Installation guide

1-6 Chapter 1: Installation
SP201-SA™ Customization and Maintenance Guide
Table 1-1, describing the ports on the SP201-SA models, reflects the
following port correspondence:
• Port 1 of the two-port SP201-SA corresponds to port 1 of the four-port
SP201-SA.
• Port 2 of the two-port SP201-SA corresponds to port 3 of the four-port
SP201-SA.
Table 1-1. SP201-SA Port Interfaces
Two-Port SP201-SA Four-Port SP201-SA
Port Description Port Description
1 Choice of:
• One RJ-48C connector for a
T1 100-ohm balanced trunk
or an E1 120-ohm balanced
trunk
• Two BNC ports for E1
75-ohm unbalanced
Receive and Transmit
connections
1
1 Choice of:
• One RJ-48C connector, for a
T1 100-ohm balanced trunk
or an E1 120-ohm balanced
trunk
• Two BNC ports for E1
75-ohm unbalanced
Receive and Transmit
connections
1
2 One RJ-48C connector for a T1
100-ohm balanced trunk or
for an E1 120-ohm balanced
trunk
2 One RJ-48C connector for a T1
100-ohm balanced trunk or
for an E1 120-ohm balanced
trunk
3 Choice of:
• One RJ-48C connector, for a
T1 100-ohm balanced trunk
or an E1 120-ohm balanced
trunk
• Two BNC ports for E1
75-ohm unbalanced
Receive and Transmit
connections
1
4 One RJ-48C connector for a T1
100-ohm balanced trunk or
for an E1 120-ohm balanced
trunk
1. Each BNC port has two connectors: one for Receive and one for Transmit.