Digicom SNM15 Operation Manual page 8

SNM15
Cont. Circuit
Conn. V.24RS 232 DTE-SNM15Abbrev.
2 103
3 104
4 105
5 106
6 107
7 102
8 109
9 -
10 -
11 -
12 -
13 -
14 -
15 114
16 -
17 115
18 141
19
20 108.2 CD ————>
21 140
22 125
23 112
24 113
25 142
Interface circuits
1.4
Direction Mnem. Description
BA ————>
BB <————
CA ————>
CB <————> CTS Clear to transmit
CC <————
AB <————>
CF <————
- <————
- <————
-
-
-
-
DB <————
-
DD <————
CN ————>
CF ————>
CE <————
CI <————
DA ————>
- <————
TD Transmit data
RD Receive data
RTS Request to transmit
DSR Modem ready
SG Signal ground
DCD Data carrier detect
+12 V test voltage
-12 V test voltage
TC Internal transmission
clock
RC Reception clock
L3 Request for loop 3
CCONF pin (see *M
command)
DTR Data terminal ready
RDL Request for remote Loop
RI Ring Indication
Speed section for DCE
(Note 1)
ETC External transmission
clock
TI Active loop
Introduction
Digicom SpA