8.PRODUCT SPECIFICATIONS
Product specifications are detailed in Table 4.
Table 5. Total Access 3000 LTU Specifications
Loop Interface |
|
Modulation Type | 2B1Q |
Mode | Full Duplex, Echo Canceling |
Number of Pairs | Two |
Bit Rate | 1168 kbps per pair |
Baud Rate | 584K baud per pair |
Service Range | 2.7 km over 0.4 mm cable;* 4.7 km over 0.5 mm cable* |
Loop Loss | 27 dB maximum @ 150 kHz |
Bridged Taps | 2 Taps, 500 meters maximum each |
Performance | Compliant with ETSI TS 135 101 |
HDSL Tx Signal Level | 13.5 dBm |
Input Impedance | 135 Ω |
Return Loss | 20 dB (40 kHz to 200 kHz) |
Network Interface |
|
2.048 Mbps CCITT G.703 and G.704 compatible | |
E1 Output Level | 0 dB |
Impedance | 75 or 120 Ω |
E1 Core Frame | Method 0, Method 1 (see Section 5) |
E1 Line Code | AMI, HDB3 |
E1 Format | CCS, CAS, Unframed |
E1 Error Checking | CRC4 |
Power |
|
Total Power | |
E1 LTU Power Dissipation | <7 W maximum |
E1 LTU | < .3 A maximum |
Sealing Current | current limited at 10 mA |
Span Power | |
Clock |
|
Clock Sources | Internal, E1 Derived |
Internal Clock Accuracy | + 25 ppm (Stratum 4) |
Tests |
|
Diagnostics | |
Physical |
|
Dimensions | 6 in. (152.4 mm) high x 5/8 in. (15.9 mm) wide x 10 in. (254 mm) deep |
Weight | Less than 1 lb. |
Environment | Operating (Standard): |
Temperature | |
Safety | In conformance with EN41003 and EN60950, IEC 950 |
Overvoltage Protection | In conformance with CCITT K.20 |
EMC | In conformance with EN55022 and EN50082 |
Part Number |
|
Total Access LTU | 1182007L1 |
18 | Section |