Nortel Secure 4134 Installation Manual page 28

28 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
Serial
Table 7
Maximum DTE cable lengths
DTE data rate
(kbps)
56 or 64
224 or 256
896 or 1024
N/A - not applicable (these rates cannot be used for RS-232C interface)
Copyright © 2007, Nortel Networks
.
Connector Recommended
cable type
Smart Serial V.35: Up to 11
26-pin 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
Maximum DTE cable lengths
V.35
RS-232C
10 ft (3.05 m) 4000 ft (1219.2
m)
N/A 3500 ft (1066.8
m)
N/A 1700 ft (518.16
m)
Nortel Secure Router 4134
Installation — Hardware Components
NN47263-301 01.02 Standard
10.0 7 August 2007
Minimum Cable length
cable length
summary
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
RS449/422 RS530/422
4000 ft (1219.2 4000 ft (1219.2
m) m)
1700 ft (518.16 1700 ft (518.16
m) m)
350 ft (106.68 m) 350 ft (106.68 m)