1024 Chassis
Configuration Guide
45-00123
3.0
The Verilink 1024 chassis is designed to hold from
one to twenty-fou r modules.
The front view figure shows the chassis with brackets for a 19-inch rack. The rear panel NMS and power connections are described on the reverse side.
Each module inte rf ac es the c ha ssis bac kpl ane b oar d
through two card connectors. With these connectors,
each module receives a −48 VDC power source and
exchanges control signals with the rear panel chassis
connectors. The chas sis cont ains no ac tive components.
Rack mounting bracket s are reversible for sta ndard
19- and 23-inch racks. To install the chassis in a
rack, insert two screws through both the left and the
right mounting b rackets. Please note: In order to
meet GR-1089 grounding requirements, the chassis
must be installed using t hread-forming screws with
external tooth lock washers.
CHASSIS
TRANSPORT
1024
Specifications
Dimensions: 17.2" W, 7" H, 10.5" D,
Weight: 9.5 pounds
Operating Temp: 0° to 50° C (32° to 122°F)
Storage Temp: − 20° to 85° C (−4° to 185°F)
Humidity: 95% max (non-condensing )
Caution: The 3002 is designed for convection cooling. Mount the 1024 with a top and
bottom clearance of at least 1¾ inches.
Verilink 1024 Chassis Front View
Industry Listings
FCC Compliance: Part 15 Class A
Subpart B
U.S. Safety: UL 1950 3rd Edition
Canadian Safety: CSA C22.2 No. 950-95
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NOTICE:
If your Verilink 1024 Chassis has a top assembly number of F-1024-000--120,
metal dividers are installed in slots 5, 10, 15 and 20. Removal of these dividers
voids NEBS compliance!
NMS Connections
The NMS ports are used to connect the chassis into
the Verilink EM8100A element mana ger. Within
the chassis, each unit is ph ysic ally co nnecte d to the
next unit in a daisy-chain fashion. Two 6-pin modular connectors are provided for bot h the A side
and the B side.
Each unit in the NMS chain must have a unique address. All units in the chain must use the same
NMS bit rate.
Pin NMS In (P5) NMS Out (P4)
1 Not Used Not Used
2 Signa l Gnd Signal Gnd
3 Data Out Data Out
4 Data In Not Used
5 Signa l Gnd Signal Gnd
6 Not Used Not Used
Power Connections
The chassis is designed with two power buses connected to TB1 (te rminal block 1). The A bus feeds
the slots 1 through 12 . The B bus feeds slots 13
through 24. Connect a Frame Gr ound lea d (18- to
20 - gaug e wire) to pin 2 before applying power to
the unit. Connect the other end of this lead to an appropriate frame ground .
NOTE: The maximum current draw of a
fully loaded chassis i s 4 amperes. The
Verilink 1042 power shelf can su pply a ma ximum of 4 amperes (refer to the c onfiguration guide for specifications). Ensure that
the proper fuse size is used.
OUTPUT INPUT
Verilink 1024 Chassis Rear View
+48VDC IN A
CHASSIS GND
-48VDC IN A
-48VDC IN B
SIGNAL GND
+48VDC IN B
TB1
OUTPUT INPUT
+48VDC IN A
CHASSIS GND
-48VDC IN A
-48VDC IN B
SIGNAL GND
+48VDC IN B
TB1
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145 Baytech Drive
San Jose, California 95134
127 Jetplex Circle
Madison, Alabama 35758
(800) 837-4546
www.verilink.com
FAX-On-Demand
(800) 957-5465
Technical Assistance Center
(800) 285-2755
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