5250 REMOTE EMULATOR CARD
To check the cable, remove the cable connections at both ends and check for bent, broken, or missing pins.
In the modem or CSU/DSU configuration, make sure the DSR (Data Set Ready) and DCD (Data Carrier Detect) are set to normal operation, not forced on.
DB25
TX | DSR |
RX | CTS |
RTS | CD |
Figure 9-1. LEDs.
80
