Telect Network Card BCS II User Manual

®
®
BCS II SIMPLEX REPEATER  
USER MANUAL  
117209-1 A0  
 
Contents  
1 Descriptions  
BCS II Simplex Repeater .............................................. 1-1  
Features .................................................................. 1-1  
Specifications ................................................................ 1-1  
Electrical................................................................. 1-1  
Power...................................................................... 1-1  
DS3 Input ............................................................... 1-2  
DS3 Output............................................................. 1-2  
E3 Input.................................................................. 1-2  
E3 Output ............................................................... 1-2  
STS-1 Input ............................................................ 1-3  
STS-1 Output.......................................................... 1-3  
Alarms .................................................................... 1-3  
Environmental........................................................ 1-4  
Dimensions............................................................. 1-4  
Schematic ............................................................... 1-5  
System-Level Application...................................... 1-6  
2 Installation  
Installation Considerations............................................ 2-1  
Location and Space ................................................ 2-2  
Tools and Equipment ............................................. 2-2  
Power...................................................................... 2-2  
Technical Support .................................................. 2-2  
Inspection ...................................................................... 2-2  
Installing the Repeater................................................... 2-3  
117209-1 A0  
 
iii  
3 Operation  
Monitoring .....................................................................3-1  
Loopbacks......................................................................3-1  
Patching .........................................................................3-2  
4 Service  
Owner Maintenance.......................................................4-1  
Replacing the Tracer Lamp LED............................4-1  
In Case Of Difficulty .....................................................4-2  
Technical Support...................................................4-2  
In-Warranty Service.......................................................4-2  
Out-Of-Warranty Service ..............................................4-3  
Repacking For Shipment ...............................................4-3  
iv  
Telect, Inc.  
117209-1 A0  
 
1
Descriptions  
BCS II SIMPLEX REPEATER  
The Broadband Connectivity System II (BCS II) Simplex Repeater (part  
# 710-3201-0002) regenerates DS3, E3, and STS-1 signals to allow in-  
creased separation of network elements and provides full DSX function-  
ality. The module installs in any vertical BCS II chassis or in the Vector  
chassis and is always installed in pairs.  
Features  
Full signal regeneration to equal level point on each circuit  
Mini-WECO monitor and I/O jacks  
Alarm and tracer lamp LEDs  
Full DSX functionality, including patching, monitoring and loop-  
backs  
SPECIFICATIONS  
Electrical  
Monitor Level: 20 dB + 1.5 dB below signal level  
Return Loss: < -24 dB at DS3 signal rate  
Impedance: 75(+/- 5%)  
Power  
Battery Input: A and B redundant, -42 to -58 Vdc  
Input Current: 35 mA nominal @ 48V  
Internal Fuse: 1/4 amp, not field replaceable  
117209-1 A0  
 
1-1  
1 Descriptions  
BCS II Simplex Repeater User Manual  
DS3 Input  
Data Rate: 44.736 Mb/s + 100 ppm  
Data Format: Bipolar with B3ZS coding  
Jitter Tolerance: Meets requirements of Telcordia GR-499-CORE, Is-  
sue 1, December, 1995  
Equalization: Selectable normal or high sensitivity receive equaliza-  
tion, based on receive cable length  
DS3 Output  
Data Rate: Same as input signal, transmit clock is recovered from in-  
put signal. Under AOS condition (no valid input): 44.736 Mb/s + 100  
ppm  
Data Format: Bipolar with B3ZS coding, input bipolar violations are  
transparent to output  
Pulse Shape: Complies with Telcordia GR-499-CORE, Issue 1, De-  
cember, 1995. Pulse plate complies with ANSI T1.404 pulse template  
LBO: Selectable DSX Level or DS3 High Output  
E3 Input  
Data Rate: 34.368 Mb/s + 100 ppm  
Data Format: AMI with HDB3 coding  
Jitter Tolerance: Meets ITU-T G.832, 1993 requirements  
Equalization: Selectable normal or high sensitivity receive equaliza-  
tion, based on receive cable length  
E3 Output  
Data Rate: Same as input signal, transmit clock is recovered from in-  
put signal  
Data Format: AMI with HDB3 coding  
Pulse Shape: Complies with ITU-T G.703  
LBO: Fixed transmit level  
1-2  
Telect, Inc.  
117209-1 A0  
 
BCS II Simplex Repeater User Manual  
1 Descriptions  
STS-1 Input  
Data Rate: 51.84 Mb/s + 100 ppm  
Data Format: Bipolar with B3ZS coding  
Jitter Tolerance: Meets Telcordia GR-499-CORE, Issue 1, December,  
1995 requirements  
Equalization: Selectable normal or high sensitivity receive equaliza-  
tion, based on receive cable length  
STS-1 Output  
Data Rate: Same as input signal, transmit clock is recovered from in-  
put signal  
Data Format: Bipolar with B3ZS coding  
Pulse Shape: Complies with Telcordia GR-CORE-253  
LBO: Selectable DSX Level or STS-1 High Output  
Alarms  
Relay contacts rated for 2 amps maximum.  
ALARM OUTPUTS, LEDs  
CONDITION  
RCV LED GREEN / XMIT  
LED GREEN / ALARM CON-  
TACTS OPEN  
NORMAL: VALID INPUT SIGNAL  
RCV LED RED / XMIT LED  
AMBER / MAJ ALARM CON-  
TACT CLOSED  
LOSS OF VALID INPUT SIGNAL /  
ALL ONES SIGNAL AUTOMATI-  
CALLY TRANSMITTED  
XMIT LED RED / MAJ  
TRANSMITTER FAILURE  
ALARM CONTACT CLOSED  
ALL FRONT PANEL LEDS  
OFF / PWR FAIL ALARM  
CONTACT CLOSED  
FAILURE OF INTERNAL POWER  
CONVERTER OR LOSS OF  
BOTH BATTERY INPUTS  
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1-3  
1 Descriptions  
BCS II Simplex Repeater User Manual  
Environmental  
Humidity: 95% relative humidity, noncondensing  
Temperature: Operational from 0-50°C  
Heat Dissipation: 5.7 BTUs/hour  
Dimensions  
6.84 in.  
17.37 cm  
3.90 in.  
9.91 cm  
0.65 in.  
1.65 cm  
1-4  
Telect, Inc.  
117209-1 A0  
 
BCS II Simplex Repeater User Manual  
1 Descriptions  
Schematic  
117209-1 A0  
1-5  
 
1 Descriptions  
BCS II Simplex Repeater User Manual  
System-Level Application  
The simplex repeater regenerates DS3, E3, and STS-1 signals to equal  
level point over a distance of up to 900 ft (using RG-59/734 cable). Two  
repeaters are required to regenerate both the send and receive sig-  
nals and complete the cross-connect.  
The repeater regenerates the signal that appears on the IX port and trans-  
mits it out the I port for a length dependent upon the type of cable used.  
See the installation section to set the module jumpers based on cable  
length.  
The OX and O ports are passive; therefore, a second repeater is required  
to regenerate and transmit the signal in the other direction. Each net-  
work element can be located up to 900 ft from the far end repeater’s IX  
port.  
Up to 900 ft (using RG-59/734)  
Simplex  
Repeater  
Simplex  
Repeater  
NE 1  
NE 2  
I
IX  
IX  
I
RX  
TX  
RX  
TX  
OX  
O
OX  
O
Up to 900 ft (using RG-59/734)  
1-6  
Telect, Inc.  
117209-1 A0  
 
2
Installation  
INSTALLATION CONSIDERATIONS  
CAUTION  
!
CAUTION! This product must be installed and maintained  
only by qualified technicians.  
VORSICHT! Nur von qualifizierten Technikern installiert wer-  
den und instand gehalten werden.  
PRECAUCIÓN! Ser instalado y ser mantenido solamente por  
los técnicos autorizados.  
ATTENTION! Ce produit doit être installé et entretenu  
uniquement par des techniciens qualifiés.  
ALERT  
!
ALERT! These instructions presume you have verified that  
the Telect equipment being installed is compatible with the  
rest of the system, including power, ground, circuit protec-  
tion, signal characteristics, equipment from other vendors,  
and local codes or ordinances.  
ALERT  
!
ALERT! This repeater module contains static-sen-  
sitive components. To prevent equipment damage,  
wear a properly connected grounding strap while  
handling the module and store it in its original anti-  
static bag when not in use.  
117209-1 A0  
 
2-1  
2 Installation  
BCS II Simplex Repeater User Manual  
Location and Space  
The BCS II Simplex Repeater module occupies one slot in any vertical  
BCS II chassis or in the Vector chassis. Do not install more than five re-  
peater modules in a BCS II chassis. The Vector Chassis can be fully  
populated with repeaters. You must install two repeaters to complete  
the cross-connect, one repeater for each network element.  
Tools and Equipment  
No special tools or equipment are required. Wear a grounding strap dur-  
ing installation.  
Power  
–42 Vdc to –58 Vdc power reaches the module through the backplane  
connector on the chassis. Power to the backplane connector block is de-  
livered from the power distribution panel using 16–22 AWG wire. See  
the chassis user manual for additional information on power transmis-  
sion. Because the repeater is an active product, Telect recommends us-  
ing a dual feed power source.  
Technical Support (USA)  
By e-mail: [email protected]  
By phone: 888-821-4856 or 509-921-6161  
INSPECTION  
Compare the contents of the shipping container with the packing list.  
Call Telect if you are missing anything.  
NOTE  
Telect is not liable for shipping damage.  
If the shipping container is damaged, keep it for the carriers inspec-  
tion. Notify the carrier and call Telects Customer Service Department:  
1-800-551-4567 or 1-509-926-6000  
Keep the container until you have checked equipment operation. If you  
experience any kind of problem, call Telects Customer Service Depart-  
ment. Use the original, undamaged container if you are instructed to re-  
turn the product to Telect.  
2-2  
Telect, Inc.  
117209-1 A0  
 
BCS II Simplex Repeater User Manual  
2 Installation  
INSTALLING THE REPEATER  
1.  
2.  
Identify the two network elements you wish to cross-connect.  
Plan placement of the two repeater modules in relay racks, ensur-  
ing:  
the distance between the network element and the repeater is  
correct for the system, cables in use and office procedures.  
This can be up to 450 feet.  
the two repeater modules will not be more than 900 feet apart.  
3.  
4.  
5.  
While wearing a grounding strap, remove the repeaters from their  
anti-static bags, touching the module edges only.  
Set the jumpers on each module for the appropriate data rate, as  
shown below (factory setting is T3).  
Set the jumpers for the transmit and receive distances, as shown  
below (factory settings are Low and Short). See the tables on the  
next page to determine the settings appropriate for the type of ca-  
ble being used.  
Jumper Settings  
Data Rate  
STS-1  
1 2 3 4  
E3  
T3 (DS3)  
(Default)  
1 2 3 4  
1 2 3 4  
Transmit  
High  
Low  
(Default)  
1 2 3  
1 2 3  
Receive  
Long Short  
(Default)  
1 2 3  
1 2 3  
NOTE  
Transmit and Receive settings are for distance from repeater to network  
element (or next repeater) only.  
117209-1 A0  
 
2-3  
2 Installation  
BCS II Simplex Repeater User Manual  
Transmit Settings by Cable Type  
Repeater to NE  
distance (feet)  
Cable  
Setting  
0-124  
124-255  
0-212  
Low  
High  
Low  
High  
Low  
High  
Low  
High  
Low  
High  
720  
728  
212-425  
0-224  
734  
224-450  
0-112  
735  
112-225  
0-224  
RG-59  
224-450  
Receive Settings by Cable Type  
Cross-connect  
Cable  
Setting  
distance (feet)  
0-124  
Short  
Long  
Short  
Long  
Short  
Long  
Short  
Long  
Short  
Long  
720  
124-255  
0-212  
728  
212-425  
0-224  
734  
224-450  
0-112  
735  
112-225  
0-224  
RG-59  
224-450  
2-4  
Telect, Inc.  
117209-1 A0  
 
BCS II Simplex Repeater User Manual  
2 Installation  
6.  
Slide each module into the appropriate chassis slot and press it  
firmly into the backplane connector.  
7.  
8.  
Secure each module with the included screw.  
Follow the diagram below to connect two network elements.  
Simplex Repeater  
LBO Settings  
Distance  
Distance  
Distance  
A
B
C
I
I
NE  
NE  
IX  
IX  
RX  
RX  
O
O
TX  
TX  
OX  
OX  
SIMPLEX  
REPEATER  
710-3201-0002  
SIMPLEX  
REPEATER  
710-3201-0002  
Each network element can be located up to 900ft. from the far end repeaters IX port.  
(using RG-59/734)  
Repeater  
Repeater  
to NE  
to  
Transmit Repeater  
Receive  
distance FIGURE LBO  
distance FIGURE LBO  
Distance Setting (feet) Distance Setting  
A or C SHORT 0-124  
(feet)  
CABLE  
720  
0-124  
124-255  
0-212  
212-425  
0-224  
224-450  
0-112  
112-225  
0-224  
224-450  
B
B
B
B
B
B
B
B
B
B
SHORT  
LONG  
A or C LONG  
124-255  
A or C SHORT 0-212  
SHORT  
LONG  
728  
734  
A or C LONG  
212-425  
A or C SHORT 0-224  
SHORT  
LONG  
A or C LONG  
224-450  
A or C SHORT 0-112  
SHORT  
LONG  
735  
A or C LONG  
112-225  
A or C SHORT 0-224  
SHORT  
LONG  
RG-59  
A or C LONG  
224-450  
9.  
Install backplane tracer lamp wire between the two repeaters and  
verify both tracer lamp LEDs light.  
10. Install designation strips and label them using office standards.  
11. Test circuits per office standards.  
117209-1 A0  
 
2-5  
 
3
Operation  
MONITORING  
You can perform non-intrusive signal monitoring by connecting your  
test equipment to the front monitor jack (labeled M).  
Monitor Jack  
Test  
Equipment  
LOOPBACKS  
To temporarily loop the repeater’s OUT port to its IN port, fully insert a  
mini-WECO looping plug into the I/O jacks.  
117209-1 A0  
 
3-1  
3 Operation  
BCS II Simplex Repeater User Manual  
PATCHING  
You can establish temporary patches using the I/O jacks on the front  
faceplate, as shown below. This operation is intrusive and will interrupt  
the cross-connect, routing the signals through the patch cords.  
OX  
IX  
O
OX  
IX  
O
I
Network  
Element  
Repeater  
Network  
Element  
Repeater  
or DSX  
3-2  
Telect, Inc.  
117209-1 A0  
 
4
Service  
CAUTION  
!
CAUTION! This product must be installed and maintained  
only by qualified technicians.  
VORSICHT! Nur von qualifizierten Technikern installiert wer-  
den und instand gehalten werden.  
PRECAUCIÓN! Ser instalado y ser mantenido solamente por  
los técnicos autorizados.  
ATTENTION! Ce produit doit être installé et entretenu  
uniquement par des techniciens qualifiés.  
OWNER MAINTENANCE  
Telect’s BCS II Simplex Repeater module does not need preventive  
maintenance. The only part you can replace is the tracer lamp LED.  
Replacing the Tracer Lamp LED  
1.  
2.  
Pull the defective LED straight out with your fingers.  
Align the replacement LED with the LED socket in the faceplate.  
Notice that the socket is keyed, and the LED enters only one way.  
ALERT  
ALERT! Do not bend the LED’s two metal leads.  
3.  
Gently insert the LED into the socket, as shown on the next page.  
If you encounter resistance, do not force the LED into position.  
Move it until it slides easily into the jack module.  
117209-1 A0  
4-1  
 
4 Service  
BCS II Simplex Repeater User Manual  
Flat surface of LED to  
flat surface of socket  
Leads  
LED  
4.  
5.  
When the LED snaps into place, the installation is complete.  
To test the new LED, insert a plug into the “M” (monitor) jack.  
The LED flashes for about 30 seconds, then lights steadily.  
IN CASE OF DIFFICULTY  
If problems occur after initial installation, check all cable connections  
and the installation instructions in Chapter 2.  
Technical Support  
By e-mail: [email protected]  
By phone: 888-821-4856 or 509-921-6161  
IN-WARRANTY SERVICE  
Contact your Telect equipment distributor, or call a Telect Customer  
Service Representative:  
1-800-551-4567  
1-509-926-6000  
Telect will repair or replace defective products within the limits of the  
warranty. See “Repacking for Shipment” in this section.  
NOTE  
Call a Customer Service Representative for a Return Material Authori-  
zation (RMA) before returning any equipment.  
4-2  
Telect, Inc.  
117209-1 A0  
 
BCS II Simplex Repeater User Manual  
4 Service  
OUT-OF-WARRANTY SERVICE  
The procedure for out-of-warranty service is the same as for in-warranty  
service, except that Telect charges a processing fee, and you must sub-  
mit a Purchase Order along with a Return Material Authorization  
(RMA) before returning equipment. Call a Customer Service Represen-  
tative for help getting these forms.  
The processing fee guarantees a repair estimate and is credited against  
actual material and labor costs.  
REPACKING FOR SHIPMENT  
1.  
Tag the equipment with owner’s name, address, and telephone  
number, together with a detailed description of the problem.  
2.  
Use the original shipping container if possible. If you do not have  
it, package the equipment in a way to prevent shipping damage.  
Include the RMA inside the container and legibly print the RMA  
number on the outside of the package, near the shipping address.  
3.  
Insure the package.  
NOTE  
Telect is not liable for shipping damage.  
117209-1 A0  
4-3  
 
 
 
 

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