Lab.gruppen LM 44 - Manual (Page 51)

Back Panel Interface
45
Lake LM Series Operation Manual Rev 1.2.8
This single DB25 connection provides four channels of AES3 input and eight channels of AES3 output as
shown in Figure 7-5 on page 43 below. A detailed wiring reference is provided in Figure 7-9.
AES3 Inputs AES3 Outputs
AES1: Ch. 1 & 2 AES1: Ch. 1 & 2
AES2: Ch. 3 & 4 AES2: Ch. 3 & 4
AES3: Ch. 5 & 6* AES3: Ch. 5 & 6
AES4: Ch. 7 & 8* AES4: Ch. 7 & 8
*LM 44 Only
Table 7-1: DB25 Input and Outputs
Figure 7-9 below provides a wiring reference for the DB25 connector.
Ch. Ground Hot Cold
1/2 IN 10 1 14
3/4 IN 10 2 15
5/6 IN 12 3 16
7/8 IN 13 4 17
1/2 OUT 22 5 18
3/4 OUT 23 6 19
5/6 OUT 24 7 20
7/8 OUT 25 8 21
Figure 7-9: DB25 Wiring Reference
Figure 7-5 on page 43 shows the only possible method of wiring; there is no equivalent of an unbalanced
connection in the digital domain.
7.3 RJ45 etherCON Network Connections
Two RJ45 etherCON style network connections are provided as shown in Figure 7-10.