Telect DNI-3 Manuel utilisateur

Telect, Inc. • USA +1.509.926.6000 • Mexico +52.33.3836.37.52

Page 1

Digital Network Interface Panel:

64 Circuits (DNI-3)

User Manual

1.1 Overview: Digital Network Interface Panel

Telect’s DNI-3 is a multifunction support panel for DS3 telecommunications networks. It is an

accessible and centralized interconnect point between digital cross-connect systems (DCSs) and

central office network elements (NEs).

The DNI-3 panel serves as a platform for circuit configuration changes, maintenance activities,

and troubleshooting procedures. The DNI-3 becomes an extension of the DCS backplane that

provides complete circuit access, thus removing the risk of interrupting DCS operations.

1.1.1 Capabilities

• High circuit densities (up to 1280 coax cables per panel)

• Efficient circuit migration for system expansion

• Quick circuit patching, troubleshooting, and monitoring

• Compatability with all DS3, STS1, and STS3 signal types and system management software

1.1.2 Features

• Mini-WECO Twist Lok™ jacks (TLJs)

• Circuit designation labels

• Hinged designation holders

NE-2

NE-1

1234567891011121314151617181920212223242526272829303132

NE-2

NE-1

Figure 1 - DNI-3 Panel (64 Circuits)

Telect, Inc. • USA +1.509.926.6000 • Mexico +52.33.3836.37.52

Page 2

1.1.3 System-Level Applications

Figure 2 shows a DNI-3 within a typical telecommunications network.

1.1.4 Physical Specifications

H x W x D: 5.25 x 23.0 x 10.0 (inches); 13.3 x 58.4 x 25.4 (cm)

Weight: 30 lb (13.6 kg)

Digital Switch

1:0 DCS

ORBs

Channel Banks

Loop MUX

DNI-1 3:1

DCS DNI-3 FOTS

DS1 Cables DS1 Cables DS3 Cable

Figure 2 - DNI-3 in a Typical Telecom Network

NE-2

NE-1

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

NE-2

NE-1

Hinged Designation Holder

Circuit Designation Label FRONT PANEL

Mini-WECO Twist Lok Jacks

In Out Monitor

Network Element 1

Network Element 2

1234567891011121314151617181920212223242526272829303132

REAR PANEL

EIA/WECO

Mounting Spaces

BNC or TNC Termination Point Tie-Down Bar

Wire Management Tray

Figure 3 - Main Assemblies

Telect, Inc. • USA +1.509.926.6000 • Mexico +52.33.3836.37.52

Page 3

1.2 Inspection

Please read these instructions carefully before beginning installation. If you need assistance, call

Technical Support at 1-888-821-4856 (domestic calls), or 509-921-6161 (Option 2), or email us at

[email protected].

Inspect equipment after unpacking and compare it to the packing list.

Immediately report any shipping damage, defects, or missing parts to Telect at 1-800-551-4567.

Keep all documentation that comes with your shipment.

Telect is not liable for shipping damage. If the product is damaged, notify the carrier and call

Telect’s Customer Service Department at 1-800-551-4567 (domestic only) or 1-509-926-6000 for

further recourse.

NOTE: For service or warranty information, please visit the telect.com website, or email inquiries

to getinfo@Telect.com and click on the “Support” tab, or phone us at 800-551-4567 (domestic

only) or 509-926-6000.

1.3 Installation Considerations

1.3.1 Location and Space

The DNI-3 panel mounts flush into both unequal-flange and equal-flange (EIA or WECO) 23"

(58.4 cm) network bays. The primary limiting factor of a DNI-3 rack configuration is the number of

cables a network bay can accommodate. (The DNI can accommodate 1280 coax cables.)

NOTE: Telect recommends a maximum of 14 DNI-3 panels per bay, regardless of bay capacity,

for easy access and adequate room for cable routing.

Table 1 - DNI-3 Space Requirements

DCS

Terminations Panels Total

Cables Cable Space Needed

per Side of Bay (in.2)EIA Bay Spaces

Required

1–32 1 128 1.64 3

33–64 2 256 3.28 6

65–96 3 384 4.92 9

97–128 4 512 6.55 12

129–160 5 640 8.19 15

161–192 6 768 9.83 18

193–224 7 896 11.47 21

225–256 8 1024 13.11 24

257–288 9 1152 14.75 27

Telect, Inc. • USA +1.509.926.6000 • Mexico +52.33.3836.37.52

Page 4

In the above table, the first shaded row is the capacity for a 7-ft bay. The second shaded row is

the capacity for an 8-ft bay; the last shaded row is for an 11.5-ft bay.

289–320 10 1280 16.38 30

321–352 11 1408 18.02 33

353–384 12 1536 19.66 36

385–416 13 1664 21.30 39

417–448 14 1792 22.94 42

449–480 15 1920 24.58 45

481–512 16 2048 26.21 48

513–544 17 2176 27.85 51

545–576 18 2304 29.49 54

577–608 19 2432 31.13 57

609–640 20 2560 32.77 60

641–672 21 2688 34.41 63

673–704 22 2816 36.04 66

705–736 24 2944 37.68 69

737–768 24 3072 39.32 72

769–800 25 3200 40.96 75

Table 1 - DNI-3 Space Requirements

DCS

Terminations Panels Total

Cables Cable Space Needed

per Side of Bay (in.2)EIA Bay Spaces

Required

Telect, Inc. • USA +1.509.926.6000 • Mexico +52.33.3836.37.52

Page 5

1.3.1.1 Network Bay Extender Panel

Each network bay extender panel provides 81

square inches (522.5 square cm) of cable routing

space (enough for 1280 RG59 cables). The panel

comes with nine cable management brackets that

secure and channel the circuit cables. Telect

recommends two extender panels for each fully

provisioned DNI-3 network bay. This provides

adequate cable routing space for cables going to

and coming from the DNI-3 network bay.

1.3.2 Tools and Equipment

No special tools or equipment are required.

1.4 Installation Procedure

1. Align the DNI-3 chassis mounting holes with the

mounting holes of the network bay.

2. Insert four 24 x 1/2" mounting screws (two on

each side) into the mounting holes and securely

tighten them.

3. Route the DCS IN cables to one side of the net-

work bay. Tie-wrap the cables in place within

the extender panel cable management brackets.

4. Starting at the lowest DNI-3 panel and working upward, connect the DCS IN cables to the

NE-1 IN termination points on the rear of the DNI-3 panels.

5. Secure the DCS IN cables to the wire management tray via the tie-down slots.

6. Route the DCS OUT cables to the opposite side of the network bay. Tie-wrap the cables in

place within the extender panel cable management brackets.

7. Starting at the lowest DNI-3 panel and working upward, connect the DCS OUT cables to the

NE-1 OUT termination points on the rear of the DNI-3 panels.

8. Secure the DCS OUT cables to the wire management tray via the tie-down slots.

9. Route the NE IN cables to the same side of the network bay as the DCS IN cables. Tie-wrap

the cables in place within the extender panel cable management brackets.

10. Starting at the lowest DNI-3 panel and working upward, connect the NE IN cables to the NE-

2 IN termination points on the rear of the DNI-3 panels.

11. Secure the NE IN cables to the tie-down bar.

12. Route the NE OUT cables to the same side of the network bay as the DCS OUT cables. Tie-

wrap the cables in place within the extender panel cable management brackets.

Existing

Network

Bay

Extender

Panel

Figure 4 - Installing the DNI-3

Telect, Inc. • USA +1.509.926.6000 • Mexico +52.33.3836.37.52

Page 6

13. Starting at the lowest DNI-3 panel and working upward, connect the NE OUT cables to the

NE-2 OUT termination points on the rear of the DNI-3 panels.

14. Secure the NE OUT cables to the tie-down bar.

OUT

Tie-Down

Bar

Figure 5 - Securing the Cables

Telect, Inc. • USA +1.509.926.6000 • Mexico +52.33.3836.37.52

Page 7

1.5 Electrical Operation

1.5.1 Data Signals

The DCS circuit cables

terminate at the lower pair of

terminationpointsontherear

of the DNI-3 panel, labeled

NE-1. The OUT cable

connects to the upper NE-1

termination pont and the IN

cable connects to the lower

NE-1 termination point.

The NE circuit cables

terminate at the upper pair of

terminationpointsontherear

of the DNI-3 panel, labeled

NE-2. The OUT cable

connects to the upper NE-2

termination point and the IN

cable connects to the lower

NE-2 termination point.

Internally, the DCS circuits and the NE circuits are cross-connected.

Inserting a Mini-WECO patch cord into the upper monitor Twist Lok Jack (TLJ) on the front of the

DNI-3 panel accesses the NE circuit. Inserting a Mini-WECO patch cord into the lower monitor

TLJ on the front of the DNI-3 panel accesses the DCS circuit.

1.6 User Functions

1.6.1 In-Service Patching

To temporarily connect an NE or DCS circuit to an alternate DCS or NE circuit on the same

or a different DNI-3 panel or DSX without disrupting service, follow the steps below, using

the Twist Lok Jacks (TLJs) on the front of the appropriate DNI-3 panels and the following

additional equipment:

• Four Mini-WECO patch cords (Mini-WECO plug at each end)

• Two 75-ohm Mini-WECO terminating plugs

• One dual bridging office repeater (BOR), or two single BORs

1. Using one Mini-WECO patch cord:

a. Insert the plug of one end into BOR position 1, INPUT.

NE-2

NE-1

RearFront

NE-1

NE-2

R1 = 75Ω, ¼W

R2 = 768Ω, ¼W

Figure 6 - NE Circuit Cables

Telect, Inc. • USA +1.509.926.6000 • Mexico +52.33.3836.37.52

Page 8

b. Insert the plug of the other end to the monitor TLJ at the first location.

2. Using a second Mini-

WECO patch cord:

a. Insert the plug of one

end into BOR posi-

tion 1, OUTPUT.

b. Insert the plug of

the other end into

the IN TLJ at the

second location.

3. Using a third Mini-WECO

patch cord:

a. Insert the plug of one

end into BOR posi-

tion 2, INPUT.

b. Insert the plug of the

other end into the

monitor TLJ at the

second location.

4. Using a fourth Mini-

WECO patch cord:

a. Insert the plug of one

end into BOR position 2, OUTPUT.

b. Insert the plug of the other end into the IN TLJ at the first location.

5. Insert a Mini-WECO terminating plug into the OUT TLJ at the first location.

6. Insert a second Mini-WECO terminating plug into the OUT TLJ at the second location.

1.6.2 Out-Of-Service Patching

To temporarily connect an NE or DCS circuit to an alternate DCS or NE circuit on the same or a

different DNI-3 panel or DSX when service has been disrupted, follow the steps below, using the

TLJs on the front of the appropriate DNI-3 panels and two Mini-WECO patch cords (Mini-WECO

plug at each end).

1. Using one Mini-WECO patch cord:

a. Insert the plug of one end into the IN TLJ at the first location.

b. Insert the plug of the other end into the OUT TLJ at the second location.

2. Using a second Mini-WECO patch cord:

a. Insert the plug of one end into the OUT TLJ at the first location.

Output

Input

Pos 1

Output

Input

Pos 2

BOR

DNI-3s

1st

Location

2nd

Location

Figure 7 - Patching

Telect, Inc. • USA +1.509.926.6000 • Mexico +52.33.3836.37.52

Page 9

b. Insert the plug of the other end into the IN TLJ at the second location.

1.6.3 Looping

To temporarily loop an NE or DCS OUT port to its IN port, use the TLJs on the front of the DNI-3

panel and a Mini-WECO looping plug.

Insert the looping plug into both the IN and OUT TLJs on the front of the DNI-3 panel for looping

either the NE (NE-2) or the DCS (NE-1) circuit.

1.6.4 Monitoring

Use the TLJs on the front of the DNI-3 panel and the following additional equipment:

• Mini-WECO patch cord (Mini-WECO plug at each end)

•Testset

1. To monitor the NE circuit outputs, insert a Mini-WECO patch cord into the NE (upper) Monitor

TLJ.

To monitor the DCS circuit outputs, insert a Mini-WECO patch cord into the DCS (lower) Mon-

itor TLJ.

2. Connect the other end of the the patch cord to the test set to complete your connection and

perform monitoring.

Figure 8 - Inserting the Plug

Telect, Inc. • USA +1.509.926.6000 • Mexico +52.33.3836.37.52

Page 10

1.7 Service

CAUTION

CAUTION! Only qualified technicians may install and maintain this product.

1.7.1 Owner Maintenance

Telect’s DNI-3 does not need preventive maintenance. If problems occur after initial installation,

check all cable connections and the installation instructions in Section 2.

1.7.2 In-Warranty Service

Contact Telect's quality call center at 877-471-7245 or e-mail us at quality@telect.com. Telect will

ship a new replacement product, along with a return shipping label and authorization information.

When you receive your replacement product, pack up the defective product and return it to Telect

using the return label, box and any additional information provided.

1.7.3 Out-Of-Warranty Service

Follow the In-Warranty directions above. Telect charges a processing fee for out-of-warranty

service, and you must submit a Purchase Order along with a Return Material Authorization

(RMA) before returning equipment. The processing fee guarantees a repair estimate and is

credited against actual material and labor costs. Call Telect's quality call center at 877-471-7245

for more information.

1.7.4 Repacking for Shipment

1. Tag the equipment showing owner’s name, address, and telephone number, together with a

detailed description of the problem.

2. Use the original shipping container if possible. If you do not have it, package the equipment in

a way to prevent shipping damage. Include the RMA inside the container and legibly print the

RMA number on the outside of the package, near the shipping address.

3. Insure the package.

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