
XCP-48-RJ45
Breakout Panel Technical Guide
38110509 Rev F 8/2008

PROPRIETARY NOTICE
SHIPPING TO THE MANUFACTURER
The product information and design disclosed herein were originated by
and are the property of Telex Communications, Inc. Telex reserves all
patent, proprietary design, manufacturing, reproduction, use and sales
rights thereto, and to any article disclosed therein, except to the extent
rights are expressly granted to others.
COPYRIGHT NOTICE
Copyright 2008 by Telex Communications, Inc. All rights reserved.
Reproduction, in whole or in part, without prior written permission from
Telex is prohibited.
WARRANTY NOTICE
See the enclosed warranty card for further details.
CUSTOMER SUPPORT
Te chnical questions should be directed to:
Customer Service Department
RTS/Telex Communications, Inc.
12000 Portland Avenue South
Burnsville, MN 55337 USA
Telephone: 800-392-3497
Fax: 800-323-0498
All shipments of product should be made via UPS Ground, prepaid (you
may request from Factory Service a different shipment method). Any
shipment upgrades will be paid by the customer. The equipment should
be shipped in the original packing carton. If the original carton is not
available, use any suitable container that is rigid and of adequate size. If
a substitute container is used, the equipment should be wrapped in paper
and surrounded with at least four (4) inches of excelsior or similar
shock-absorbing material. All shipments must be sent to the following
address and must include the Proof of Purchase for warranty repair.
Upon completion of any repair the equipment will be returned via
United Parcel Service or specified shipper, collect.
Factory Service Department
Telex Communications, Inc.
8601 East Cornhusker Hwy.
Lincoln, NE 68507 U.S.A.
Attn: Service
This package should include the following:
RETURN SHIPPING INSTRUCTIONS
Customer Service Department
Telex Communications, Inc. (Lincoln, NE)
Telephone: 402-467-5321
Fax: 402-467-3279
Factory Service: 800-553-5992
Please include a note in the box which supplies the company name,
address, phone number, a person to contact regarding the repair , the type
and quantity of equipment, a description of the problem and the serial
number(s).

CHAPTER 1
J6
J5
J4
J3
J2
J1
TELEX COMMUNICATIONS, INC.
MADE IN U.S.A.
XCP-48-RJ45
14
5
67
8
23
14
5
67
8
23
14
5
67
8
23
14
5
67
8
23
14
5
67
8
23
14
5
67
8
23
Ports
1-8
Ports
9-16
Ports
17-24
Ports
25-32
Ports
33-40
Ports
41-48
XCP-48-RJ45
9000-7809-000
FIGURE 1. XCP-48-RJ45
The XCP-48-RJ45 is the newly created 48-port RJ-45
breakout panel with MDR connector for the AIO-16 and
Cronus. It allow you to expand the number of RJ-45 ports on
the Intercom system.
NOTE: When using the 48-port RJ-45 breakout panel,
you MUST use the MDR backcard for both the
AIO-16 and Cronus.
RJ-45
Pin 1 N/A
Pin 2 Keypanel Data Pin 3 Audio Out +
Pin 4 Audio In +
Pin 5 Audio In Pin 6 Audio Out Pin 7 Keypanel Data +
Pin 8 N/A
MDR Connector
Pin Number Port Function
81Data +
33 1 Data 24 1 Audio To Matrix +
49 1 Audio To Matrix 25 1 Audio From Matrix +
50 1 Audio From Matrix -
72Data +
32 2 Data 22 2 Audio To Matrix +
47 2 Audio To Matrix 23 2 Audio From Matrix +
48 2 Audio From Matrix -
3

MDR Connector
MDR Connector
Pin Number Port Function
63Data +
31 3 Data 20 3 Audio To Matrix +
45 3 Audio To Matrix 21 3 Audio From Matrix +
46 3 Audio From Matrix -
54Data +
30 4 Data 18 4 Audio To Matrix +
43 4 Audio To Matrix 19 4 Audio From Matrix +
44 4 Audio From Matrix -
45Data +
29 5 Data 16 5 Audio To Matrix +
41 5 Audio To Matrix 17 5 Audio From Matrix +
42 5 Audio From Matrix -
Pin Number Port Function
11 8 Audio From Matrix +
36 8 Audio From Matrix -
NOTE: There are 6 MDR connectors on the XCP-48
RJ-45 Breakout panel.
MDR Connector Port
J1 41-48
J2 33-40
J3 25-32
J4 17-24
J5 9-16
J6 1-8
36Data +
28 6 Data 14 6 Audio To Matrix +
39 6 Audio To Matrix 15 6 Audio From Matrix +
40 6 Audio From Matrix -
27Data +
27 7 Data 12 7 Audio To Matrix +
37 7 Audio To Matrix 13 7 Audio From Matrix +
38 7 Audio From Matrix -
18Data +
26 8 Data 10 8 Audio To Matrix +
35 8 Audio To Matrix -
4