Comtech EF Data CDM-500 Especificaciones Pagina 26

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Rev. 1.3 5–1
5
Chapter 5.
CONNECTOR PINOUTS
5.1 Connector Pinouts
5.1.1 Data Connector
-
25 Pin ‘D’ Type Female
Table 5-1 25 Pin ‘D’ Type Female
Pin Generic Signal
description
Direction RS422/ EIA
530
V.35 RS232 Circuit
No
1 Shield - Shield FG AA 101
2 Transmit Data A DTE to Modem SD A SD A BA 103
3 Receive Data A Modem to DTE RD A RD A BB 104
7 Signal Ground - SG SG AB 102
8 Receiver Ready A Modem to DTE RR A RLSD* CF 109
9 Receive Clock B Modem to DTE RT B SCR B - 115
10 Receiver Ready B Modem to DTE RR B - - 109
11 Transmit Clock B DTE to Modem TT B SCTE B - 113
12 Internal Transmit Clock
B
Modem to DTE ST B SCT B - 114
14 Transmit Data B DTE to Modem SD B SD B - 103
15 Internal Transmit Clock
A
Modem to DTE ST A SCT A DB 114
16 Receive Data B Modem to DTE RD B RD B - 104
17 Receive Clock A Modem to DTE RT A SCR A DD 115
23 External Carrier Off
(RS232 ‘1' or TTL ‘low’ )
DTE to Modem - - - -
24 Transmit Clock A DTE to Modem TT A SCTE A DA 113
NOTES:
Receiver ready is an RS232-level control signal on a V.35 interface
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