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Table D. Specifications - ADTRAN DE-4 U-BR1TE LI Installation And Maintenance Manual

Isdn 2b1q interface for northern telecom channel banks

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Line:
Operating Mode:
Data rate:
Signal Format:
LP (Loop Sync)
LP (Loop CRC)
CR (Carrier Sync)
CR (CarrierCRC)
ACT (Active)
TST (Remote Loopback)
Voltage:
Current:
On card dissipation:
Constant:
Constant:
Height:
Width:
Depth:
Weight:
Mounting:
Temperature:
Humidity:
*Applies to the DE-4 U-BR1TE II w/PWR, L4
61410020L2-5C

Table D. Specifications

Input/Output Signal
2-wire (tip/ring)
Full Duplex
160 kbps; 144 Kbps available to customer
2B1Q
Faceplate Indicators
Red
U-interface is out of sync
Yellow
Loop side NEBE or FEBE
Red
No Framing pattern being received
Yellow
Carrier side NEBE or FEBE
Green
Layer 1 established
Yellow
Downstream has responded to loopback request
Green
Responding to a loopback request from an upstream unit
Power
L2
-48 V
5 V
30 mA
60 mA
2 W maximum
Sealing Current
6-8 mA constant
Repeater Powering Current*
43mA constant
Dimensions
6.2 in.
10.0 in.
1.15 in.
16.0 oz.
Mounts in a Northern Telecom DE-3, DE-4, DE-4E, and DE-4E Smart channel banks
Operating Environment
0˚ - 55˚ C (32˚ - 131˚ F)
To 95%, non-condensation
Section 61410020L2-5, Issue 3
L4*
-48V
5V
118mA
65mA
4 W maximum
7

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