Com Port Interface - Paradyne Compshere 3000 Series Installation Manual

COM Port Interface

The COM port connects to either a personal computer
(PC) or an async terminal and printer:
The PC connection uses the:
COM port-to-PC cable. This cable is a 14-foot,
26 AWG, 8-conductor cable with an 8-position
modular plug keyed connector and a DB9 socket
connector (see Figure B-4).
COM port connector with a plastic body adapter for
converting a DB25 interface to an 8-pin modular
jack (see Figures B-5 and B-6). This connector is
used in conjunction with the COM port adapter
cable.
8-Position
Modular
Plug Keyed
No
1
Connection
RX Data
2
Ground
3
TX Data 4
DTR 5
CD
6
RTS
7
No
8
Connection
Figure B-4. COM Port-to-PC Cable
3000-A2-GA31-D0
DB9
Socket
2 RX Data
5 Ground
3 TX Data
4 DTR
CD
1
CTS
8
DSR
6
7 RTS
496-14153-03
July 1999
T1 CSU and T1 DSU/CSU Interface Connectors
Plug
DB25 Type
Pin
Number
TX CLK
15
RX Data
3
Ground 7
TX Data 2
DTR 20
CD 8
RTS 4
RX CLK 17
Figure B-5. COM Port-to-PC Adapter
Carrier
Connection
PC Connection
COM Port
Adapter
Figure B-6. COM Port Adapter
8-Pin Keyed
Modular Jack
Pin
Number
1
2
3
4
5
6
7
8
496-14401-01
496-14418-01
B-5