Figure D-1. Eia-232 Connector - ADTRAN DSU III ARdc User Manual

Appendix D
56 AND 64 KBPS APPLICATION
The EIA-232 connector, shown in Figure D-1, may be used for 56 and
64 kbps applications. Using the external clock option and this cable
should eliminate data errors caused by excessive delays in the DTE trans-
mit clock receiver and transmit data driver. When creating this cable at
the DTE interface EIA-232 connector, tie transmit clock lead (TC) to exter-
nal transmit (ETC) as shown.
DTE
(No connection)
61200270L1-1
EIA-232 Connector
Pin 15
Pin 24
EIA-232 CONNECTOR

Figure D-1. EIA-232 Connector

DSU III ARdc User Manual
DSU III ARdc
TC
ETC
D-1