| 1 Hardware Description | 
1.5.3 SLC 8CAP Specifications
Table 
| Table  | SLC 8CAP Specifications | |
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| Specification | 
 | Description | 
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| Subscriber ports | 
 | 8 per card | 
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| Transmission speeds | Downstream: up to 7 Mbps | |
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 | Upstream: up to 1 Mbps | 
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| Loop hardware media | Unshielded twisted pair copper wire | |
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| Loop modulation method | ADSL with CAP line code | |
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| Layer 2 format | 
 | ATM (service and subscriber side,  | 
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| ATM virtual circuits supported | Up to 31 per subscriber, numbered 33 through 63 (VPI 0) | |
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| Data channel frequencies | • Upstream: 30 to 200 kHz | |
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 | • Downstream: 240 kHz to 1.5 MHz | 
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| Internal hardware | 
 | • Motorola MC68360 | 
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 | • 1 Mbyte Flash memory | 
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 | • 512 kbyte Flash boot memory | 
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 | • Globespan CAP chip set | 
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 | • Cisco ATM framer | 
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| Dimensions | 
 | 1.17 x 15.75 x 9.75 in | 
| (width x height x depth) | (3.0 x 40.0 x 24.8 cm) | |
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| Weight | 
 | 3 lb (1.36 kg) | 
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| Power consumption | 72W | |
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