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Installing the gateway router
27
SmartNode 4650 Getting Started Guide
3 • SmartNode installation
Installing the WAN cable
The SmartNode 4650 Series is available with an option for one of the following WAN interfaces:
•
V.35 (DB-25)—See section
“Installing the V.35 interface cable”
on page 27 for details on installing the V.35
interface cable
•
X.21 (DB-15)—See section
“Installing the X.21 interface cable”
on page 28 for details on installing the
X.21 interface cable
•
DSL - See section
“Installing the DSL cable”
on page 29 for details on installing the DSL interface cable.
Installing the V.35 interface cable.
The SmartNode Model 4650 comes with an option for a V.35 interface
presented on a DB-25 female connector (see
figure 6
).
Figure 6. Rear view of the SN4650 showing location of V.35 interface connector
The signal pin-outs for the Model 4650 V.35 interface are shown in
table 5
.
Table 5. Signal pin-outs for the V.35 interface on the SmartNode 4650
Pin
Signal
Pin
Signal
1
Frame Ground
12
TXCb
2
TXDa
14
TXDb
3
RXDa
15
RXCa
4
RTS
16
RXDb
5
CTS
17
RXCa
6
DSR
18
LL
7
Signal Ground
20
DTR
8
DCD
21
RL
9
RXCb
24
EXTCa
11
EXTCb
ISDN S/T
BRI ports 0/0 – 0/4
Life-line
ports
Power
(12V DC, 1.25A)
SN4658
ACT
LINK
ACT
LINK
V.35 serial port connector
12V, 1.25A
+
-
12V
, 1.25A
–
+