1-13. DESCRIPTION OF TEST CONSOLE TEST BENCH 2A2 (cont)
EXTENDER ASSEMBLY 2A2A8
The extender assembly 2A2A8 located on the bottom front side of the cabinet,
consists of one HP-19 extender (Hewlett Packard model 37203A), a support shelf kit,
two filler panels, and drawer slide sections.
The front panel contains an input power
ON/OFF pushbutton switch and a power on LED indicator, and two other LED indicators
for DATA LOSS and DATA ERRORS.
The rear panel has a connection for the HP-19, coaxial
connection for interfacing with other extenders, a 115/230 vac panel receptacle and
fuse holder, a MASTER/SLAVE switch, and SERIAL DATA RATE switch. The fuse holder
provides a safeguard feature that requires removal of the power connector before the
fuse can be removed.
A ground lead is installed on the rear of the extender shelf and
connects to a ground on the electronic station cabinet.
The extender is the last item
in the tandem configuration and HP-IB commnunication linkup of the assigned extenders.
The purpose of the extender is to convert the HP-19 parallel input signal into a
series output signal and transmit signal to the extender that it is directly in series
115v +llv -7v, 48 Hz thru 66 Hz, 25 va (max)
Operating Temperature: 32° thru 131°F