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3.3.10 STMD8

Introduction

The STMD8 board (subscriber and trunk module digital S0) provides eight S0 ports in Hicom 150 E OfficePro, which can be used

for S0 trunk connections (via NT) (not for U.S.)
for an for point-to-point or point-to-multipoint connection (S0 bus) to the central office (not for U.S.)
for S0 networking via S0 lines (CorNet-N or QSig) (not for U.S.)
for an S0 bus for connecting ISDN terminals (separate power supply required)

Switches and LEDs

Figure 3-42 STMD8 (S30810-Q2558-Xxxx)

LED Statuses and Their Meanings

LED H300 (see Figure 3-42): Reference clock display (clock is generated if this feature has been configured using Hicom Assistant E Office.)
On: Reference clock for clock generator is generated.
Off: No reference clock
LEDs H301 to H308 (see Figure 3-42)

Table 3-44 STMD8- LED Statuses (H301 to H308)

LED Status 
(on/off) 
Meaning 
Action 
During the Boot Phase and Initialization 
Flickering
(50/50 ms) 
Board test not successful 
Replace board 
Flashing
(100/100 ms) 
Board not configured 
Inspect visually; remove and re-seat board if required. 
Replace board if flashing continues. 
On 
Loading in progress 
 
Flashing
(100/100 ms) 
Code could not be loaded 
Replace board 
Off 
Board loaded 
 
Flashing
(500/500 ms) 
Board loaded, but not yet activated 
 
During Operation 
On 
ISDN layer 2 activated 
 
Flickering
(450/50 ms) 
Dependability test (loopback test) in progress 
 
Flashing
(500/500 ms) 
Board is out of service (e.g. S300/x "closed") 
Check whether the board was deactivated using Hicom Assistant E Office or lockout switch. 
Off 
ISDN layer 2 not activated 
 

S0 trunk Connection (Not for U.S.)
 
Table 2-7 on page 2-18 lists examples of maximum line lengths for connecting trunks. 

Figure 3-43 S0 Trunk Connection (Not for U.S.)

Figure 3-44 S0 Connection to NT (Not for U.S.)

 
Not for U.S.: When starting up S0 ports during operation with PABXs, it is important to ensure that the NT switch is in the POINT-TO-POINT position.  

Point-to-Point or Point-to-Multipoint Connection

Point-to-multipoint connection (available in Release 2.2 SMR-G and later)
You can connect OfficePro on an ISDN multi-device connection (S0 bus) to the central office, allowing you to use it simultaneously with other ISDN devices on the same connection.
Note the following:
Maintain the correct polarity on the T/R wires.
The phone company assigns an 11-digit DID number (MSN or multiple subscriber number) for telephones to be connected to the S0 bus. There are usually at least three MSNs per basic access.
When setting the system-wide ISDN parameters, select DSS1 trunk PMP under Port configuration (code 20 4 1) for the port you are using.
Enter the MSN in the table for DID numbers. For each MSN assigned, callers can directly dial a station, group, or hunt group in the OfficePro system.
Leave the System number parameter unchanged.
Always configure Hicom 150 E OfficePro as the last station on the S0 bus because terminating resistors (2 x 100 ) are permanently installed in the trunk connection of the communications server. Remove any terminating resistors from the last socket.
Point-to-point connection
Use a point-to-point connection if you have a dedicated line (trunk/tie circuit) or to extend the range if only one telephone is connected to the S0 bus.

S0 Networking (Not for U.S.)
 
For examples of the maximum cable lengths for direct CorNet-N networking, refer to Table 2-7 on page 2-18.  

Figure 3-45 S0 Networking Options (Not for U.S.)

S0 Bus for Connecting ISDN Telephones (Not for U.S.)

Figure 3-46 S0 bus to the STMD8 via the MDFU or MDFU-E (Not for U.S.)

Figure 3-47 Jack Pin Assignments

S0 Bus-Example of Wall Jack Assignment (Not for U.S.)

Figure 3-48 S0 Bus-Example of Wall Jack Assignment (Not for U.S.)

 
ISDN terminals can also be connected to optiset E telephones (except for entry and standard) using an optiset E ISDN Adapter (permissible configurations are listed in Section 9.3.2.15 on Page 9-27).  

Cable and SU Connector Assignment (Backplane) (Not for U.S.)

Table 3-45 STMD8-Cable Assignment (Not for U.S.)

Color
Group 
Pair 
a-Wire 
b-Wire 
SU Conn. 
STMD8 
Notes 
BP: X8 
wht/blu 
 
19 
1Ea 
Basic
access 1 
Receive
(3/4 TAE8/4/5 RJ45) 
 
blu/wht 
39 
1Eb 
wht/ora 
 
38 
1Sa 
Transmit
(6/5 TAE8/3/6 RJ45) 
 
ora/wht 
48 
1Sb 
wht/grn 
 
27 
2Ea 
Basic
access 2 
Receive
(3/4 TAE8/4/5 RJ45) 
 
grn/wht 
47 
2Eb 
wht/brn 
 
16 
2Sa 
Transmit
(6/5 TAE8/3/6 RJ45) 
 
brn/wht 
46 
2Sb 
wht/gry 
 
05 
3Ea 
Basic
access 3 
Receive
(3/4 TAE8/4/5 RJ45) 
 
gry/wht 
45 
3Eb 
red/blu 
 
14 
3Sa 
Transmit
(6/5 TAE8/3/6 RJ45) 
 
blu/red 
44 
3Sb 
red/ora 
 
23 
4Ea 
Basic
access 4 
Receive
(3/4 TAE8/4/5 RJ45) 
 
ora/red 
43 
4Eb 
red/grn 
 
32 
4Sa 
Transmit
(6/5 TAE8/3/6 RJ45) 
 
grn/red 
42 
4Sb 
red/brn 
 
11 
5Ea 
Basic
access 5 
Receive
(3/4 TAE8/4/5 RJ45) 
 
brn/red 
31 
5Eb 
10 
red/gry 
 
02 
5Sa 
Transmit
(6/5 TAE8/3/6 RJ45) 
 
gry/red 
22 
5Sb 
11 
blk/blu 
 
13 
6Ea 
Basic
access 6 
Receive
(3/4 TAE8/4/5 RJ45) 
 
blu/blk 
33 
6Eb 
12 
blk/ora 
 
04 
6Sa 
Transmit
(6/5 TAE8/3/6 RJ45) 
 
ora/blk 
24 
6Sb 
13 
blk/grn 
 
15 
7Ea 
Basic
access 7 
Receive
(3/4 TAE8/4/5 RJ45) 
 
grn/blk 
35 
7Eb 
14 
blk/brn 
 
06 
7Sa 
Transmit
(6/5 TAE8/3/6 RJ45) 
 
brn/blk 
26 
7Sb 
15 
blk/gry 
 
17 
8Ea 
Basic
access 8 
Receive
(3/4 TAE8/4/5 RJ45) 
 
gry/blk 
37 
8Eb 
16 
yel/blu 
 
08 
8Sa 
Transmit
(6/5 TAE8/3/6 RJ45) 
 
blu/yel 
28 
8Sb 
Group 
Pair 
Tip 
Ring 
SU Conn. 
STMD8 
Notes 
BP: X8 

Cable and Connector Assignment (Backplane) (for U.S. Only)

Table 3-46 STMD8 Module-Cable Assignment (for U.S. Only)

Pair 
Color Code 
BackplaneConnector Pins 
STMD8 
 
Pair 
Color Code 
BackplaneConnector Pins 
STMD8 
wht/blu 
26 
Receive 
Port 1 
 
red/brn 
34 
Receive 
Port 5 
blu/wht 
Receive 
brn/red 
Receive 
wht/ora 
27 
Transmit 
10 
red/slat 
35 
Transmit 
ora/wht 
Transmit 
slat/red 
10 
Transmit 
wht/grn 
28 
Receive 
Port 2 
11 
blk/blu 
36 
Receive 
Port 6 
grn/wht 
Receive 
blu/blk 
11 
Receive 
wht/brn 
29 
Transmit 
12 
blk/ora 
37 
Transmit 
brn/wht 
Transmit 
ora/blk 
12 
Transmit 
wht/slat 
30 
Receive 
Port 3 
13 
blk/grn 
38 
Receive 
Port 7 
slat/wht 
Receive 
grn/blk 
13 
Receive 
red/blu 
31 
Transmit 
14 
blk/brn 
39 
Transmit 
blu/red 
Transmit 
brn/blk 
14 
Transmit 
red/ora 
32 
Receive 
Port 4 
15 
blk/slt 
40 
Receive 
Port 8 
ora/red 
Receive 
slt/blk 
15 
Receive 
red/grn 
33 
Transmit 
16 
yel/blu 
41 
Transmit 
grn/red 
Transmit 
blu/yel 
16 
Transmit 

Note: Pairs 17 through 25 are not used.

Connecting ISDN Terminals to OfficePro (for U.S. Only)

S0 Bus With RJ45 Jack

To connect ISDN terminals, you must change the signal order so that the transmit wires are on the inside and the receive wires are on the outside, as shown in Figure 3-49 on page 3-122.

To do so, jumper the four wires on the provided line cord to the pins for the STMD8 ports on the main distribution frame (MDF).

The ISDN terminals must have their own local power supply. Refer to Section 9.6.1, General S0 Wiring (for U.S. Only) for information on setting up an S0 bus.

S0 Bus Wiring From STMD8 Port on MDF or From optiset E ISDN adapter (for U.S. Only)

Figure 3-49 S0 Bus Wiring From STMD8 Port or ISDN adapter (for U.S. Only)

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