| Product Overview VCL-LD, E1 DCME (Digital Circuit Multiplication Equipment) Voice
Compression Equipment provides 30, "toll quality" voice channels using an 8:1
compression ratio, (10:1 without signaling channel) in a bandwidth of 256kbps. The
interface to the local PSTN network is ITU-T G.703, G.704 compliant E1 with signalling
support for R2, CAS (ABCD) Digital Signalling, PRI ISDN (Q.931), SS7 and C7 Signalling.
The VCL-LD, DCME is equipped with an Echo Cancellor (128ms. echo cancellation card).
VCL-LD™
- Digital E1, Voice Compression Equipment (DCME)
(One VCL-LD Terminal shall be required at each end).
Ordering Information
Sr.
No. |
Part # |
Product Description |
Quantity
Per System |
| 1. |
VCL-LD-100 |
VCL-LD, 19 inch shelf - 3U High
(sub-rack) |
1. |
| 2. |
VCL-LD-105 |
VCL-LD, Connectorized Backplane, 3U
High 1. |
1. |
| 3. |
VCL-LD-110 |
-48 VDC Power Supply Card, Shelf
Power Supply Card |
1. |
| 4. |
VCL-EC128 |
E1, Echo-Canceller, 128 ms.
Echo-Cancellation
1, required for every VCL-LD shelf |
1. |
| 5. |
VCL-LD-140 |
E1, Interface card.
Provides ONE uncompressed E1 interface and ONE compressed E1 (fractional E1) interface.
1, required for every VCL-LD shelf |
1. |
| 6. |
VCL-LD-130 |
DS-0, Card,
Aggregates 10 compressed voice channels to a DS-0
(64Kbps time-slot).
3, required for every VCL-LD shelf |
3. |
| 7. |
VCL-LD-120 |
Voice Compression Card
Dual channel voice compression card.
15, required for every VCL-LD shelf |
15. |
| |
VCL-LD™ |
Complete - VCL-LD, E1 Voice
Compression Terminal |
|
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