Idr 8-kbps esc (j2), V.35, rs-530 (j3), 2 idr 8-kbps esc (j2) – Comtech EF Data UB-530 User Manual
Page 20
Breakout Panel
Revision 2
Connectors and Switches
MN/UB530.IOM
2–8
2.2.2.2 IDR 8-kbps ESC (J2)
Signal Function
Name
Pin #
Ground
GND
1, 19, 20, 37
TX octet
TXO–A
3
TXO–B
21
TX data
TXD–A
4
TXD–B
22
TX clock
TXC–A
5
TXC–B
23
RX data
RXD–A
6
RXD–B
24
Request to send/
RTS–CTS–A
7, 9
Clear to send (see note) RTS–CTS–B
25,
27
RX clock
RXC–A
8
RXC–B
26
RX octet
RXO–A
15
RXO–B
33
Note: RTS/CTS lines are looped together at the connector
2.2.3 V.35, RS-530 (J3)
The V.35 connection is a 25-pin D connector located at the front of the breakout panel.
Screw locks are provided for mechanical security of the mating connector.
V.35
RS-530
Signal Function
Name
Pin #
Name
Pin #
Ground GND
1,
7
GND
1,7
Send
data
SD–A 2
SD–A 2
SD–B 14
SD–B 14
Serial clock TX
SCT–A
15
ST-A
15
SCT–B
12
ST-B
12
Receive
data
RD–A 3
RD–A 3
RD–B 16
RD–B 16
Request to send
RTS
4
RS-A
RS-B
4
19
Serial clock RX
SCR–A
17
RT-A
17
SCR–B
9
RT-B
9
Clear to send
CTS
5
CS-A
CS-B
5
13
Data set ready
DSR
6
DM-A
DM-B
6
22
RX line signal detect
RLSD
8
RLSD-A
RLSD-B
8
10
External data clock
EXC–A
20
MC-A
20
EXC–B
23
MC-B
23
Serial clock TX external
SCTE–A
24
TT-A
24
SCTE–B
11
TT-B
11
Modulator
Fault MF 25
MF 25
Demodulator
Fault
DF 21
DF 21