Tektronix 2247A Operator's Manual page 240

Options and Accessories
A GATE Output—Connector located on the rear-panel provides a TTL and
CMOS compatible, positlve-going gate signal that Is HI during the A Sweep
and LO when the A Sweep Is not running.
Option 1R Rackmounted Instrument
When the 2247A Portable Oscilloscope Is ordered with Option 1A, it is
shipped In a configuration that permits easy Installation Into a 19-inch-wide
equipment rack. Also, an optional rackmounting kit may be ordered to
convert the standard 2247A to a rackmounted instrument. Installation
Instructions for rackmounting are provided in the documentation supplied
with the rackmounting kit and the 1R Option.
Other Available Options
Option 02 Front Panel Cover and
Accessory Pouch
Option 1C C-5C Option 02 Camera
Option 1K K212 Portable Instrument
Cart
Option 17 P6408 Logic Probe Included
Option 22 Two P6109 Option 1
10X voltage probes
Option 23 Two P6062B 1X/10X
voltage probes, 6 feet
8-2 2247A Operators