Touchstone® TM508/TM512 Installation Guide Release 5 Standard 1.2 March 2007 About this document This guide describes the installation and testing procedures for the Touchstone Multi-Line Telephony Modem models (TM508 and TM512). 1 Planning the Installation Use this chapter to plan the Telephony Modem installation. 2 Installing the Telephony Modem Use this chapter to install the Telephony Modem. 3 Troubleshooting Information This chapter describes troubleshooting features.
ii Touchstone Telephony Release 5 Standard 1.
iii Publication history March 2007 February 2007 April 2006 Release 5 Standard 1.2 version of this document. Release 5 Standard 1.1 version of this document. Release 5 Standard 1.0 version of this document. TM508/TM512 Installation Guide Release 5 Standard 1.
iv Touchstone Telephony Release 5 Standard 1.
v Contents About this Document vii Safety Requirements vii Radio Frequency Emissions and Immunity viii Product Safety ix CE Compliance ix Planning the Installation 1 Environmental Requirements 1 Site Location 1 Power Requirements 2 AC Powering 2 DC Powering 2 Telephony Requirements 4 Network Requirements 4 Telephony Modem Accessories 5 Punch-Block Kit 5 Battery Backup Power Supply 6 Installing the Telephony Modem 7 Cable and Connector Pinouts 8 Telephone Connector Pinouts 8 Telemetry Block Pinouts 8 Proc
vi Connecting the Cables 23 Troubleshooting Information 27 Troubleshooting Interfaces 27 Front Panel LEDs 27 Telemetry Block 29 Serial Port 29 Touchstone Telephony Release 5 Standard 1.
About this Document This guide describes the installation and testing procedures for the Touchstone Multi-Line Telephony Modem models: • TM508A: North American DOCSIS, 100-240V AC/ 48V DC Power; 8 telephony lines • TM512A: North American DOCSIS, 100-240V AC/ 48V DC Power; 12 telephony lines Safety Requirements ARRIS Telephony Modems comply with the applicable requirements for performance, construction, labeling, and information when used as outlined below: CAUTION Risk of damage Make sure that the exis
viii Do not locate the equipment within 6 feet (1.9 m) of a flame or ignition source (i.e. heat registers, space heaters, fireplaces, etc.). Use only the power cord included with the equipment. Equipment should be installed near the power outlet and should be easily accessible. The shield of the coaxial cable must be connected to earth (grounded) at the entrance to the building in accordance with applicable national electrical installation codes. In the U.S.
ix reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. • Increase the separation between the equipment and the receiver. • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help.
x be disposed as unsorted municipal waste, but rather collected separately and disposed of in accordance with local WEEE ordinances. Touchstone Telephony Release 5 Standard 1.
1 1 Planning the Installation Use this chapter to plan the Telephony Modem installation. Environmental Requirements Installation of the equipment in a rack should not restrict airflow. In particular, provide adequate side clearance. Mount the Telephony Modem properly to prevent uneven mechanical loading on the chassis. Improper mounting can cause premature failure and potentially hazardous conditions.
2 Power Requirements The Telephony Modem can use either 120V AC power or 48V DC power. Maximum power consumption is 60 watts. CAUTION Risk of equipment damage Connect only DC or AC power, not both, to the TM512. Connecting both supplies may cause a reset upon loss of AC power. Each type of power supply has a separate power connector mounted on the rear panel of the Telephony Modem.
3 The following diagram shows the location of the DC connector. TM508/TM512 Installation Guide Release 5 Standard 1.
4 Telephony Requirements Each telephone line supports copper wire loop lengths of up to 128¾, equivalent to 1500 feet of 26 AWG (American Wire Gauge) copper wire loop. The loop length includes the cable between the Telephony Modem and punch-down block, subscriber premises wiring, and extension cables used with subscriber CPE. The Telephony Modem uses a cable with RJ-21X connectors to the punch-down block.
5 Telephony Modem Accessories ARRIS provides optional accessories for the multi-line Telephony Modems. Contact your ARRIS sales representative to order these items. Punch-Block Kit The punch-block kit, order number 719321, contains the following items. 1 2 3 1 Pre-wired Network 66-block with cover 2 24 bridging clips 3 RJ-21X cable Note: The supplied RJ-21X cable is wired only for use with TM508 or TM512 Telephony Modems.
6 Battery Backup Power Supply The battery backup power supply kit, order number 718115K, is based on the APC Broadband PowerShield. It provides 48V DC power and PacketCable 1.1 compliant telemetry. The kit contains the following items: 3 1 4 5 2 6 1 Power supply unit 2 20 Ah sealed lead-acid battery 3 Cover 4 Documentation 5 AC power cord 6 DC power/telemetry cable See “Installing the Battery Backup Power Supply” on page 21, or the power supply documentation, for installation instructions.
2 Installing the Telephony Modem 2 Use this chapter to install the Telephony Modem. TM508/TM512 Installation Guide Release 5 Standard 1.
8 Cable and Connector Pinouts Telephone Connector Pinouts The Telephone connector provides 8 or 12 lines of POTS (2-wire) telephone service. The following diagram shows the pinout of the RJ21X telephone connector. Telemetry Block Pinouts The Telemetry block provides an interface between the signals from an AC power supply with battery backup and the Telephony Modem net- Touchstone Telephony Release 5 Standard 1.
9 work management agent. The following diagram shows the Telemetry block and the contacts. Telemetry 1 2 3 4 Rtn The following table defines the function of each contact in the Telemetry block. When the Telephony Modem detects a short between RTN and another contact, it generates the alarm shown. Contact Alarm Generated 1 AC Fail 2 Replace Battery 3 Battery Missing 4 Battery Low RTN (telemetry return line) not applicable TM508/TM512 Installation Guide Release 5 Standard 1.
10 Inspecting and Unpacking the Telephony Modem Use this procedure to ensure the Telephony Modem package contains all the required components, and that the unit is not damaged.
11 2 If the package is undamaged, open the box at the top. 3 Lift the Telephony Modem bag out of the package. 4 If all the items are present and undamaged, affix the MAC address stickers where they can be seen after installation. TM508/TM512 Installation Guide Release 5 Standard 1.
12 Rack-Mounting the Chassis Use this procedure to mount the Telephony Modem in a 19-inch rack. Note: If you are not rack-mounting the Telephony Modem, attach the adhesive rubber feet included in the accessories package to the corners on the bottom of the unit. Tabletop usage is recommended only for lab trials rather than general deployment. For wall-mounting, see “Wall-Mounting the Chassis” on page 13. Required Tools You need #2 and #1 Phillips screwdrivers to rack-mount the Telephony Modem.
13 Wall-Mounting the Chassis Use this procedure to mount the Telephony Modem on a wall or other vertical surface. For best results, ARRIS recommends mounting the Telephony Modem to a plywood surface. Note: For rack-mounting instructions, see “Rack-Mounting the Chassis” on page 12. Required Tools You need #2 and #1 Phillips screwdrivers to wall-mount the Telephony Modem. The package includes mounting brackets and screws required to attach the brackets to the Telephony Modem.
14 Using the Mounting Holes Using the RackMounting Brackets Follow these steps to wall-mount the Telephony Modem using the holes on the bottom of the unit. For best results, use both the bottom holes and the rack-mounting brackets to secure the Telephony Modem. 1 Insert two screws, 8-1/4 inches (216 mm) apart, either horizontally or vertically, into the mounting surface. See “Spacing” on page 13 for more details. The screw heads should protrude no more than 1/8 inch (3 mm) from the surface.
15 Installing the Punch-Block Kit Use this procedure to install the ARRIS punch-block kit accessory, order number 719321, in the wiring closet. Location Locate the punch-down block within 6 feet of the rear of the Telephony Modem. The RJ-21X cable supplied with the kit is 10 feet (3.3m) long; allow for slack and routing considerations. The selected location should also allow subscriber telephone lines to reach the punch-down block with sufficient clearance.
16 Additional Items Action The following additional items are required, but not supplied, depending on the mounting surface. • To mount the punch-down block on drywall, you need two drywall anchors. • To mount the punch-down block on plywood, you need two 1-inch #6 wood screws. Perform the following tasks in the order shown. Task Page Mounting the Punch-Down Block .........................................16 Connecting Subscriber Wiring...............................................
17 5 Connecting Subscriber Wiring Tighten the screws to firmly hold the punch-down block against the mounting surface. Follow these steps to connect subscriber wiring to the punch-down block. Consult the following diagram while making connections. Network side Line 1 – Tip Bridging Clips (required to enable service) Subscriber side Line 1 – Ring Line 1 – Tip Line 1 – Ring 1 Identify the tip-ring wire pair that should be associated with the Telephony Modem line that you are connecting.
18 Connecting Cables Use this procedure to connect the Telephony Modem to power and networks. Rear Panel Connectors Refer to the following photo for the locations of rear panel connectors when performing this procedure.
19 If the Telephony Modem is intended to provide data services, Ethernet lines from subscriber units must be run to a switch or hub in the wiring closet. The switch or hub must have at least one free connection for the Telephony Modem. Grounding Requirements When using AC power, a grounded 3-prong AC outlet provides safety ground. When using a SELV DC power supply, such as the Local Battery Backup Supply (part number 718115K), safety ground is not required.
20 and secure with the Velcro strap (see below). Connect the other end to the Telephone jack on the Telephony Modem. 4 (optional) Connect a 100BaseT Ethernet cable between the Telephony Modem Ethernet jack and the Uplink port on a hub or switch. CAUTION Risk of equipment damage Connect only DC or AC power, not both, to the TM512. Connecting both supplies may cause a reset upon loss of AC power.
21 Installing the Battery Backup Power Supply Use this procedure to mount and connect the battery backup power supply kit, part number 718115K, to the Telephony Modem. Note: Before installing the power supply, charge the battery as instructed by the documentation accompanying the power supply kit. Location Locate the power supply within 4 feet of the rear of the Telephony Modem. The power cable supplied with the kit is 6 feet (1.8 m) long; allow for slack and routing considerations.
22 • To mount the power supply on drywall, you need two drywall anchors. • To mount the power supply on plywood, you need two 1-inch #6 wood screws. CAUTION Risk of equipment damage Connect only DC or AC power, not both, to the TM512. Connecting both supplies may cause a reset upon loss of AC power. Action Perform the following tasks in the order shown. Task Page Mounting the Power Supply ..................................................22 Connecting the Cables ....................................
23 Connecting the Cables 4 Drive the screws or drywall anchors into the mounting surface as appropriate. Leave a gap of 1/8 inch (3mm) between the mounting surface and the back of each screw head. 5 Slip the large ends of the power supply keyhole slots.over the screws, then pull down on the power supply until the screw shafts contact the small end of the keyhole slots. 6 Tighten the screws to firmly hold the power supply against the mounting surface.
24 2 Connect the AC and DC/telemetry cables as shown below. AC Cable DC/Telemetry Cable 3 Install the power supply cover. Touchstone Telephony Release 5 Standard 1.
25 4 Connect the DC/telemetry cable to the Telephony Modem as shown below. 12345 1 (white wire) AC Power Fail 2 (brown wire) Replace Battery 3 (blue wire) Battery Missing 4 (orange wire) Battery Low 5 (green wire) Telemetry Return 6 (black wire) 48 VDC “-” 7 (red wire) 48 VDC “+” 67 TM508/TM512 Installation Guide Release 5 Standard 1.
26 Touchstone Telephony Release 5 Standard 1.
3 3 Troubleshooting Information This chapter describes troubleshooting features. Troubleshooting Interfaces The Telephony Modem provides two troubleshooting interfaces: the front panel LEDs and the telemetry block. Front Panel LEDs The front panel LEDs provide information about DOCSIS and telephony status. The LED patterns shown in this section are valid for the default firmware version installed on the Telephony Modem.
28 Patterns: Normal Operation The following table shows LED patterns for the Telephony Modem during normal operation. Operating Mode AC Power Good Power DS US Online On = Online On = Online On = network available Flash = Off-line Flash = Off-line On Off = network not available Tel. 1 – 12 (or Tel.
29 Patterns: Startup Sequence The following tables show LED patterns for the Telephony Modem during each phase of the startup sequence. MTA Startup Sequence If the MTA fails to complete registration, note the LED pattern and call your next level of support. Step Power, DS, US, Online Description Link Telephone 0 No Power Off Off Off 1 Self-Test Flash Flash Flash CM Initialization; see “CM Startup Sequence” below.
30 Touchstone Telephony Release 5 Standard 1.
Touchstone® TM508/TM512 Telephony Modem Installation Guide 2006-2007 ARRIS All rights reserved All information contained in this document is subject to change without notice. ARRIS reserves the right to make changes to equipment design or program components, as progress in engineering, manufacturing methods, or other circumstances may warrant. ARRIS, ARRIS Interactive, and Touchstone Telephony are trademarks of ARRIS Group.
