Nortel Secure Router 4134 Installation Manual page 27

Figure 9
2-port Serial Small Module
You configure each serial port using the Command Line Interface (CLI).
The Secure Router 2330/4134 detects any configuration mismatch with
connected cables and signals an error with a red LED.
Table 6
Cable and connectors
Port Connector
Serial Smart Serial
26-pin
Interface modules for the Secure Router 2330/4134 27
Recommended
cable type
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
Nortel Secure Router 2330/4134
Installation — Hardware Components
NN47263-301 03.01 7 September 2009
Copyright © 2007-2008 Nortel Networks. All Rights Reserved.
Minimum Cable length
cable length
summary
None V.35, X.21,
RS-449/V.11,
EIA-530/A: Up
to 1000 m (3 280
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