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Refer to Z-IDC Reference Manual, 201-205-001, for additional information. CommScope
Z
-IDC Interconnect System
201-205-001-17
Instruction Sheet
Over-Current Only Single-Pair
Issue 3, February 2004

Protector Unit Installation
Material ID 847 993 573

©
2007 CommScope, Inc.
Page 1
Refer to Z-IDC Reference Manual, 201-205-001, for additional information.
Refer to Z-IDC Reference Manual, 201-205-002, for additional information.

General
This instruction sheet provides the description and installation procedures for the Z-IDC Over Current
Only single-pair protector unit. The unit is orange and black in color.
Warning: Over-Current Only Single Pair Protector does not provide over-voltage
protection. Over-Voltage Cartridge Protector must be installed on the customer
side of the Over-current Only Protector for voltage protection.

Verify parts according to the Parts List. Report any damaged or missing parts to your local CommScope
representative.
NOTE:
Nine digit Material ID ordering numbers do not contain spaces. They are included here
for ease of reading.
How to Contact Us To find out more about Carrier Apparatus products, visit us on the web at:
http://cw.commscope.com/
For technical assistance regarding Carrier Apparatus products: contact your local CommScope
account representative or Commscope technical support at 1-800-344-0223. Report any missing or damaged parts to CommScope customer service in Omaha, Nebraska, at
1-866-539-2795.
Install the required Over-Voltage Cartridge Protector Unit
If using a hinged type connecting block mounting bracket on the line (vertical) side of the frame, install the
Voltage Only Cartridge Protector on the rear (gray) of the connector module.
If using a fixed type connecting block mounting bracket on the line (vertical) side of the frame, install the
Voltage Only Cartridge Protector on the front (white) side of the connector module.
Install Over-Current Only Single Pair Protector Unit
If using a hinged type connecting block mounting bracket on the exchange (horizontal) side of the frame,
install the Earth (ground) Bar and Over-Current Only Single-Pair Protector on the rear (white) of the
connector module.
If using a fixed type connecting block mounting bracket on the exchange (horizontal) side of the frame,
install the Earth (ground) Bar and Over-Current Only Single-Pair Protector on the front (gray) side of the
connector module.
Install Earth (Ground) Bar on Connector Module

1. Determine whether protectors are to be installed on the front side or the rear side of the Connector
Module.

All Rights Reserved
5 Pages
Printed

in U.S.A.
Material ID 847 993 573
Instruction Sheet
2. Connector Module must first be installed on mounting bracket.
3. Engage earth (ground) bar contacts around mounting bracket tabs.
4. Insert earth (ground) bar tabs into Connector Module cap slots.
5. Press earth (ground) bar firmly to seat against Connector Module cap. (Use blunt-end pliers or
similar tool.)
Note:
If using a hinged mounting bracket with rear mounted protector the Earth (ground) Bar is mounted
on the rear of the connector module and engages the connector module mounting tabs from the
inside rear of the mounting bracket.
Ground Bar Contact
Ground Bar
Ground
Bar Tab
Gray Plastic Cap
White Plastic Cap
Connector
Module
Cap Slot
Mounting
Bracket
Tab
Tab in Slot
Ground
Bar
Contact
3
4
4
5
3
3

Figure 1. Installing Earth (ground) Bar

Install Protector Unit on Connector Module
1. Fully seat protector unit against module cap.
2. Click protector unit onto earth (ground) bar detent.
Page 2
5 Pages

Material ID 847 993 573


Issue 3, February 2004
Protector Unit
Module Cap
Earth (Ground) Bar
1
2
2
Tpa848761-62


Figure 2. Front View of Module with Protector front mounted on Horizontal Side of Frame

Protector Unit
Alternate Position Used
with Hinged Type
Mounting Bracket
Rear
Earth (Ground) Ba
Figure 3. Top View of Module with Protector on Horizontal Side of Frame
Position Used with
Fixed Type Mounting
Bracket
Protector Handle
Module Cap
Front
r
2
2
1
1
3.CDR

847_993_573CS 17 fig


Page 3


5 Pages
Material ID 847 993 573
Instruction Sheet
Tpa848761-61
Earth (ground) Bar
Black Side of
Housing
Rear
Front
Over Current Only
Single-Pair Protector
(Orange)

Figure 4. Current Limiting Only Single-Pair Protector Front Mounted on Exchange Side of MDF
When Using Fixed Type Connecting Block Mounting Brackets
tpa848761-60
Rear
Front
Earth (ground) Bar
Over Current Only
Single-Pair Protector
(Orange)
Black Side of
Housing

Figure 5. Current Limiting Only Single-Pair Protector Rear Mounted on Exchange Side of MDF
When Using Hinged Type Connecting Block Mounting Brackets
Page 4
5 Pages

Material ID 847 993 573


Issue 3, February 2004


Page 5


5 Pages

Ordering Information
Tables 1 lists the over-current only single-pair protector units that are currently available. Additional
codes may become available check with your CommScope representative for the latest information.

Table 1. Single-Pair Protector Units


Protection Provided

Voltage
Discharge
PTC
Hold
Current

Quantity

Product Code

Material ID
Multiple
Ordering
Quantity
Over current only
(black handle,
orange case)
N/A 145
mA
1

100
ZIDC-1B-NVO-PD-ON

ZIDC-1B-NVO-PD-ON-100
107 974 164

107 974 172
100

1 Earth bars must be ordered separately, Refer to Table 2
Kit includes ten earth (ground) bars and 100 protector units


Ten earth bars are provided with the single-pair protector units if the protectors are ordered in kits of 100
units (Refer to Table 1- see codes indicated with a
symbol
), so they usually do not need to be ordered
separately. If protectors are ordered individually, earth bars must be ordered separately see below.
Table 2 lists the ordering information and Figure 1 shows the earth (ground) bar on a 10-pair connector
module.
Table 2. Earth or Earth (ground) Bars
Description
Apparatus Code
Material ID
Package of ten earth (ground) bars for single-pair
protector units, fits 8- or 10-pair Connector Modules.
ZIDC-10-010
107 660 391