Comdial Dsu II Installation Manual
Have a look at the manual Comdial Dsu II Installation Manual online for free. It’s possible to download the document as PDF or print. UserManuals.tech offer 133 Comdial manuals and user’s guides for free. Share the user manual or guide on Facebook, Twitter or Google+.
2.14 Using The Add-On Expansion Modules You can install optional add-on expansion modules to the DSU II common equipment base unit to increase the line and station capacity of an installed system. ·The JM408 expansion module provides an additional four lines and eight digital proprietary stations. ·The JM008 expansion module provides interface and ring generation for eight industry-standard telephone devices. Base Unit TypeBase Unit Capacity Expansion Module TypeTotal System Capacity LinesSystem StationsLinesSystem StationsISTs J0408 4 8one JM408 8 16 - one JM008 4 8 8 J0816 8 16one JM408 12 24 - two JM408 16 32 - one JM008 8 16 8 two JM008 8 16 16 one JM408 and one JM00812 24 8 J1632 16 32one JM408 20 40 - two JM408 24 48 - one JM008 16 32 8 two JM008 16 32 16 one JM408 and one Jm00820 40 8 2.14.1 Using The JM408 Module The JM408 expansion module provides to an installed system an additional four lines and eight digital proprietary stations. The default numbering of the expanded lines and stations begin with the next higher line or station port number from that provided by the host base unit. The numbering continues sequentially from top module to bottom module if two modules are installed. For example: The defaulted 8-line, 16-station base unit provides station ports 10 through 25 and lines 1 through 8. When installed, a JM408 expansion module provides station ports 26 through 33 and lines 9 through 12 thus creating a 12 line by 24 station system. Each expansion module provides a tip and ring pair as an emergency power failure circuit. This circuit is connected to the first module-provided line. DSU II Digital Telephone System IMI66–132 Installing The DSU II Digital Telephone System 2 – 41
Connecting Lines To The JM408 Expansion Module The expansion module’s line connections are available at two modular jacks. When facing the jack openings, lines 1 and 2 are provided by the jack on the right and lines 3 and 4 are provided by the jack on the left. Line JackPin NumberConnectionTelephone Number 11 No Connection 2 Line 2M Tip 3 Line 1M Tip 4 Line 1MRing 5 Line 2M Ring 6 No Connection 21 No Connection 2 Line 4M Tip 3 Line 3M Tip 4 Line 3M Ring 5 Line 4M Ring 6 No Connection IMI66–132 DSU II Digital Telephone System 2 – 42 Installing The DSU II Digital Telephone System
Connecting Stations To The JM408 Expansion Module The station connections are available at a 50-pin connector. 25-Pair Connections Two-Wire Connections Station Connections Wire Color Pair Pin No.Clip Term.Pair Wire Color Station Location White-Blue 126 1 Signal PathGreen 1M Blue-White 1 2 Red White-Orange 227 3 Signal PathGreen 2M Orange-White 2 4 Red White-Green 328 5 Signal PathGreen 3M Green-White 3 6 Red White-Brown 429 7 Signal PathGreen 4M Brown-White 4 8 Red White-Slate 530 9 Signal PathGreen 5M Slate-White 5 10 Red Red-Blue 631 11 Signal PathGreen 6M Blue-Red 6 12 Red Red-Orange 732 13 Signal PathGreen 7M Orange-Red 7 14 Red Red-Green 833 15 Signal PathGreen 8M Green-Red 8 16 Red Red-Brown 934 17 Spare Pair Brown-Red 9 18 Red-Slate 1035 19 Slate-Red 10 20 Black-Blue 1136 21 Blue-Black 11 22 Black-Orange 1237 23 Orange-Black 12 24 Black-Green 1338 25 Green-Black 13 26 Black-Brown 1439 27 Brown-Black 14 28 Black-Slate 1540 29 Slate-Black 15 30 Yellow-Blue 1641 31 Blue-Yellow 16 32 Yellow-Orange 1742 33 Orange-Yellow 17 34 Yellow-Green 1843 35 Green-Yellow 18 36 Yellow-Brown 1944 37 Brown-Yellow 19 38 Yellow-Slate 2045 39 Slate-Yellow 20 40 Violet-Blue 2146 41 Blue-Violet 21 42 Violet-Orange 2247 43 Orange-Violet 22 44 Violet-Green 2348 45 Green-Violet 23 46 Violet-Brown 2449 47 Brown-Violet 24 48 Violet-Slate 2550 49 Signal PathTip Power Fail Station Slate-Violet 25 50 Ring DSU II Digital Telephone System IMI66–132 Installing The DSU II Digital Telephone System 2 – 43
2.14.2 Using The JM008 Module The JM008 expansion module provides an interface for a wide variety of industry-standard telephone (IST) equipment such as 500 and 2500-type telephones, cordless telephones, voice mail systems, answering machines, FAX machines, and data modems. Each IST port drives a load with a maximum ringer equivalence number (REN) of 2.0. Check the REN number of the connected IST equipment so you do not exceed the capacity of the IST port. Improper operation may result if you exceed the REN maximum. The default numbering of the expansion module stations begin with the next higher station port number from that provided by the host base unit. The numbering continues sequentially from top module to bottom module if two modules are installed. For example: The defaulted 8-line, 16-station base unit provides station ports 10 through 25. When installed, a JM008 expansion module provides station ports 26 through 33. A second JM008, when installed in the bottom mounting location, provides station ports 34 through 41. CAUTION If you install both a JM408 and a JM008 on the same cabinet, you must install the JM408 at the upper expansion module location or the lines provided by the JM408 will not function. When you install the JM008 and connect IST devices to it, there are several programming requirements that you must consider. Refer to Chapter 3, Section 3.10 for complete details. IMI66–132 DSU II Digital Telephone System 2 – 44 Installing The DSU II Digital Telephone System
Connecting Stations To The JM008 Module The station connections are available at a 50-pin connector. 25-Pair Connections Two-Wire Connections Station Connections Wire Color Pair Pin No.Clip Term.Pair Connection Station Location White-Blue 126 1 Signal PathTip 1M Blue-White 1 2 Ring White-Orange 227 3 Signal PathTip 2M Orange-White 2 4 Ring White-Green 328 5 Signal PathTip 3M Green-White 3 6 Ring White-Brown 429 7 Signal PathTip 4M Brown-White 4 8 Ring White-Slate 530 9 Signal PathTip 5M Slate-White 5 10 Ring Red-Blue 631 11 Signal PathTip 6M Blue-Red 6 12 Ring Red-Orange 732 13 Signal PathTip 7M Orange-Red 7 14 Ring Red-Green 833 15 Signal PathTip 8M Green-Red 8 16 Ring Red-Brown 934 17 Spare Pairs Brown-Red 9 18 Red-Slate 1035 19 Slate-Red 10 20 Black-Blue 1136 21 Blue-Black 11 22 Black-Orange 1237 23 Orange-Black 12 24 Black-Green 1338 25 Green-Black 13 26 Black-Brown 1439 27 Brown-Black 14 28 Black-Slate 1540 29 Slate-Black 15 30 Yellow-Blue 1641 31 Blue-Yellow 16 32 Yellow-Orange 1742 33 Orange-Yellow 17 34 Yellow-Green 1843 35 Green-Yellow 18 36 Yellow-Brown 1944 37 Brown-Yellow 19 38 Yellow-Slate 2045 39 Slate-Yellow 20 40 Violet-Blue 2146 41 Blue-Violet 21 42 Violet-Orange 2247 43 Orange-Violet 22 44 Violet-Green 2348 45 Green-Violet 23 46 Violet-Brown 2449 47 Brown-Violet 24 48 Violet-Slate 2550 49 Slate-Violet 25 50 DSU II Digital Telephone System IMI66–132 Installing The DSU II Digital Telephone System 2 – 45
Checking Industry-Standard Telephone Connections To The JM008 Module When you connect industry-standard telephones to the JM008 expansion module, the maximum distance allowed from the common equipment to the telephone is 1500 feet if you use #24 gauge or larger, twisted pair cable. Check the installation of industry-standard telephones for proper operation by performing the following voltage measurements under the conditions listed: – have both the common equipment and the stations connected to the station connector block, – have bridging clips installed on the connector block, – have the system powered and operational. Measure DC voltage across the tip and ring pair of each installed industry-standard telephone with a DC voltmeter. You should read:+24 volts DC+ / -2 volts. Call each industry-standard telephone to stimulate the ring generator assembly, and measure the AC ringing voltage across the tip and ring pair of each called telephone. You should read:55 volts AC+ / -5 volts. If your measured voltages are different from the values shown herein, it could indicate a wiring error or equipment problem. IMI66–132 DSU II Digital Telephone System 2 – 46 Installing The DSU II Digital Telephone System
Installing An OPX Long Loop Adapter With The JM008 You must use an OPX long loop adapter if you wish to adapt the JM008’s IST station port to support an off-premise IST application. An OPX long loop adapter connects to a single telephone line and can greatly extend the line’s loop length (the Proctor Model 46222 adapter*, for example, can extend line length to 30,000 feet). *Proctor & Associates Company, Redmond WA CAUTION When you connect an OPX long loop adapter to an off-premise extension (OPX), you must install primary protectors in series with the tip/ring pair of the telephone line that is routed to the OPX. This action is necessary to protect both the user and the equipment from transient voltage spikes that can travel through the cable. The telephone company offers basic protection against this condition; however, that protection is usually designed to safeguard the central office circuits and you cannot rely upon it to protect common equipment. To help insure that external over-voltage surges do not damage the system, installation specialists recommend that you install and properly ground gas discharge tubes or similar primary protection devices on the telephone line that routes between the adapter and the OPX. To install the OPX long loop adapter: ·Follow manufacturer’s instructions for unpacking, inspecting, mounting and wiring the adapter unit. ·Plug a modular cable into the system jack on the adapter and connect the opposite end of the cable to the JM008’s station port. ·Plug a modular cord into the telephone jack on the adapter and connect the opposite end of the cord to the OPX line. ·Plug the adapter power cord into a standard 117 VAC, 3-wire electrical outlet. DSU II Digital Telephone System IMI66–132 Installing The DSU II Digital Telephone System 2 – 47
2.14.3 Installing An Add-On Expansion Module Each JM408 or JM008 add-on expansion module measures 15.5 wide x 9.4 high x 1.6 wide and weighs approximately 4 pounds. The modules are designed so that you can attach them to the base unit and connect them to it via cabling. NOTE: If you plan to upgrade the system software at the same time that you add expansion modules, add the expansion modules first by following steps 1 through 11. Then, after you have installed the expansion modules and programmed for the new stations and line ports, upgrade the software as described in the discussion titled,Loading And Up-Grading The System Software. To install an expansion module to a base unit, follow the procedure detailed in steps 1–11. CAUTION You must always connect the first module to the top location on the base unit. 1. Disconnect both AC power and external battery back-up power from the system. 2. Remove and set aside nameplate from base unit. This action exposes internal cable connector on base unit circuit board. 3. Reach through opening in base unit and mate module cable plug with base unit circuit board connectors. 4. Push excess cable inside base unit housing through connector opening. 5. Install expansion module in place on all four mounting holes. Be sure excess cable is not pinched between add-on module and base unit. 6. Pull module down to latch in place. 7. Use appropriate screw driver to tighten module securing screw into base unit threaded fastener. 8. Snap nameplate into slots on top of module housing. 9. Attach #10 or #12 insulated, solid copper wire between the frame ground stud on the expansion module and the frame ground stud on the common equipment cabinet. 10. Reconnect the power to the system. 11. Refer to Chapter 3, and perform configuration programming for new station and line ports. IMI66–132 DSU II Digital Telephone System 2 – 48 Installing The DSU II Digital Telephone System
Typical Base Unit Typical Add-On Module (8-Line, 16-Station Base Unit) Nameplate (Remove to expose base unit connectors) To p Location Bottom LocationUpper Mounting Holes (2 Places) Lower Mounting Holes (2 Places) Connecting Cable and Plug Snap Slots for Nameplate Securing ScrewGround Modules to Base Unit cajs111.cdr Ground Base Cabinet To Earth Ground. Installing The Add-On Expansion Module DSU II Digital Telephone System IMI66–132 Installing The DSU II Digital Telephone System 2 – 49
2.15 Checking The System Installation The system operating features are set to default conditions at initial power-up. These conditions provide a basic operating system with a known set of parameters, and you should check out the system with the default conditions in place. At any time while the system is operating, you can reset default conditions from station port 10 or 12 following the instructions provided in chapter 3,Programming. 2.15.1 Checking The Resistance Measure the resistance at the station connector blocks under the following conditions. ·AC power cord disconnected from electrical outlet. ·Common equipment connected to station connector blocks. ·Stations wired and wiring punched down on blocks. ·Bridging clips removed from blocks to isolate stations from common equipment. Measure the resistance of each installed station and wiring from the station side of the connector blocks. Resistance values will vary with cable length and station type but should be within the following limits: ·Greater than 700 KW 2.15.2 Checking The Voltage Make the following voltage measurements at the station connector blocks under the following conditions: ·Bridging clips installed ·AC power connected to the common equipment Measure the voltage across the signal pair. The measured voltage for proprietary telephones must be within the following limits: ·28–36 VDC NOTE: Refer to Section 2.14.2 for information on testing industry-standard telephones connected through the JM008 expansion module. IMI66–132 DSU II Digital Telephone System 2 – 50 Installing The DSU II Digital Telephone System