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Nortel Secure Router 8012
Hardware Description B List of boards
Issue 5.3 (6 April 2009)
Nortel Networks Inc.
B-7
Attributes Description
Optical fiber type Multimo
de
Single-m
ode
Single-m
ode
Single-m
ode
Single-
mode
Single-m
ode
Connector type LC
Table B-11 Attributes of SFP module of 1000Base-X Ethernet electrical interface
Item Description
Transmission
distance
100 m
Duplex Full-duplex
Connector type RJ-45
Rate 1000 Mbit/s
B.6 Channelized and unchannelized E1/T1 interface
module
Table B-12 lists the attributes of the channelized and unchannelized E1/T1 Interface.
Table B-12 Attributes of channelized and unchannelized E1/T1 interface
Description Attribute
4/8E1 4/8/16CE1 4/8CT1 16CT1
Connector type
z
DB-68 (4/8E1,4/8CE1 and 4/8CT1)
z
DB-78 (16CE1 and 16CT1)
Operating
mode
E1 E1 and CE1 T1 and CT1
Transmission
rate
z
In E1 mode: 2048 kbit/s
z
In CE1 mode: N x 64 kbit/s (N = 1
to 31)
z
In T1 mode: 1544 kbit/s
z
In CT1 mode: N x 56 kbit/s and
N x 64 kbit/s (N = 1 to 24)
Cable model 75 coaxial cable
120 Ωshielded twisted pair cable
120 shielded twisted pair cable
Maximum
transmission
distance
75Ω coaxial cable: 0.5 km
120Ω shielded twisted pair cable
0.15 km
0.15 km