Universal To Rs-449/V.36 Dce Cable - 3Com SuperStack II 32x Installation Manual

UNIVERSAL to RS-449/V.36 DCE Cable

To connect a SuperStack II bridge/router to a V.36 DCE device, cable the
UNIVERSAL connector using a V.36 adapter cable.
Figure 2-10 shows the pin assignments of the V.36 adapter cable.
When constructing your own V.36 adapter cables, the required cable
type is equivalent to Belden part number 9835. Cable length is limited
to CCITT standard V.11 Appendix I.2.
To UNIVERSAL port on bridge/router
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
37-pin female connector
Name
Shield
Send Data
Send Data
Receive Data
Receive Data
Incoming Call
Signal Ground
Clear to Send
Clear to Send
Request to Send
Request to Send
Data Mode
Data Mode
Terminal Ready
Terminal Ready
Receiver Ready
Receiver Ready
Receive Timing
Receive Timing
Terminal Timing
Terminal Timing
Send Timing
Send Timing
Send Common
Receive Common
Figure 2-10 UNIVERSAL to V.36 Adapter Cable
3Com does not sell this cable.
1 2 3
20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
Pin Pin
Abbr
1 1
Shield
4
4
SD (A)
22 22
SD (B)
6
6
RD (A)
24 24
RD (B)
15
15
IC
19 19
SG
9 9
CS (A)
27 27
CS (B)
7 7
EIA (A)
25
EIA (B) 25
11 11
DM (A)
29
29
DM (B)
12 12
TR (A)
30
30
TR (B)
13 13
RR (A)
31
31
RR (B)
8 8
RT (A)
26 26
RT (B)
17 17
TT (A)
35 35
TT (B)
5
ST (A) 5
23 23
ST (B)
37
37
SC
20 20
RC
Connectors and Cables
To DCE
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
37-pin female connector
Abbr Name
Shield Shield
SD (A) Send Data
SD (B) Send Data
RD (A) Receive Data
RD (B) Receive Data
IC Incoming Call
SG Signal Ground
CS (A) Clear to Send
CS (B) Clear to Send
EIA (A) Request to Send
EIA (B) Request to Send
DM (A) Data Mode
DM (B) Data Mode
TR (A) Terminal Ready
TR (B) Terminal Ready
RR (A) Receiver Ready
RR (B) Receiver Ready
RT (A) Receive Timing
RT (B) Receive Timing
TT (A) Terminal Timing
TT (B) Terminal Timing
ST (A) Send Timing
ST (B) Send Timing
SC Send Common
RC Receive Common
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