50
Maxuum III Digital Electronic Indicator 2239028 Rev D
8.2 ASCII Output
This digital output is provided to allow ASCII serial byte commu-
nications with other electronic devices. This is often referred to
as a serial communication format. Data is transferred at 2400
baud and is updated 16 times a second. Maxum III models use
a 6-pin or 10-pin connector and feature a SERIAL OUTPUT
capability. The 10-pin model also offers a RESET and HOLD
capability.
Maxum III models using the 6-pin or 10-pin connector and out-
put format selected for ASCII have a pin-out designation is as
follows in the table on the right:
Signal Name
6-pin conn.
Signal Name
10-pin conn.
1
+5V +5V
2
Clock Out Clock Out
3
Digital Out Digital Out
4
Sign ‘1’ (-) Sign ‘1’ (-)
5
Signal Com Signal Com (Gnd)
6
Shield Shield
7
N/A Not for customer
use***
8
N/A Not for customer
use***
9
N/A RESET
10
N/A HOLD
*** These pins are never to be connected to. User assumes any and all liability when
connecting to pins 7 & 8. This digital output protocol is as shown in the next section
“8.2.1 Protocol”