I/O and Cabling Considerations
Table 3-3. Telco 36-Pin Pinout
Telco
Signal
Telco
Signal
Pin
Name
Pin
Name
Port 1 or 9:
1
XMTn
19
XMTn GND
2
RCVn
20
RCVn GND
Port 2 or 10:
3
XMTn
21
XMTn GND
4
RCVn
22
RCVn GND
Port 3 or 11
5
XMTn
23
XMTn GND
6
RCVn
24
RCVn GND
Port 4 or 12:
7
XMTn
25
XMTn GND
8
RCVn
26
RCVn GND
Port 5 or 13:
9
XMTn
27
XMTn GND
10
RCVn
28
RCVn GND
Port 6 or 14:
11
XMTn
29
XMTn GND
12
RCVn
30
RCVn GND
Port 7 or 15:
13
XMTn
31
XMTn GND
14
RCVn
32
RCVn GND
Port 8 or 16:
15
XMTn
33
XMTn GND
16
RCVn
34
RCVn GND
Note 1: Pins 17, 18, 35 and 36 are not used.
Note 2: The signal definitions are:
Signal
Definition
Type
XMTn
Transmit
Output (From server to terminal)
RCVn
Receive
Input (From terminal to server)
GND
Logic Ground
Common
where n is the port number.
3.3.11 DECconnect Style Modular Splitters
Eight-port and 24-port DECconnect style modular splitters with type MMJ connectors are
available. The splitters are similar to that shown in Figure 3-15. The 8-port splitter requires 1
DECconnect adaptor extension; the 24-port splitter requires 3 DECconnect adaptor extensions.
0021
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