Extended interface card installation
Now,
we supplies only one extended interface card:8-port
async card (EIC-8ASY).The width of the product bus
is 16~32bit and the number of and the rate of the port supported are
improved comparing to the common serial interface card.
The introduction to the serial interface refers to “Serial Interface Card Installation”.
8-port async card can be used in any slots of 1750/2620/2621 routers, in slot1/slot3 of 2630router, in slot1/slot4 of 2650 router.
The performance table of 8-port async card:
performance
of the interface |
async |
tei-in |
68pin2 high-density DB68 with drop
and insert |
cable |
DB68
eight-in-one cable |
interface
standard |
V.28 |
max
baud rate(bps) |
115.2K |
protocol
supported |
PPP、SLIP |
8-port
async card uses 68-pin
socket DB68.DB68
interface support 8 serial port.
Serial port DB68 pin is as the following:
number |
name |
english
name |
note |
1 |
first
group data line preparing |
DSR0 |
DTE
← DCE |
2 |
first
group require to send |
RTS0 |
DTE
→ DCE |
3 |
first
group data send |
TXD0 |
DTE
→ DCE |
4 |
signal
ground |
GND |
DTE
&DCE ,PSG |
5 |
first
group carrier wave test |
DCD0 |
DTE
← DCE |
6 |
second
group require to send |
RTS1 |
DTE
→ DCE |
7 |
second
group data send |
TXD1 |
DTE
→ DCE |
8 |
second
group data line preparing |
DSR1 |
DTE
← DCE |
9 |
second group carrier wave test |
DCD1 |
DTE
← DCE |
10 |
third
group require to send |
RTS2 |
DTE
→ DCE |
11 |
third
group data send |
TXD2 |
DTE
→ DCE |
12 |
third
group data line preparing |
DSR2 |
DTE
← DCE |
13 |
third
group carrier wave test |
DCD2 |
DTE
← DCE |
14 |
forth
group require to send |
RTS3 |
DTE
→ DCE |
15 |
forth
group data send |
TXD3 |
DTE
→ DCE |
16 |
forth
group data line preparing |
DSR3 |
DTE
← DCE |
17 |
forth
group carrier wave test |
DCD3 |
DTE
← DCE |
18 |
fifth
group require to send |
RTS4 |
DTE
→ DCE |
19 |
fifth
group data send |
TXD4 |
DTE
→ DCE |
20 |
fifth
group data line preparing |
DSR4 |
DTE
← DCE |
21 |
fifth
group carrier wave test |
DCD4 |
DTE
← DCE |
22 |
sixth
group require to send |
RTS5 |
DTE
→ DCE |
23 |
sixth
group data send |
TXD5 |
DTE
→ DCE |
24 |
sixth
group data line preparing |
DSR5 |
DTE
← DCE |
25 |
sixth
group carrier wave test |
DCD5 |
DTE
← DCE |
26 |
seventh
group require to send |
RTS6 |
DTE
→ DCE |
27 |
seventh
group data send |
TXD6 |
DTE
→ DCE |
28 |
seventh
group require to send |
DSR6 |
DTE
← DCE |
29 |
seventh
group carrier wave test |
DCD6 |
DTE
← DCE |
30 |
eighth
group require to send |
RTS7 |
DTE
→ DCE |
31 |
eighth
group data send |
TXD7 |
DTE
→ DCE |
32 |
SG |
GND |
DTE
&DCE ,PSG |
33 |
eighth
group require to send |
DCD7 |
DTE
← DCE |
34 |
eighth
group carrier wave test |
DSR7 |
DTE
← DCE |
35 |
SG |
GND |
DTE
&DCE ,PSG |
36 |
first
group terminal preparing |
DTR0 |
DTE
→ DCE |
37 |
SG |
GND |
DTE
&DCE ,PSG |
38 |
first
group data accepting |
RXD0 |
DTE
← DCE |
39 |
first
group permit to send |
CTS0 |
DTE
← DCE |
40 |
second
data terminal preparing |
DTR1 |
DTE
→ DCE |
41 |
SG |
GND |
DTE
&DCE ,PSG |
42 |
second
group data accepting |
RXD1 |
DTE
← DCE |
43 |
second
group permit to send |
CTS1 |
DTE
← DCE |
44 |
third
data terminal preparing |
DTR2 |
DTE
→ DCE |
45 |
SG |
GND |
DTE
&DCE ,PSG |
46 |
third
group data accepting |
RXD2 |
DTE
← DCE |
47 |
third
group permit to send |
CTS2 |
DTE
← DCE |
48 |
forth
data terminal preparing |
DTR3 |
DTE
→ DCE |
49 |
SG |
GND |
DTE
&DCE ,PSG |
50 |
forth
group data accepting |
RXD3 |
DTE
← DCE |
51 |
forth
group permit to send |
CTS3 |
DTE
← DCE |
52 |
fifth
data terminal preparing |
DTR4 |
DTE
→ DCE |
53 |
SG |
GND |
DTE
&DCE ,PSG |
54 |
fifth
group data accepting |
RXD4 |
DTE
← DCE |
55 |
fifth
group permit to send |
CTS4 |
DTE
← DCE |
56 |
sixth
data terminal preparing |
DTR5 |
DTE
→ DCE |
57 |
SG |
GND |
DTE
&DCE ,PSG |
58 |
sixth
group data accepting |
RXD5 |
DTE
← DCE |
59 |
sixth
group permit to send |
CTS5 |
DTE
← DCE |
60 |
seventh
data terminal preparing |
DTR6 |
DTE
→ DCE |
61 |
SG |
GND |
DTE
&DCE ,PSG |
62 |
seventh
group data accepting |
RXD6 |
DTE
← DCE |
63 |
seventh
group permit to send |
CTS6 |
DTE
← DCE |
64 |
eighth
data terminal preparing |
DTR7 |
DTE
→ DCE |
65 |
SG |
GND |
DTE
&DCE ,PSG |
66 |
eighth
group data accepting |
RXD7 |
DTE
←
DCE |
67 |
eighth
group permit to send |
CTS7 |
DTE
←
DCE |
68 |
SG |
GND |
DTE
&DCE ,PSG |
Async
serial interface cable&the connecting to the external equipment
The
eight-in-one cable RLA0008 used to connect DB68
async serial port and external equipment is showed in the following picture:
The connecting picture of async serial network interface card and async equipment:
The internal connecting picture of eight-in-one RJ45 with the number RLA4508: