Verilink AS2000: The Basics (880-502981-001) Product Manual - Manual (Page 52)

Hardware Installation
4-6 Verilink Access System 2000: The Basics
DC Power Connections
Use the following procedures to connect the DC power to the Multi-
line, Quint-line, and Dual-line shelves.
Multi-line DC
Power
Connections
When powering Multi-line shelves from a 48V battery, use two
separate fuse panels or a fuse panel with redundant (A and B) fuse
positions.
1. Using a cross-tip screwdriver, remove the protective cover
screws to expose terminal block TB1. If a conduit is not used,
go to Step 5. See
Figure 4-5 .
2. Remove the conduit knockout block under the shelf.
3. Install the appropriate bushings and conduit fittings to
prevent wire chafing.
4. Position the wires through the conduit into the wiring box.
Figure 4-5 Multi-line Shelf DC Power Terminal Block 1
5. Connect terminal block TB1 on each Multi-line shelf to the fuse
panel by inserting each wire into the appropriate terminal. See
Figure 4-6 . Torque connector-wire-set screws to 4.5 to 8.0 inch
lb (0.5 Nm to 0.9 Nm).
Signal Ground
12 RTN
CGND
CGND
GND
GND
GND
48 RTN B
48 RTN A
48 B
48 B
48 A
48 A
48 Volt Return B
48 Volt Return A
48 Volt B
48 Volt B
48 Volt A
48 Volt A
12 Volt Return
Chassis Ground
Chassis Ground
Signal Ground
Signal Ground
Tie Signal and
Chassis GND
together for single
installations.
12RTN
CGND
CGND
GND
GND
GND
-48RTNB
-48VB
-48VB
-48RTNA
-48VA
-48VA