Line Interface Modules
Serial I/O (SI-2C/SI-4C) LIM Overview
5-30
Xedge 6000 Hardware
032R440-000
Installation & Setup Guide
Issue 17
Front Panel Connectors
The SI-2C and SI-4C LIM front panels provide two or four 26-pin high density connectors, one for
each link. An EIA 530-A Alternate A (female) connector is used for each input link.
lists
the pin/signal designations for the SI-2C/SI-4C LIM front panel connectors. The pin-outs for all
connectors are the same.
Table 5-11
SI-2C Pinout Description
Pin Number
Signal Name
1
SHIELD
2
BA(A), Tran Data
3
BB(A), Rec Data
4
CA(A), Req to Send
5
CB(A), Clr to Send
6
CC, DCE Rdy
7
AB, Signal Common
8
CF(A), Rec Line Signal Det
9
DD(B), DCE Rec Timing
10
CF(B)
11
DA(B), DTE Tran Timing
12
DB(B), DCE Tran Timing
13
CB(B)
14
BA(B)
15
DB(A)
16
BB(B)
17
DD(A)
18
LL, Local Loopback
19
CA(B)
20
CD, DTE Rdy
21
RL, Remote Loopback
22
CE, Ring Ind
23
AC, Signal Common
24
DA(A)
25
TM, Test Mode
26
Not Connected