Nortel 4134 安装指导

Nortel Secure Router 4134 hardware components fundamentals

You configure each serial port using the Command Line Interface (CLI). The
Secure Router 4134 detects any configuration mismatch with connected
cables and signals an error with a red LED.

Table 6
Cable and connectors

Port

Connector

Recommended
cable type

Minimum
cable length

Cable length
summary

Serial

Smart Serial
26-pin

V.35: Up to 11
twisted pairs
plus grounds to a
34-pin MRAC-34
connector
X.21: Up to 7
twisted pairs
plus ground to a
DB-15 connector
RS-232/V .28:
Up to 11 signals
plus ground to a
DB-25 connector
RS-449/V .11:
Up to 11 twisted
pairs plus ground
to a DB-37
connector
EIA-530/A: Up to
11 twisted pairs
plus ground to a
DB-25 connector

None

V.35, X.21,
RS-449/V.11,
EIA-530/A: Up to
1000 m (3280 ft)
at 100 Kbps, 100
m (328 ft) at 2
Mbps
RS-232/V.28:
Up to 100 m (328
ft) at 9600 bps,
10 m (33 ft) at
100 Kbps

Table 7
Maximum DTE cable lengths

DTE data rate
(kbps)

Maximum DTE cable lengths

RS-232C

V.35

RS449/422

RS530/422

56 or 64

10 ft (3.05 m)

4000 ft (1219.2
m)

224 or 256

N/A

3500 ft (1066.8
m)

1700 ft (518.16
m)

896 or 1024

N/A

1700 ft (518.16
m)

350 ft (106.68 m)

N/A - not applicable (these rates cannot be used for RS-232C interface)

Nortel Secure Router 4134

Installation — Hardware Components

NN47263-301

01.02

Standard

10.0

7 August 2007