Pin Assignment; Jumper Settings - Tripp-Lite U208-001-IND El Manual Del Propietario

Pin Assignment

The included serial adapter uses a male DB9 connector. Please see the connector's pin
assignment below:
Pin
1
2
3
4
5

Jumper Settings

The included serial adapters feature independent TX and RX termination resistors for
each serial port. The jumper settings (short pins) can be modified to avoid impedance
mismatch problems when operating under a multi-drop transmission. To modify the
settings, open the metal covers and set the jumper setting with the included connectors
to enable or disable 120 ohm termination resistors. The factory default setting is OPEN
(disable 120 ohm termination resistors across two wires).
17-10-300-93375A.indb 4
1
6
RS-422
Tx-
Tx+
Rx+
Rx-
GND
Open (Default)
4
5
9
RS-485 (2-Wire)
D-
D+
N/A
N/A
GND
Short
RS-485 (4-Wire)
Tx-
Tx+
Rx+
Rx-
GND
11/10/2017 9:59:35 AM