11
TxC (A)
OUT
TX CLK – A wire
12 N
/
A
-
Not
Connected
13
DCE_TxC (B)
IN
TX CLK from DCE – B wire
14
DCE_TxC (A)
IN
TX CLK from DCE – A wire
15 TM
OUT Test
mode
16 N
/
A
-
Not
Connected
17
DTR
IN
Data transfer request
18 RTS
IN Request
to
send
19
RLB
IN
Remote loopbak
20 LLB
IN Local
loopbak
21 N
/
A
-
Not
Connected
22
ETC (B)
IN
External CLK – B wire
23
ETC (A)
IN
External CLK – A wire
24
ID (3)
IN
Cable ID code bit 3
25
ID (2)
IN
Cable ID code bit 2
26
DSR (B)
OUT
Data set ready – B wire
27
DSR (A)
OUT
Data set ready – A wire
28
CTS (B)
OUT
Clear to send – B wire
29
CTS (A)
OUT
Clear to send – A wire
30
DCD (B)
OUT
Carrier detect – B wire
31
DCD (A)
OUT
Carrier detect – A wire
32
ID (1)
IN
Cable ID code bit 1
33
ID (0)
IN
Cable ID code bit 0
34 SG
-
Signal
ground
35 N
/
A
-
Not
Connected
36 N
/
A
-
Not
Connected
37 N
/
A
-
Not
Connected
38
DSR
OUT
Data set ready
39
CTS
OUT
Clear to send
40 DCD
OUT Carrier
detect
41
DTR (B)
IN
Data transfer request – wire B
42
DTR (A)
IN
Data transfer request – wire A
43 N
/
A
-
Not
Connected
44 N
/
A
-
Not
Connected
45
RTS (B)
IN
Request to send – wire B
46
RTS (A)
IN
Request to send – wire A
47 N
/
A
-
Not
Connected
48
TxD (B)
IN
TX data – wire B
A-2
