Verilink DIDCSU 2912 (880-502646-001) Product Manual - Manual (Page 12)

DIDCSU 2912 Overview
1-6 Verilink DIDCSU 2912 User Manual
• External timing source input—The 8-pin mini-DIN connector
optionally receives a square wave signal from an external
timing device. For T1 versions this clock must be at 1.544
Mbit/s, for E1 versions it must be at 2.048 Mbit/s.
T1 CIMs The DS-1 CIM 29010 and the DS-1 CIM 29011 support dual RJ-48C
network port connectors and dual V.35 or EIA 530/RS-449
equipment connectors, respectively.
Figure 1-3 T1 CIM Configurations
NOTE: Data Ports use mini-D-sub 26-pin connectors. They require
adapter cables to properly interface with native connectors.
See Table 1-2 .
E1 CIMs E1 CIMs provide the following connectors:
• Two E1 line ports (either coaxial, DE-9, or RJ-45 connectors)
• Two data port connections of various protocols (all 26-pin
mini-DIN connectors)
Figure 1-4 shows all the E1 CIM configurations.
V.35 V.35 INPUT
RELAY
NO COM NC
DATA 2 DATA 1
DS-1
PORT 2 PORT 1
ALARM EXT TIMING
CIM
2
901
0
3
1
1
-10
13
87
-0
0
1
RS449 RS449 INPUT
RELAY
NO COM NC
DATA 2 DATA 1
PORT 2 PORT 1
ALARM
CIM
29
01
1
3
1
1-
10
13
87-
0
0
2
EXT TIMING
T1 Port 1 T1 Port 2 Data Port 1 Data Port 2 Alarm
Relay
Ext.
Timing
Input
DS-1