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Introduction
The TS2 board (trunk module S2M) for OfficeCom connects the system to an NT1 (network transfer point) via a symmetrical line (four-wire, twisted-pair cable) or a coaxial line for the simultaneous transfer of up to 30 B channels (ISDN voice channels).
The total transmission speed including signalling and synchronization is 2,048 Mbit/s.
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Only one TS2 board allowed (primary multiplex access) |
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For slot 7 or 9 only (Rel. 2.0 or later) |
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The maximum cable length depends on the quality of the cable used and its signal attenuation (max. 6
dB).
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You can use the Euro-ISDN CAS gateway (ECG) to support coountry-specific CAS protocols. The ECG is a protocol converter that converts the Euro-ISDN subset to channel-associated signaling (CAS). Refer to the installation instructions that come with each ECG for information on connecting the unit and supplying it with power.
Interfaces
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Symmetrical Line (120 ohms)
The 120 ohm-variant is preset in the factory (jumper setting, refer to Table 3-74 on page 3-176). Connect the shielded cable to the X2 connector using an 8-pin Wieland terminal.
Pin |
X2 |
---|---|
1 |
-48V (NT1 feeding) |
2 |
GNDA (NT1 feeding) |
3 |
GND shield |
4 |
GND shield |
5 |
Transmit a-wire |
6 |
Transmit b-wire |
7 |
Receive a-wire |
8 |
Receive b-wire |
Coaxial Line (75 ohms)
Connect the coaxial line to the X2 connector using the 8-pin Wieland terminal. Adjust the jumpers on plug connectors X100 to X102 as shown in the Jumper Settings table.
Note: Use the connection kits listed on page 3-179 for NT connections in Spain and Portugal.
Jumper Settings
The TS2 interface setting for connecting to the NT1 can be selected using jumpers X100 to X102. Use the jumpers to set:
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Symmetrical lines (120 ohms). Cable C39195-A7608-C1 (10 m long) is shipped with the TS2 board. Cable C39195-A7608-C2 (20 m long) is available for greater distances. To ensure proper operation, use only these cables. |
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Coaxial lines (75 ohms).
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S2M Trunk Connection
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Observe the following when connecting NTs using cable C39195-A7608-Cx:
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Feeding |
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The following applies to systems that are fed exclusively from the site electrical system without USVC (see Figure 3-78): |
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The following applies to systems that have an uninterruptible power supply (see Figure 3-71): The NT must be fed via the -48 V from the PSUI/UPSM (15 W maximum; note the NT power requirement). This ensures that the NT will be supplied with power and the connected S2M will function in the event of a power failure. |
Supplying NTs via S2M in Systems Without USVC
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Supplying NTs via S2M in Systems With USVC
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Cable Set for NT Connections (Spain and Portugal Only)
Set the jumpers on pin connectors X100 to X102 to "symmetrical line (120 ohms)" as shown in the "Jumper Settings" table (page 3-151).
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Connection kit contents and part numbers:
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TS2 connection kit for Spain and Portugal: F50035-E2-X63, containing the following: |
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Interface converter: S30122-X7357-X |
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Cable 1 = Patch cable RJ45, 10 m: C39195-Z7208-A100 |
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Cable 2 (2 units) = coaxial adapter cable, 30 cm: S30267-Z354-A3 |
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TS2 upgrade kit for Portugal: L30252-U600-A190, containing the following: |
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Cable 3 (2 units) = Mini-coaxial cable, 10 cm: S30267-Z353-A1 |
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Hicom 150 H V1.0 - Hicom 150 E Office Rel.2.0-3.0 Service Manual | Siemens Part No.: P31003-M1550-X403-3-7620 | Conversion Date: 2000-08-24 |
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Contact: E-Doku-Team | © Siemens AG 2001 |