Appendix B.
RS232 pinout specifications
Pin
Signal Name
Acronym
I/O
Description
1
Data Set Ready
DSR
Input
Unused
2
Data Terminal Ready
DTR
Output
Pulled high with 1Kohm resistor
3
Transmit Data
TXD
Output
Serial data from port
4
Signal Ground
GND
DC ground reference
5
Receive Data
RXD
Input
Serial data to port
6
Request to Send
RTS
Output
Pulled high with 1Kohm resistor
Appendix C.
General specifications
SIZE (Width x Height x Depth)
M (mini) 8.8" wide x 4.85" deep x 1.75" high
22.35 cm. x 12.32 cm. x 4.44 cm.
L (low)
13.2" wide x 4.85" deep x 1.75" high
33.53 cm. x 12.32 cm. x 4.44 cm.
H (full)
13.2" wide x 4.85" deep x 3.50" high
33.53 cm. x 12.32 cm. x 8.89 cm.
WEIGHT
Includes transformer, manual,
and packaging
M (mini) 2-port and 4-port
4 lb. (1.8 kg.)
L (low)
8-port
6 lb. (2.7 kg.)
H high)
4-port and 8-port
7 lb. (3.2 kg.)
H (high)
12-port and 16-port
8 lb. (3.6 kg.)
ENVIRONMENTAL
0-55 C°, 10-90% relative humidity non-condensing
TRANSFORMER INPUT
117 VAC power adapter supplied
230 VAC optional
TRANSFORMER OUTPUT
M (mini) 17VAC CT, 700ma
L (low)
17VAC CT, 700ma
H (high)
17VAC CT, 1400ma
CPU/MKM CONNECTORS
DB25 Female
CHASSIS
Fully shielded, black painted steel
CONTROLS
Power switch, - switch, + switch
INDICATORS
1 power LED, 4-16 select LED, 4-16 CPU power LED
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