B2161-E1TX E1到以太網(wǎng)電接口的轉(zhuǎn)換功能,75歐姆非平衡接口,120歐姆平衡接口。支持成幀非成幀模式，支持遠(yuǎn)端網(wǎng)管,支持掉電告警，220V
B2161-E1FX-SM-SC-20-3 E1到以太網(wǎng)光接口的轉(zhuǎn)換功能,75歐姆非平衡接口,120歐姆平衡接口。支持遠(yuǎn)端網(wǎng)管,支持三級(jí)網(wǎng)管，支持掉電告警，雙纖,單模,SC接口,20km,
B2161-E1FX-SSM-SC-20-53 E1到以太網(wǎng)光接口的轉(zhuǎn)換功能,75歐姆非平衡接口,120歐姆平衡接口。支持遠(yuǎn)端網(wǎng)管,支持三級(jí)網(wǎng)管，支持掉電告警，雙纖,單模,SC接口,20km,
B2161-E1FX-SSM-SC-20-35 E1到以太網(wǎng)光接口的轉(zhuǎn)換功能,75歐姆非平衡接口,120歐姆平衡接口。支持遠(yuǎn)端網(wǎng)管,支持三級(jí)網(wǎng)管，支持掉電告警，雙纖,單模,SC接口,20km,
B2164-E1TX 4路E1到1路以太網(wǎng)電接口的轉(zhuǎn)換功能,75歐姆非平衡接口,120歐姆平衡接口。GFP封裝，220V
B2164-E1FX-SM-SC-20-3 4路E1到1路以太網(wǎng)電接口的轉(zhuǎn)換功能,75歐姆非平衡接口,120歐姆平衡接口。支持遠(yuǎn)端網(wǎng)管,支持三級(jí)網(wǎng)管，支持掉電告警，GFP封裝，雙纖,單模,SC接口,20km,
B2164-E1FX-SSM-SC-20-53 4路E1到1路以太網(wǎng)光接口的轉(zhuǎn)換功能,75歐姆非平衡接口,120歐姆平衡接口。支持遠(yuǎn)端網(wǎng)管,支持三級(jí)網(wǎng)管，支持掉電告警，GFP封裝，單纖,單模,SC接口,20km,
B2164-E1FX-SSM-SC-20-35 4路E1到1路以太網(wǎng)光接口的轉(zhuǎn)換功能,75歐姆非平衡接口,120歐姆平衡接口。支持遠(yuǎn)端網(wǎng)管,支持三級(jí)網(wǎng)管，支持掉電告警，GFP封裝，單纖,單模,SC接口,20km,
B2168-E1TX 8路E1到1路以太網(wǎng)電接口的轉(zhuǎn)換功能,75歐姆非平衡接口,120歐姆平衡接口。GFP封裝，220V
B2168-E1FX-SM-SC-20-3 8路E1到1路以太網(wǎng)電接口的轉(zhuǎn)換功能,75歐姆非平衡接口,120歐姆平衡接口。支持遠(yuǎn)端網(wǎng)管,支持三級(jí)網(wǎng)管，支持掉電告警，GFP封裝，雙纖,單模,SC接口,20km,
B2168-E1FX-SSM-SC-20-53 8路E1到1路以太網(wǎng)光接口的轉(zhuǎn)換功能,75歐姆非平衡接口,120歐姆平衡接口。支持遠(yuǎn)端網(wǎng)管,支持三級(jí)網(wǎng)管，支持掉電告警，GFP封裝，單纖,單模,SC接口,20km,
B2168-E1FX-SSM-SC-20-35 8路E1到1路以太網(wǎng)光接口的轉(zhuǎn)換功能,75歐姆非平衡接口,120歐姆平衡接口。支持遠(yuǎn)端網(wǎng)管,支持三級(jí)網(wǎng)管，支持掉電告警，GFP封裝，單纖,單模,SC接口,20km,
B2144-E1TX 4路E1到1路以太網(wǎng)電接口的轉(zhuǎn)換功能,75歐姆非平衡接口,120歐姆平衡接口。支持遠(yuǎn)端網(wǎng)管,支持掉電告警，220V