Juniper E Series Hardware Manual page 74

E-series Hardware Guide
Figure 28: E-series ports and connectors (ERX-14xx model shown)
I/O module
(slot 12)
I/O module
Port 0
I/O module
(slot 13)
Port 1
faceplate
56 !
Cabling Overview
External timing ports (Europe)
External timing ports (North America)
OC3-4
OC3
I/O
I/O
SINGLE
MODE
OC3-4
CT3
(slot 9)
RX
TX
OC3
RX
TX
Blank
Ejector
Alarm leads
OC3-4
CT3 CT3
I/O
I/O I/O
SINGLE
MODE
MINOR
MAJOR
CRITICAL
E1 75 OHM
CLOCK IN
T1 100 OHM
CLOCK IN
10/100
BASE T
RS-232
THIS PRODUCT IS EQUIPPED WITH
TWO POWER FEEDS. DISCONNECT
BOTH FEEDS PRIOR TO SERVICE.
POWER A
-48VDC RTN
-48VDC RTN
WARNING!
!
NO OPERATOR ACCESSIBLE
COMPONENTS. AUTHORIZED
SERVICE PERSONNEL ONLY.
SRP I/O module
(slot positions 6 and 7)
FE-8 I/O module
(slot 5)
FE-8
I/O
+
-
+
-
+
-
Port 0
Port 1
Port 2
T
A G
Port 3
R
T
B G
R
10/100 BASE T port
RS-232 terminal port
Power input module
POWER A POWER B
Power A and Power B
| |
ON ON
on/off switches
O O
OFF OFF
POWER B
-48VDC RTN
Power A and Power B
input connectors
-48VDC RTN
Ground terminals