Digi PortServer II

90030500B Installation Page 45
Connecting to printers
You can connect a printer to any available serial port on PortServer II.
1. Obtain a suitable cable to connect the printer to the serial port on PortServer II.
The wires that must be available depend on whether the printer requires software
(XON/XOFF) or hardware (DTR/DSR) handshaking.
If the terminal employs software handshaking, you can use a simple 3-wire cable
as shown below:
Figure 18 Printer cable with Software handshaking
Note:
Some Okidata printers use a control signal called Supervisory Send Data
(SSD) on pin 11, instead of DTR. For these printers, connect CTS on the RJ-
45 connector to pin 11 of the DB-25 connector, instead of pin 20.
If the terminal requires hardware handshaking, use the cable shown on the following
page.
RJ-11 (4 Pin)
DB-25 Male
GND 1 1 GND
TxD 2 2 TxD
RxD 3 3 RxD
SG 4 7 SG
=Cable
Shield