Appendix A. Electrical Interfaces
Freeway 3112 Hardware Installation Guide
Signal Name
Source
EIA-232
EIA-530
EIA-449
V.35
Mnemonic
Pin
Mnemonic
Pins
(A/B)
Mnemonic
Pins
(A/B)
Mnemonic
Pins
Transmit
Signal Element
Timing
DTE
DA
24
DA
24 / 11
TT
17 / 35
113
U / W
Test Mode
DCE
RM
25
TM
25
TM
18
142
NN
26
Protogate DC-900-2016A