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Appendix A
Connector Wiring
Installation and Operation Manual
IPmux-2L Side
Designation
Function
User’s Side
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)
21
–
Not connected
–
22
DSRB
DSR (wire B)
29
23
RCEB
External Receive Clock (wire B)
–
24
SCEA
External Send Clock (wire A)
17
25
–
Not connected
–
DTE1 Mode
This mode is used to connect to user’s equipment with V.36/RS-449 DCE
interface that can accept, as its external clock, the receive clock signal provided
by the
IPmux-2L data channel.
The V.36/RS-449 cable coming from the user’s equipment is connected to the
IPmux-2L channel connector through an adapter cable. The adapter cable
(see Figure A-7) is terminated in a 25-pin male D-type connector at the IPmux-2L
side, and a 37-pin female connector at the user’s side. A suitable cable,
designated CBL-HS2R2, is available from RAD. Cable wiring is given in Table A-11.
Table A-11. Wiring of V.36/RS-449 Adapter Cable for DTE1 Mode
A-12
IPmux-2L Side
Designation
Function
User’s Side
1
FG
Frame Ground
1
2
SDA
Send Data (wire A)
6
3
RDA
Receive Data (wire A)
4
4
RTSA
RTS (wire A)
13
5
CTSA
CTS (wire A)
–
Serial Data Interface Connectors
IPmux-2L Ver. 1.0