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Nortel Secure Router 8012
Hardware Description
B-8
Nortel Networks Inc.
Issue 5.3 (6 April 2009)
Description Attribute
4/8E1 4/8/16CE1 4/8CT1 16CT1
Interface
standard
ITU-T G.703 and ITU-T G.704
Supported
network
protocol
IP
Other
supported
protocols
PPP, LAPB, X.25, Frame Relay, HDLC, and MP (16CE1/16CT1
supports PPP, HDLC, and MP.)
When the router works in CT1 mode, the default setting is binding time slots as N x 56 kbit/s (N = 1 to
24).
B.7 Channelized E3 interface modules
Table B-13 lists the attributes of the channelized E3 interface module.
Table B-13 Attributes of the channelized E3 interface module
Description Attribute
1CE3
Connector type SMB
Cable type 75-ohm coaxial cable
Operating mode E3, CE3, and CE1
Interface rate E3 mode: 34.368 Mbit/s
CE3 mode: providing 16 E1 channels with a rate of 2.048
Mbit/s per E1 channel
CE1 mode: N x 64 kbit/s (N = 1 to 31)
Max. transmit distance 0.1 km
Interface standard ITU-T G.703 and G.704
Supported network
protocol
IP
Other supported protocols PPP, MP, Frame Relay, MFR, and HDLC
B.8 Synchronous serial port module
Table B-14 lists the attributes of the synchronous serial port.