Telos Zephyr Xstream - Manual (Page 41)

USER’S MANUAL
Section 3: GUIDED TOUR of the HARDWARE 29
CABLE PIN OUT 9-PIN
Computer (DTE) Description Direction Telos Xstream
1 *Data Carrier Detect (DCD) 3 1#
2 Receive Data (RD) 3 2
3 Transmit Data (TD) 4 3
4 Data Terminal Ready (DTR) 4 Not used
5 Signal Ground (SG) 5
6 *Data Set Ready (DSR) 3 6#
7 Request to Send (RTS) 4 Not used
8 *Clear to Send (CTS) 3 8#
9 Ring Indicator (RI) 3 Not present
*Optional connection, may not be required
# This signal present on motherboards Rev "G" and later.
CABLE PIN OUT 25-PIN
Computer (DTE) Description Direction Telos Xstream
2 Transmit Data (TD) 4 3
3 Receive Data (RD) 3 2
4 Request to Send (RTS) 4 Not used
5 *Clear to Send (CTS) 3 8#
6 *Data Set Ready (DSR) 3 6#
7 Signal Ground (SG) 5
8 *Data Carrier Detect (DCD) 3 1#
20 Data Terminal Ready (DTR) 4 Not used
22 Ring Indicator (RI) 3 Not present
*Optional connection, may not be required
# This signal present on motherboards Rev "G" (-07) and later.
If you need to connect your Xstream to a modem, use a "null modem" adapter such as Radio
Shack #26‐1496 (25 pin to 25 pin) or #26‐264 (9 pin to 9 pin).
?
CURIOSITY NOTE!
The DB- designation for D-Sub connectors is from Cinch Corp’s part numbering system. The
proper Cinch designation for a 9-pin D-Sub connector is a DE-9p (plug) or DE-9s (socket) not
DB-9!
Other Cinch designations for D-Sub connectors are; DA-15, DB-25, DC-37 and DD-50.
Our thanks going out to Mike Schweizer, for contributing this information.