Total Access 850 System Manual
Section 2 Engineering Guidelines
64203376L1-1B
© 2004 ADTRAN, Inc.
49
OCU DP Access Module (P/N 1180005L1)
The OCU DP module is a single port access module used to provide the interface between a DS0 time slot
on the T1 and a 4-wire DDS device at the customer premises. The OCU DP supports up to 18 kft of copper
for remote DSU connectivity. This module is currently only supported by BCU L1 and L2. Table 31 gives
this pinout.
E&M/TO Access Module (P/N 1180402L1)
The E&M/TO module is a single port Ear and Mouth/Transmit Only access module. The primary
application for this module is to provide PBX foreign exchange at the customer premises or tandem central
office applications. The E&M/TO module supports both 2- and 4- wire operation. This module is currently
only supported by BCU L1 and L2. Table 32 gives the E&M/TO module pinout.
The OCU DP Access Module may be used for intra-building networks only. This interface
should not be connected to public networks.
Table 31. OCU DP Pinout
Total Access 850 Slot
T/R RX
T1/R1 TX
1
26/1
27/2
2
30/5
31/6
3
34/9
35/10
4
38/13
39/14
5
42/17
43/18
6
46/21
47/22
The E&M/TO Access Module may be used for intra-building networks only. This interface
should not be connected to public networks.
Table 32. E&M/TO Pinout
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Pin
1
5
9
13
17
21
RING
2
6
10
14
18
22
RING 1
3
7
11
15
19
23
SG LEAD
4
8
12
16
20
24
SB LEAD
Pin
26
30
34
38
42
46
TIP
27
31
35
39
43
47
TIP 1
28
32
36
40
44
48
E LEAD
29
33
37
41
45
49
M LEAD
Summary of Contents for Total Access 850
Page 14: ...Table of Contents Total Access 850 System Manual 14 2004 ADTRAN Inc 64203376L1 1B ...
Page 16: ...Section 1 System Description Total Access 850 System Manual 16 2004 ADTRAN Inc 64203376L1 1B ...
Page 22: ...Section 1 System Description Total Access 850 System Manual 22 2004 ADTRAN Inc 64203376L1 1B ...
Page 224: ...Section 5 DLP 4 Total Access 850 System Manual 224 2004 ADTRAN Inc 64203376L1 1B ...
Page 232: ...Section 5 DLP 6 Total Access 850 System Manual 232 2004 ADTRAN Inc 64203376L1 1B ...
Page 236: ...Section 5 DLP 7 Total Access 850 System Manual 236 2004 ADTRAN Inc 64203376L1 1B ...
Page 244: ...Section 5 DLP 10 Total Access 850 System Manual 244 2004 ADTRAN Inc 64203376L1 1B ...
Page 252: ...Section 5 DLP 13 Total Access 850 System Manual 252 2004 ADTRAN Inc 64203376L1 1B ...
Page 256: ...Section 5 DLP 14 Total Access 850 System Manual 256 2004 ADTRAN Inc 64203376L1 1B ...
Page 264: ...Section 5 DLP 16 Total Access 850 System Manual 264 2004 ADTRAN Inc 64203376L1 1B ...
Page 278: ...Section 6 ADTRAN Utilities Total Access 850 System Manual 278 2004 ADTRAN Inc 64203376L1 1B ...