EMC12 ETC2 [List of Unclassifed Manufacturers], EMC12 Datasheet - Page 40

• Manufacturer Part Number: EMC12
• Description: Audio Interface for the EmPack System
• Manufacturer: ETC2 [List of Unclassifed Manufacturers]

1.5.3 I/O Jumper Settings
For each of the 12 CODEC channels, there are two jumper blocks that configure the analog I/O circuitry.
Figure 5 shows a diagram representing one section of the EMC12 PCB. This section is repeated 12
times in a 2 x 6 array on the board near the front audio connector.
One jumper block is 4x2 and is used as follows:
The second jumper block is 2x2 and is used as follows:
09 Jan 2006
Figure 1-5: CODEC Channel Jumper PCB Section
Jumper Pair
Jumper Pair
1-2
2-4
5-6
3-5
5-7
6-8
1-2
3-4
Communication Automation Corporation
Table 1-24: 2 x 2 Jumper Block
Table 1-23: 4 x 2 Jumper Block
EMC12 Hardware Reference Manual
2
Input Terminated with 604 Ohms
AC Coupled Single-Ended Input
DC Coupled Single-Ended Input
1
1
DC Differential Input
Single-Ended Output
Single-Ended Input
Microphone Power
DC Coupled Input
Function
Function
2
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