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ADCP-61-743 • Issue 3 • September 2004
Page 29
© 2004, ADC Telecommunications, Inc.
Table 4. TL1 Commands Used for the RTAU
COMMAND DESCRIPTION
CHG-ACCMD-T1 Change Access Mode T1
CHG-LPBK-T1 Change Loopback T1
CHG-TSTSIG-T1 Change Test Signal T1
CONN-TACC-T1 Connect Test Access T1
DISC-MEAS Disconnect Measurement
DISC-TACC Disconnect Test Access Metallic/Digital
DISC-TSTSIG Disconnect Test Signal
MEAS-SIG-T1 Measure Signal T1
REPT-RSLT Report Result
TST-INSERRBITS Test Insert Error Bits
7 SPECIFICATIONS
The technical specifications for the RTAU modules are given in Table 5.
Table 5. RTAU Specifications
PARAMETER SPECIFICATION REMARKS
Input Power
Input Current (Max.) 175 mA at –48 Volts
Input Current (Nominal) 100 mA at –48 Volts
Input Voltage (Nominal) –48 Vdc
Input Voltage Range –42 to –60 Vdc
Power Consumption /
Dissipation (Max.)
8.2 watts
DS1 Jack Access
Electrical Interface Bipolar
Termination 100 ohms nominal ± 5%
Jack Type Bantam
Line Code AMI or B8ZS Controlled by front panel switch
Line Rate 1.544 Mbps ± 130 ppm max.
Dimensions
Height × Width × Depth 9.5 × 9.9 × 1.0 inches
(24.1 × 25.1 × 2.5 cm)
Weight 12 oz. (.34 kg)
Environment
Operating Temperature –40° to 149° F (–40° to 65° C)
Storage Temperature –40° to 158° F (–40° to 70° C)
Relative Humidity (Operating) 5% to 95% No condensation
Altitude (Operating
or Non-operating)
–1,312 to + 14,764 ft.
(–400 to +4,500 m)