Comdial Impact Dsu Instructions Manual
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Be sure that all of the ground connections are without splices and are visible for inspection and maintenance. Tag all of the ground connections with a sign that reads:Do Not Remove Or Disconnect. If you install expansion modules on the base cabinet, attach at least a #10 or #12 insulated, solid copper wire between the frame ground stud on the expansion module(s) to the frame ground stud on the base cabinet. Remember, if spare conductors exist in the cables that run between the stations and the 66M-xx connector blocks, it is good practice to connect them to earth ground. Doing this may help prevent them from introducing radio frequency and/or AC interference into the system. Also remember that it is good practice to disconnect any unused station jacks from the connector block and ground that wiring to earth ground as well. Figure 2–3: Grounding The System IMI66–107Digital Telephone System Installing The DSU 2 – 11
2.4 Connecting The Lines The line terminations for the common equipment cabinet are standard modular plug/jack connections. Line configuration must be loopstart only. Each modular jack provides termination for two lines. Modular line jacks 1 and 2 also provide termination for an auxiliary pair in addition to the two outside lines. The outside line termination can be a type 66M-xx connector block or individual 6-position modular jacks. The line cord that is routed between the outside line termination and the common equipment termination should be twisted-pair wiring. The G0408, G0816 and G1632 common equipment supports the installation of up to 4, 8, or 16 lines, respectively. Add-on expansion modules are available to expand the line capacity of the systems. Figure 2–4: Locating The Line Connections 16-Line, 32-Station Base Unit Line Jacks 1 & 2, Aux 1 (Line 2) Line Jacks 3 & 4, Aux 2 (Line 4) Line Jacks 5 & 6 Line Jacks 7 & 8 Line Jacks 9 & 10 Line Jacks 11 & 12 Line Jacks 13 & 14 Line Jacks 15 & 16 Grounding Terminal 4-Line, 8-Station Base Unit Lines 3 & 4, Aux. Line 4 Lines 1 & 2, Aux. Line 2 Grounding Terminal Line Jacks 1 & 2, Aux. Line 2 Line Jacks 3 & 4, Aux. Line 4 Line Jacks 5 & 6 Line Jacks 7 & 8Grounding Terminal 8-Line, 16-Station Base Unit CAJS082 Digital Telephone SystemIMI66–107 2 – 12 Installing The DSU
Figure 2–5: Detailing The CO Line Interface
RING 2
RING 1
TIP 1
TIP 2
RING 4
RING 3
TIP 3
TIP 4
RING 6
RING 5
TIP 5
TIP 6
RING 8
RING 7
TIP 7
TIP 8CO/PBX
LINES
Line Terminations
Type 66M-XX
Connector Block
or
Individual 6-Position
Modular jacks
{
{
{
{
(Typical 8-Line, 16-Station
Base Unit Shown)
CAJS083
6-Wire Twisted
Pair Cable
6
5
4
3
2
1
No Conn.
Ring 2
Ring 1
Tip 1
Tip 2
No. Conn.
6
5
4
3
2
1
Aux. Ring
Ring 2
Ring 1
Tip 1
Tip 2
Aux. Tip
Pin designation for
Line Jacks 1 and 2Pin designation for
Line Jacks 5 and 6
IMI66–107Digital Telephone System
Installing The DSU 2 – 13
2.4.1 Line Connection Details The table on the next page shows the line connection details for all three of the common equipment base units. Jacks one and two are the same for all three cabinets, jacks three and four are the same for both the G0816 and G1632 cabinets, and jacks five through eight are only available on the G1632 cabinet. 2.4.2 Reassigning The Line Ports After you have initially connected a line to a particular line port and programmed its attributes (or left it with the system defaulted values), you can reassign the line and its attributes to a different port by programming action if you wish. This feature allows you to make adds, moves, and changes without relocating the line wiring. Refer to Chapter 3 for the line to line port reassignment programming details. 2.4.3 Protecting The Lines Transient voltage spikes, if induced onto CO or CENTREX lines, can travel through the cable and into the common equipment. The telephone company offers basic protection against this condition but it is usually designed to protect the central office circuits. While it will also provide some protection to the common equipment, it should not be relied upon for total protection. To help ensure that external over-voltage surges do not damage the system, the manufacturer recommends that gas discharge tubes, or similar primary protection devices, be installed and properly grounded on all lines (a selection of solid-state protection devices that are useful for this purpose is available from ITW Linx, Elk Grove Village, Illinois 60007). Digital Telephone SystemIMI66–107 2 – 14 Installing The DSU
Table 2–2: Understanding the Line Connection Details Common Equipment Type Line Jack Pin No. Connection Telephone Number G0408, G0816, and G163211 Auxiliary 1 (Line 2) Tip 2 Line 2 Tip 3 Line 1 Tip 4 Line 1 Ring 5 Line 2 Ring 6 Auxiliary 1 (Line 2) Ring 21 Auxiliary 2 (Line 4) Tip 2 Line 4 Tip 3 Line 3 Tip 4 Line 3 Ring 5 Line 4 Ring 6 Auxiliary 2 (Line 4) Ring G0816 and G163231 No Connection 2 Line 6 Tip 3 Line 5 Tip 4 Line 5 Ring 5 Line 6 Ring 6 No Connection 41 No Connection 2 Line 8 Tip 3 Line 7 Tip 4 Line 7 Ring 5 Line 8 Ring 6 No Connection G163251 No Connection 2 Line 10 Tip 3 Line 9 Tip 4 Line 9 Ring 5 Line 10 Ring 6 No Connection 61 No Connection 2 Line 12 Tip 3 Line 11 Tip 4 Line 11 Ring 5 Line 12 Ring 6 No Connection 71 No Connection 2 Line 14 Tip 3 Line 13 Tip 4 Line 13 Ring 5 Line 14 Ring 6 No Connection 81 No Connection 2 Line 16 Tip 3 Line 15 Tip 4 Line 15 Ring 5 Line 16 Ring 6 No Connection IMI66–107Digital Telephone System Installing The DSU 2 – 15
2.5 Connecting The Stations The digital telephone system supports the operation of proprietary Comdial telephones. The G0408, G0816 and G1632 common equipment supports the installation of up to eight, 16, or 32 telephones, respectively. Add-on expansion modules are available to expand the station capacity of the systems. One 4-line 8-station expansion module can be added to the G0408. The G0816 and G1632 can each take two expansion modules. Connections between the common equipment and the stations are typically via type 66M-xx connector blocks which are cable connected to the common equipment’s 50–pin male connector. The connector block is, in turn, wired to modular jacks that accept the modular line cord connected between it and the telephones. The maximum distance allowed from the common equipment to the stations is per the following list: ·Multiline Telephones—1000 feet using #24 gauge, twisted-pair cable or 2000 feet using #22 gauge cable When installing the system telephones keep in mind that each station port supports only one proprietary telephone and the system does not allow you to bridge two stations to a single modular jack. Alwaysroute station wiring a minimum of 12 inches from any other parallel wires or electrical devices. If electrical noise or RF energy is at a high level, this may require the use of shielded cable with the shield connected to the cabinet ground lug. Digital Telephone SystemIMI66–107 2 – 16 Installing The DSU
2.5.1 Grounding The Stations Remember, if spare conductors exist in the cables that run between the stations and the 66M-xx connector blocks, it is good practice to connect them to earth ground. Doing this may help prevent them from introducing radio frequency and/or AC interference into the system. Also remember that it is good practice to disconnect any unused station jacks from the connector block and ground that wiring to earth ground as well. Remove insulation and twist together all spare wires at the wall outlet. Ground the wires at the 66M-xx to the common equipment cabinet ground lug. 2.5.2 Relocating The Stations The Comdial proprietary telephones identify themselves to the system when you install them. The system assigns an extension number and all other programmable attributes to station ports as a default that you can reprogram as needed. Plus, you can use programming action to reassign attributes of one station port to a different station port if you wish. This station relocation feature allows you to do adds, moves, and changes without relocating the station wiring. Refer to the automatic station relocation programming procedure and the station-to-station programming procedure found in Chapter 3. NOTE: The system will not allow you to relocate the station 10 to station port 10 assignment. 2.5.3 Installing The Cable Clips Each cabinet-mounted 50-pin male connector is equipped with a retaining clip. This clip is designed to secure the mated connection once it is made. The clip does this by snapping into a slot on the cable-mounted connector when it is pressed together with the cabinet-mounted connector. This retaining clip must be pulled back slightly to unsnap it before the connectors can be separated. IMI66–107Digital Telephone System Installing The DSU 2 – 17
Figure 2–6: Station Connections 16-Line, 32-Station Base Unit Stations 10-25 Stations 26-41Power Fail Station Grounding Terminal 4-Line, 8-Station Base Unit Station 10-17, Power Fail Station Grounding Terminal Station 10-25 Power Fail Station Grounding Terminal 8-Line, 16-Station Base Unit CAJS084 Digital Telephone SystemIMI66–107 2 – 18 Installing The DSU
2.5.4 Connecting Stations To The G0408 This table shows the color-coded connections for a G0408 common equipment cabinet. Table 2–3: Connecting Stations To The G0408 Common Equipment Cabinet 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 10 Blue-White 1 2 Red White-Orange 227 3 Signal PathGreen 11 Orange-White 2 4 Red White-Green 328 5 Signal PathGreen 12 Green-White 3 6 Red White-Brown 429 7 Signal PathGreen 13 Brown-White 4 8 Red White-Slate 530 9 Signal PathGreen 14 Slate-White 5 10 Red Red-Blue 631 11 Signal PathGreen 15 Blue-Red 6 12 Red Red-Orange 732 13 Signal PathGreen 16 Orange-Red 7 14 Red Red-Green 833 15 Signal PathGreen 17 Green-Red 8 16 Red 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 RS232 Data Port ATD Brown-Yellow 19 38 RD Yellow-Slate 2045 39 CTS Slate-Yellow 20 40 SG Violet-Blue 2146 41 RS232 Data Port BTD Blue-Violet 21 42 RD Violet-Orange 2247 43 CTS Orange-Violet 22 44 SG Violet-Green 2348 45 Common Audible Green-Violet 23 46 Violet-Brown 2449 47 Station 17 Audible Brown-Violet 24 48 Violet-Slate 2550 49 Power Fail Station Slate-Violet 25 50 IMI66–107Digital Telephone System Installing The DSU 2 – 19
2.5.5 Connecting Stations To The G0816 This table shows the color-coded connections for a G0816 common equipment cabinet. Table 2–4: Connecting Stations To The G0816 Common Equipment Cabinet 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 10 Blue-White 1 2 Red White-Orange 227 3 Signal PathGreen 11 Orange-White 2 4 Red White-Green 328 5 Signal PathGreen 12 Green-White 3 6 Red White-Brown 429 7 Signal PathGreen 13 Brown-White 4 8 Red White-Slate 530 9 Signal PathGreen 14 Slate-White 5 10 Red Red-Blue 631 11 Signal PathGreen 15 Blue-Red 6 12 Red Red-Orange 732 13 Signal PathGreen 16 Orange-Red 7 14 Red Red-Green 833 15 Signal PathGreen 17 Green-Red 8 16 Red Red-Brown 934 17 Signal PathGreen 18 Brown-Red 9 18 Red Red-Slate 1035 19 Signal PathGreen 19 Slate-Red 10 20 Red Black-Blue 1136 21 Signal PathGreen 20 Blue-Black 11 22 Red Black-Orange 12 37 23 Signal PathGreen 21 Orange-Black 12 24 Red Black-Green 13 38 25 Signal PathGreen 22 Green-Black 13 26 Red Black-Brown 14 39 27 Signal PathGreen 23 Brown-Black 14 28 Red Black-Slate 15 40 29 Signal PathGreen 24 Slate-Black 15 30 Red Yellow-Blue 16 41 31 Signal PathGreen 25 Blue-Yellow 16 32 Red Yellow-Orange 17 42 33 Orange-Yellow 17 34 Yellow-Green 1843 35 Green-Yellow 18 36 Yellow-Brown 1944 37 RS232 Data Port ATD Brown-Yellow 19 38 RD Yellow-Slate 2045 39 CTS Slate-Yellow 20 40 SG Violet-Blue 2146 41 RS232 Data Port BTD Blue-Violet 21 42 RD Violet-Orange 2247 43 CTS Orange-Violet 22 44 SG Violet-Green 2348 45 Common Audible Green-Violet 23 46 Violet-Brown 2449 47 Station 17 Audible Brown-Violet 24 48 Violet-Slate 2550 49 Power Fail Station Slate-Violet 25 50 Digital Telephone SystemIMI66–107 2 – 20 Installing The DSU