716;"PARAOUT105;" or

OUTPUT 712;"aterm"

OUTPUT 712;"bterm"

NOTE When a test set port is not in use, it is terminated in 50 Ω..

To read the Serial Number, send the following two commands:

OUTPUT 712;"sn?"

ENTER 712;S$

Reset Command:

When the *rst is set, the instrument is set to a known state where all ports are terminated.

B4 to PORT 10 b4p10

B4 to PORT 11 b4p11

B4 to PORT 12 b4p12

B4 to AUX2 b4aux

B1-4

TERMINATED

bterm 105 01101001

SERIAL

NUMBER

sn? Returns serial

number in a string

over the GP-IB

RESET

*rst

RESET2

*rst2

BOX IDENTITY idn? Displays on LCD

display only

Previously, one reset command (*rst) resided in the firmware. See Figure 8 on

page 20

for switch and port configuration. This command resets all switches.

2. The new reset command (*rst2) resets only sw14, sw15, sw16, sw17 and sw50

through sw61. See

Figure 9 on page 20 for switch and port configuration.

Switches sw10 and sw13 do not change from their previous settings.

Table 2 Test Port Addresses

Connection Path GPIB Command Decimal Binary Equivalent