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PLC硬件和软件的进展，从系统上讲是实现小型化、高速化，以及将信息技术渗入PLC；从硬件上讲是，采用32位RISC的MPU、**的LSI和多；从软件上讲则是，采用与国际标准IEC 61131-3相对应的工业标准JIS B 3503。
小型化由于电子工业尤以器件、电路板等硬件见长，所以在PLC系统上实现小型化，可以说早就是起源于，又由他们来推动，并一直乐此不疲、贯彻至今的。小型化的好处是：节省空间、安装灵活、降低成本。
Juniper P-1OC12-ATM2-SMIR Module GF
Juniper EX4200-24T -Juniper EX4200-24T Layer 3
Includes 2 Year Replacement Warranty
NEW JUNIPER EX3200-48T Juniper EX3200-48T Layer 3 Switc
Juniper CHAS-BP-M40E-S
Expedited shipping available
Juniper ISG-2000 Advanced Model NS-ISG-2000 6.1.0r2.0
90 Day Warranty - Free Shipping!
Juniper Netscreen NS-ISG-1XG 10G for ISG-1000 ISG-2000
90 Day warranty - Free Shipping!
Juniper M40eBASE-DC or AC M40e Base Router
Juniper PB-1OC48-SON-SFP Juniper T320, T640 STM16 OC48
PB-1OC48-SON-SFP Juniper T320, T640 STM16 OC48
Juniper M7i Router M7iBASE-AC-2FETX w/ RE-400
JUNIPER EX4200-24T 24-port 10/100/1000BaseT(8poe)
Juniper PB-2GE-SFP-QPP Gigabit Ethernet PIC 1000Base-X
Expedited shipping available
Juniper M320 M320BASE-DC Router RE-1600-2048
Juniper M40eBASE DC or AC M40e
Juniper PB-2GE-SFP-QPP Gigabit Ethernet PIC 1000Base-X
Juniper PB-MS-100-1 PB MS 100
Juniper PB-4OC3-SON-SMIR T320/M160/M40e/M320
Juniper T320 T320-FPC3
Expedited shipping available
Juniper PE-1CHSTM1-SMIR M10/M5 Warranty
New Juniper SSG-350M-SH
Juniper FFANTRAY-M320-S
Juniper M320 M320BASE--EC AC Router RE-1600-2048
JUNIPER SCB-MX960-S switch control board MX240 MX480 MX
Juniper NS-5400-DC NS 5400 1X MGT2 1X 8G2 All SFPs GF
JUNIPER NS-IDP-600C INTRUSION DETECTION APPLIANCE
One-day shipping available
39"(h)California juniper bonsai tree, pot 16" trunk
Agilestar - XFP-10G-Z-OC192-LR2 - Juniper - New in Box
JUNIPER IB-OC192-SON-SR2 SONET/SDH STM-64/OC-192 M160
Juniper PB-4OC3-SON-SMIR T320/M160/M40e/M320 Warranty