
CHAPTER 1: BX7000 Multi-Access Gateway Overview
8
Hardware Components
Copyright © 2010, Juniper Networks, Inc.
Ethernet Ports
Five Ethernet ports are located in the lower right of the gateway (see Figure 6 on page 9). The
Ethernet ports can be used as either data ports or management ports.
z
Three (10/100/1000Base-TX) copper Ethernet ports labeled
ETHERNET 0
,
ETHERNET 1
, and
ETHERNET 2
.
z
Two (1000 Base-X-SFP) fiber-optic Gigabit Ethernet ports with small form-factor pluggable
transceivers (SFPs) labeled
ETHERNET 1
and
ETHERNET 2
.
Table 3: T1/E1 Ports
Description
z
16 RJ-45 ports which can be configured either as T1 or E1
Hardware features
z
16 T1/E1 ports supporting ATM, IMA, High-Level Data
Link Control (HDLC)
z
LEDs for status indication; for more information, see
z
T1 framing: super frame (SF) and extended super frame
(ESF)
z
E1 framing: G.703
z
G.704—Channel Associated Signaling Multiframe
Format
z
G.704-no-crc—Basic E1 framer format without CRC
z
Per-port loop timing
Software features
z
Integrated support for G.703 unframed mode and G.704
Channel Associated Signaling Multiframe Format; and
G.704-no-crc
z
Encapsulations:
−
High-Level Data Link Control (HDLC)
−
Asynchronous Transfer Mode (ATM)
−
Inverse Multiplexing over ATM (ATM-IMA)
−
Point-to-Point Protocol (PPP)
−
Transparent (Trans)
Cables and connectors
16 RJ-45 connectors (one per port)—RJ-45 to RJ-45
interface cable, Category 3
LEDs
Two rectangular single color LEDs for each T1/E1 port
Link LED
z
Green is lit in the following conditions:
−
Admin-state is up and there is traffic through the port
−
Admin-state is up and link is up
z
Green is off in one of the following conditions:
−
Error in traffic
−
Link is down
−
Admin-state down
Error LED
z
Yellow is lit in the following error conditions:
−
Admin-state is up and error in traffic
−
Admin-state is up and link is down
z
Yellow is off during admin-state down
Alarms, errors, and events
z
Alarm Indication Signal (AIS, YLW)
z
Excessive zeros (EXZ)
z
Loss of frame (LOF), Loss of signal (LOS)
z
Controlled Slip (CS)
Содержание BX7000
Страница 10: ... x Copyright 2010 Juniper Networks Inc ...
Страница 12: ... xii Copyright 2010 Juniper Networks Inc ...
Страница 18: ...About This Guide xviii Requesting Support Copyright 2010 Juniper Networks Inc ...
Страница 20: ... 2 Copyright 2010 Juniper Networks Inc ...
Страница 36: ...CHAPTER 1 BX7000 Multi Access Gateway Overview 18 Advanced Clocking Module Copyright 2010 Juniper Networks Inc ...
Страница 60: ...CHAPTER 6 Grounding and Powering the Gateway 42 Powering Off the Gateway Copyright 2010 Juniper Networks Inc ...
Страница 64: ...CHAPTER 7 Accessing and Configuring the Gateway 46 Initial Setup Copyright 2010 Juniper Networks Inc ...
Страница 66: ... 48 Copyright 2010 Juniper Networks Inc ...
Страница 76: ...CHAPTER 9 Troubleshooting 58 Troubleshooting the Advanced Clocking Module Copyright 2010 Juniper Networks Inc ...
Страница 90: ... 72 Copyright 2010 Juniper Networks Inc ...
Страница 122: ... 104 Hardware Compliance Copyright 2010 Juniper Networks Inc ...
Страница 131: ...Copyright 2010 Juniper Networks Inc 113 Appendix E Declaration of Conformity ...
Страница 132: ... 114 Copyright 2010 Juniper Networks Inc ...
Страница 133: ...Copyright 2011 Juniper Networks Inc 115 PART 4 Index z Index on page 117 ...
Страница 134: ... 116 Copyright 2010 Juniper Networks Inc ...