Network Control Module 300 Series Technical Bulletin 40
Operator Terminal Cabling
On the NCM, the Operator Terminal connection can be made to:
• Port 2 (RS-232), see Figure 16 and Figure 17
• Port 3 via a modem, see Figure 10
• Port 4 (RJ-12 connector via an NT Emulator cable), see Figure 14
• Port 4 (RS-232), see Figure 16 and Figure 17
Note that the Operator Terminal can be an actual VT100 terminal
(VT220), or a VT100 emulation program (for example, ProComm®
terminal) running on a PC. When selecting the Operator Terminal
software set, Port 4 accepts the Operator Terminal; it accepts no other
RS-232 device. (The NT cannot be used on an NCM running the
Operator Terminal software.)
Figure 14 shows how to connect the OT via the RJ-12 connector of
Port 4 using the NT Emulator Cable. Figure 16 shows how to connect
the Operator Terminal (VT220) from the 9-pin connection of
Port 2 or 4. (This connection requires a DB9 Female end for
connection to the VT220.) Figure 17 shows how to connect the
Operator Terminal from the 9-pin connection of Port 2 or 4 to either
the 25-pin serial port or 9-pin serial port of the PC or the VT100.
NCM
Port 4
9-pin Female
WYSE 150 e
25-pin
2
3
5
6
2
3
7
4
6
NCM
Port 4
9-pin Female
WYSE 150 e
9-pin
2
3
5
6
2
3
7
6
5
RD
TD
SG
DSR
RD
TD
SG
DSR
DTR
RD
TD
SG
DSR
RD
TD
SG
DSR
RTS
nc3newvt100
Figure 16: RS-232 (Port 2 or Port 4) 9-pin Connection to Operator
Terminal (VT100 Terminal - VT220)
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