T-1 Monitor and active tapping device
Unit supplied with two screw terminals,
The DCB T-Monitor uses 4-wire repeater technology to provide a monitor point for T1 or E1 lines. The T-Monitor is based on the field proven DCB T-Extender. The T-Monitor uses repeater circuits on all data paths. This active repeater function is superior to simple passive monitor devices. For some T1 and E1 circuits, the double termination of passive monitor devices will attenuate the signal enough to generate data errors. The T-Monitor units are the solution to this attenuation problem. The Monitor units provide both electrical isolation and actively repeat the signal.
The circuitry is rated to -36 dB dynamic range at the T-1 rate of 1.544 Mbps. Solid copper 22 AWG, two twisted pair is the preferred cable for connection between the units, and all T1 equipment (We do not recommend CAT5 cable). Connection to the Monitor is made through RJ48(RJ-45) modular connectors or 4-wire screw down barrier strips. Each Monitor comes standard with three screw down barrier strips and two RJ48 connectors. If only RJ48 connections are desired extra RJ48 adapters (part number 9502122 to connect to telco, 9502172 to connect to customer equipment) may be ordered.
The DCB T-Monitors are normally powered by a small wall-mount transformer. Power supply options include 120/240 VAC, 12, 24, 48 or 125 VDC. Rack mount options include a 1U 3-unit shelf and a 20 slot rack.
The T-Monitors are transparent to the type of data sent over the T-1 link. The data can be D-4 format,AMI, ESF, PRI, etc.
Actively repeats T1 bi-polar signals
Two twisted pair solid copper 22 or 24 AWG; standard telco T1 cable if UTP category rated cable is used, CAT 3 is recommended.
We do NOT recommend CAT 5 cable. Although it often works well, CAT 5 cable has been shown to cause problems with many T1 installations.
Front panel power LED
|RJ48 modular||# 9502122||# 9502172||Pin 1||In - Receive||Out Transmit|
|Pin 2||In - Receive||OutTransmit|
|Pin 4||Out - Transmit||In Receive|
|Pin 5||Out - Transmit||In Receive|
|R4-Wire barrier strip||# 5003011||Pin 1||In - Receive|
|Pin 2||In - Receive|
|Pin 3||Out -Transmit|
|Pin 4||Out -Transmit|
|RJ48 modular||# 9502122||# 9502172||Pin 1||Out - Transmit Left Port||Out - Transmit Right Port|
|Pin 2||Out - Transmit Left Port||Out - Transmit Right Port|
|Pin 4||Out - Transmit Right Port||Out - Transmit Left Port|
|Pin 5||Out - Transmit Right Port||Out - Transmit Left Port|
|R4-Wire barrier strip||# 5003011||Pin 1||Out -Transmit Left Port|
|Pin 2||Out -Transmit Left Port|
|Pin 3||Out -Transmit Right Port|
|Pin 4||Out -Transmit Right Pair|
5.5" x 7.5" x 1.5" 100 ohm T1 DSX-1 interface 2 lbs including wall transformer 120 VAC external wall transformer supplied Optional 240 VAC, 12, 24, 48, 125 VDC options available 30 ma -40 to +70 C operating temperature Operating Humidity: < 95% non-condensing
T-1 Cables and Cross-Talk We receive many questions about what kind of cable works best for T-1 installations. Many people mistakenly believe Cat-5e or Cat-6 LAN cable works well. Here's the scoop... a technical discussion about why you should use real T-1 cable for every T-1 installation, and some manufacturer's part numbers. T-1 Cables and Cross Talk
|One RJ-45 connector and two screw terminal connectors are included with each T-Extender.|
|Item Number||Description||Price||Buy Now!|
|T-Monitor||T-1 Line monitor w/ 120VAC power input||$ 595||Qty:|
|T-Monitor/12VDC||T-1 Line monitor w/ 9-18 VDC power input||$ 670||Qty:|
|T-Monitor/24VDC||T-1 Line monitor w/ 19-36 VDC power input||$ 670||Qty:|
|T-Monitor/48VDC||T-1 Line monitor w/ 36-72 VDC power input||$ 670||Qty:|
|9501030||External 125 VDC power supply for standard T-Monitor||$ 125||Qty:|
|9500095||T-1 RJ45 straight through cable||$ 12||Qty:|
|9500099||T-1 RJ45 crossover cable||$ 12||Qty:|
|9502122||Additional RJ adapter||$ 12||Qty:|
|9502172||Additional RJ adapter||$ 12||Qty:|
|5003011||Additional screw terminal adapter||$ 12||Qty:|
|TMON-KIT||T-Monitor installation accessory kit||$ 49||Qty:|
|9500106||T-1 loopback plug, RJ-45/48C||$ 5||Qty:|
|9902095||19" rack shelf for 1 to 3 T-Monitors||$ 75||Qty:|
|L-1||20 slot 19" rack chasis||$ 1,500||Qty:|
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