Nortel Networks 4500 Series - Manual (Page 37)

T1 SFP specifications 37
Table 6
Fast Ethernet to T1 remote bridge specifications
Parameter Specifications
Maximum power consumption 1 W
Dimensions Height: 13.8 mm (0.54 in) Width: 15.8 mm (0.62
in) Depth: 75.9 mm (2.99 in)
Standards Compliant with G.703, G.775, G.823, T1.403,
IEEE 802.3
Connectors RJ-48C
Cabling CAT5 with RJ-48C pin connection
Distance Up to 2874 m over 22 AWG cable. The distance
may be reduced when common 24 AWG UTP
CAT5/5E cable is used.
Line code Binary 8 Zero Substitution (B8ZS) or Alternate
Mark Inversion (AMI)
The T1 SFP uses an RJ-48C connector (see the following figure), which is
similar to an RJ-45 connection, but with different pinouts.
The following table describes the RJ-48C pinouts.
Table 7
RJ-48C pinouts
Pin Description
1 Receive ring
2 Receive tip
3 Receive shield
4 Transmit ring
5 Transmit tip
6 Transmit shield
7 Not used
8 Not used
Nortel Ethernet Routing Switch 4500 Series
Installation — SFPs and XFPs
NN47205-301 02.01
20 October 2008
Copyright © 2007-2008 Nortel Networks
.