Tb2 Connector Type (All Other Signals); Electrical – Serial Port (Tb2) - Honeywell CNI2 Operating And Installation Manual

Number of input lines
Two (2), RXD receive data and DTR handshake
Input levels
DTR: 15V max.
RXD: 15V max (JP3-3 in B-C position) or +3.3V/0V max JP3-3 in A-B position)
Number of output lines
Three (3) with EIA / RS-232 levels: TXD transmit data, DCD and DSR handshakes
Three (3) with non-inverted logic levels: TXD_B transmit data DCD_B and DSR_B handshakes
Output levels
5.5V max for EIA / RS-232 signals.
+3.3V / 0V max for logic-level signals.
Bit rate
300 to 115200 (user-selectable)
TB2 Connector Type (RXD, TXD, GND)
Socket: RIA Connect Type 343, 3-position, Part number
Plug-in Terminal Block:

TB2 Connector Type (all other signals)

Socket: RIA Connect Type 343, 7-position, Part number
Plug-in Terminal Block:
CNI2 Operating and Installation Guide
ELECTRICAL – SERIAL PORT (TB2)
RIA Connect Type 339, 3-position, Part number
RIA Connect Type 339, 7-position, Part number
P/N 313431-03
P/N 313431-07
158
P/N 313391-03
P/N 313391-07