Digital Link DL600E E1 Guia do Utilizador Página 125

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B-3
DL600E-to-Equipment Pin Assignments
The pin assignments for DL600E unit to Equipment in Table B-3.
Table B-3 DL600E to Equipment Pin Assignments
Name V.35 EIA-530 X.21 RS449 Description
Serial Clock
Transmit
SCT -A, B
(Y, AA)
SCT -A, B
(Y, AA)
SCT -A, B
(Y, AA)
Clock for SD. SD changes on
positive transition of
SCT (A) -
SCT(B)
Serial Clock
Receive
SCT -A, B
(V, XX)
RT -A, B
(17, 9)
Signal
Element
Timing (6, 13)
RT -A, B
(8, 26)
Clock for RD. RD changes on
positive transition of
SCR(A) -SCR(B)
Receive Data
RD-A, B
(R, T)
RD-A, B
(3, 16)
Receive
(4, 11)
RD -A, B
(6, 24)
Received data from E1 network
Data Set
Ready/Data
Mode
DSR
(E)
DCD RDY -
A, B
(6,22)
DM-A, B
(11, 29)
See diagram for truth table
Receive Line
Signal Detect
RLSD
(F)
RS(8, 10)
Indication
(5, 12)
RR-A, B
(13, 31)
See diagram for truth table
Clear to Send CTS
(D)
CTS-A, B
(5, 13)
CS-A, B
(9, 27)
See diagram for truth table
Ring
Indicator
RI (J) Always inactive
Test Mode TM (25) TM (18) See diagram for truth table
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