Specifications

Installation and Operation Manual Appendix A Connection Data
FCD-E1LC Ver. 1.0 Data Channel Connection Data A-13
DCE Mode
This mode is used to connect to user’s equipment with V.36/RS-449 DTE
interface. The V.36/RS-449 cable coming from the user’s equipment is connected
to the FCD-E1LC CHANNEL connector through an adapter cable. The adapter cable
(see
Figure A-8 ) is terminated in a 25-pin male D-type connector at the FCD-E1LC
side, and a 37-pin female connector at the user’s side. A suitable cable,
designated CBL-HS2R1, is available from RAD.
Cable wiring is given in
Table A-10 .
Figure A-8. V.36/RS-449 Adapter Cable for DCE Mode
Table A-10. Wiring of V.36/RS-449 Adapter Cable for DCE Mode
FCD-E1LC Side Designation Function User’s Side
1 FG Frame Ground 1
2 SDA Send Data (wire A) 4
3 RDA Receive Data (wire A) 6
4 RTSA RTS (wire A) 7
5 CTSA CTS (wire A) 9
6 DSRA DSR (wire A) 11
7 SG Signal Ground 19
8 DCDA DCD (wire A) 13
9 RCB Receive Clock (wire B) 26
10 DCDB DCD (wire B) 31
11 SCEB External Send Clock (wire B) 35
12 SCB Send Clock (wire B) 23
13 CTSB CTS (wire B) 27
14 SDB Send Data (wire B) 22
15 SCA Send Clock (wire A) 5
16 RDB Receive Data (wire B) 24
17 RCA Receive Clock (wire A) 8
18 – Not connected –
19 RTSB RTS (wire B) 25
20 RCEA External Receive Clock (wire A)