ZIV MBPU, Руководство пользователя, Страница: 11 / 28

Communication solutions for power utilities
UNIVERSAL POWER-LINE CARRIER SYSTEM TYPE OPU-1
WHOLE BAND QAM MODEM MBPU - Rev. 0 (July 2011)
11/28
SUB-D 25 pin Circuit no. DTE/DCE* V.24/V.28 signal
1 101 - Protective ground
2 103A
⇒
TXD
3 104A
⇐
RXD
4 105A
⇒
RTS
5 106A
⇐
CTS
6 107A
⇐
DSR
7 102 - GND
8 109A
⇐
DCD
15 114A
⇐
TXCLK
17 115A
⇐
RXCLK
20 108A
⇒
DTR
24 113A
⇒
EXT CLOCK
*
The DTE/DCE column shows the direction of each of the signals involved,
the MBPU modem corresponding to the Data Circuit Equipment (DCE).
Table 3 Signals V.24/V.28 of connector J1 of terminal block ZQBT
SUB-D 15 pin Signal DTE - DCE*
ISO 4903
designation
1 Protective ground - -
2 Transmission (A)
⇒
T (A)
3 Control (A) - C (A)
4 Reception (A)
⇐
R (A)
5 Indication (A) - I (A)
6 Signal timing (A)
⇐
S (A)
7 External clock (A)
⇒
X (A)
8 Signal ground - G
9 Transmission (B)
⇒
T (B)
10 Control (B) - C (B)
11 Reception (B)
⇐
R (B)
12 Indication (B) - I (B)
13 Signal timing (B)
⇐
S (B)
14 External clock (B)
⇒
X (B)
15 Not used - -
* The DTE/DCE column shows the direction of each of the signals involved,
the MBPU modem corresponding to the Data Circuit Equipment (DCE).
Table 4 Signals V.11 of connector J2 of terminal block ZQBT