Verilink ConnecT 56K DSU (896-502110-001) Product Manual - Manual (Page 87)

Figures
ConnecT 56K DSU User Manual A-11
Figure A-6 DSU to Modem Interconnect Diagram
Figure A-7 EIA 232 Connector for 56 KB/s and 64 KB/s Application
RC
ETC
RD
TD
DCD
RTS
ETC
RC
TD
RD
RTS
DCD
C
M
O
D
E
M
For multi-drop requirement:
o
n
n
e
c
T
5
6
K
D
S
U
DTE
At DTE Interface RS 232 connector, tie transmit
clock lead (SCT) to external transmit clock (ETC) as
shown. This may resolve data error problems caused
by signal delays at high rates.
DTE ConnecT 56K DSU
Pin 15
Pin 24
SCT
ETC
RS 232 Connector
(No connection)
ConnecT 56K DSU
Options for EXT TX CLK