GW Instek GDM-8261A User manual - Manual (Page 19)

GETTING STARTED
19
USB device port Accepts a USB device cable for remote
control; Type A, female connector.
For remote control details, see page
132.
CAL key port CAL KEY Reserved for internal purposes such as
firmware updates and calibration.
Digital I/O port DIGITAL I / O Accepts a digital I/O cable for the
Hi/Lo limit tests; DB-9 pin, female
connector.
For digital I/O details, see page 124.
Optional slot x1 Accepts the optional 16 channel scanner module. For
scanner details, see page 103.
16 CHANNEL
SCANNER
MAX. RATING
250V , 2A
Optional
Communication
port Accepts an optional GPIB or Ethernet
card.