Fluke Hydra Series II User Manual page 247

HYDRA
1
Rx 2
Tx 3
DTR 4
GND 5
DSR 6
RTS 7
CTS 8
9
RS-232C DB-9
PINS
FEMALE
MALE
Figure D-4. Hydra Series II (DB-9 to Modem (DB-25) RS-232 Connection
RS41 CABLE
(OR EQUAL)
KEY
Tx – TRANSMIT
Rx – RECEIVE
RTS – REQUEST TO SEND
CTS – CLEAR TO SEND
DSR – DATA SET READY
GND – GROUND
DCD – DATA CARRIER DETECT
DTR – DATA TERMINAL READY
RI – RING INDICATOR
Appendices
RS-232 Cabling
MODEM
1
2
Tx
3
Rx
4
RTS
5
CTS
6
DSR
7
GND
8
DCD
9
10
11
12
13
14
15
16
17
18
19
20
DTR
21
22
RI
23
24
25
DB-25
op75f.eps
D
D-5