Digital Equipment DECconcentrator 500, Installation Manual, Page: 47 / 98

4–2 DECconcentrator 500 Installation
4.2 Connecting OBM Directly to a Terminal
To connect OBM directly to a terminal, do the following:
1. Set your terminal to a 2400 baud rate and 8 bits/no parity/1stop bit.
2. Connect one end of the cable to the 25-pin D-subminiature connector on the
DECconcentrator 500 I/O panel and the other end of the cable to your termi-
nal.
•
For VT100 or VT200 series:
– Digital recommends using P/N BC22R-xx cables with 25-pin connectors
at each end. If you use P/N BC16E-xx cables, use a passive adapter (P/N
H8575A) at each end of the cable.
•
For VT300 or VT400 series:
– Digital recommends using the standard six-pin modular jack (MJ) con-
nector cable P/N BC16E-xx.
3. Press
RET
to display the Main Menu (See Example 4–1).
NOTE
The baud rate can be set to 19200 from the Main
Menu display. To set the baud rate to 19200 or change
back to 2400, press
SHIFT
-
~
.
Ensure that your
terminal is set to the proper baud rate.
4.3 Connecting OBM through a Modem to a Terminal
To connect OBM through a modem to a terminal, do the following:
1. Set your terminal to a 2400-baud rate and 8 bits/no parity/1stop bit.
2. Connect one end of the cable to the terminal and the other end of the cable to
the modem (Figure 4–1).
•
For VT100 or VT200 series:
– Digital recommends using P/N BC22R-xx cables with 25-pin connectors
at each end. If you use P/N BC16E-xx cables, use a passive adapter (P/N
H8575A) at each end of the cable.