Specifications

Chapter 3: Connecting Stage 48 9
Chapter 3: Connecting Stage 48
This section describes how to connect and power up the com-
ponents of your system, and how to confirm your system’s
available Stage I/O.
Setting the Device ID
Before connecting and powering up your system, you must set
your the device ID of any Stage 48 units you will be connecting
to SC48.
To set the Stage 48 device ID:
1 On the first Stage 48, using a small flathead screwdriver set
the ID switch to position 1.
2 On the second Stage 48, using a small flathead screwdriver
set the ID Switch to position 2.
Connecting and Powering Up
Primary and redundant snake connections are made using
Ethernet cables.
To make snake connections and power up your system:
1 For the first Stage 48, do the following:
• For the primary snake connection, connect an Ethernet
cable from the Stage 1 A port on the Ethernet Snake card
in SC48 to the port A on Stage 48.
• To make an optional redundant connection, connect an
Ethernet cable from the Stage 1 B port on the Ethernet
Snake card in SC48 to the port B on Stage 48.
2 To connect a second Stage 48, do the following:
• For the primary snake connect an Ethernet cable from the
Stage 2 A port on the Ethernet Snake card in SC48 to the
port A on Stage 48.
• For the redundant snake connect a cable from the Stage 2
B port on the Ethernet Snake card in SC48 to port B on
Stage 48.
Stage 48 ID switch set to position 1 (left) and 2 (right)
ID
4
3
2
1
0
7
6
5
ID
4
3
2
1
0
7
6
5
Do not power up SC48 or any Stage 48 units before making
Ethernet snake connections. After connecting the snakes, it
is important to follow the proper power up sequence.
Figure 4. Connecting Stage 48 primary and redundant snake connections
3
2
1
0
7
6
5
4
Ethernet
Snake
3
2
1
0
7
6
5
4
Stage 48 (1)
Stage 48 (2)
Primary snake
Redundant snake
Primary snake
ID switch set to position 1
ID switch set to position 2
Redundant
SC48
snake