User Manual

TRACER 4205 System Manual Section 3, Engineering Guidelines
612804205L1-1A © 2002 ADTRAN, Inc. 29
Connector type (USOC) DB-25
Table 5. RS-232 Connection Pinout
PIN NAME DESCRIPTION
1, 7 GND GROUND
2TXTRANSMIT
3 RX RECEIVE
4 RTS REQUEST TO SEND
5 CTS CLEAR TO SEND
6 DSR DATA SET READY (MODEM CONTROL ONLY)
8 CD CARRIER DETECT
9-19 — UNUSED
20 DTR DATA TERMINAL READY (MODEM CONTROL ONLY)
21 — UNUSED
22 RI RING INDICATOR
23-25 — UNUSED
Table 6. TRACER 4205 (DCE) to Terminal (DTE) Diagram (DB-25)
PIN NAME PIN NAME
2TX 2 TX
3RX 3 RX
4RTS 4 RTS
5CTS 5 CTS
6 DSR 6 DSR
7GND 7 GND
Table 7. TRACER 4205 (DCE) to Personal Computer (DB-9)
PIN NAME PIN NAME
2TX 2 TX
3RX 3 RX
4RTS 7 RTS
5CTS 8 CTS
6 DSR 6 DSR
7GND 5 GND