亚洲少妇高清免费视频,av在线狠狠干,一区二区三区免费看,自偷欧日韩,制服丝袜在线一区,久久精品一区入口,在线毛片超碰,九久久视频精品,日韩精品爱爱

Products > 光端機 > PCM綜合業(yè)務接入復用設備30路電話接口+2E1傳輸

PCM integrated service access multiplexing equipment 30 channel telephone interface + 2E1 transmission

Optical fiber interface connector: FC
Light wavelength: 1310 / 1550nm
Operating temperature: - 35 ℃ + 70 ℃
Rated working voltage: DC: - 48V AC: 220V
Strong compatibility and unique technology
The user interface can be plugged into the channel board, V35 board, RS232 board, two / four wire audio board
Two / four wire EM board, Ethernet board, hotline board, RS485 board, baseband board, etc.
稻城县| 东乡县| 彭阳县| 波密县| 罗城| 道孚县| 新源县| 乳山市| 准格尔旗| 乳山市| 江城| 全椒县| 禹州市| 万源市| 兰州市| 德州市| 恩平市| 成都市| 玉溪市| 册亨县| 双流县| 合山市| 始兴县| 万州区| 开封县| 五大连池市| 连南| 左权县| 托里县| 麻栗坡县| 天水市| 甘肃省| 垦利县| 井陉县| 凤冈县| 通化县| 志丹县| 吉林市| 会东县| 神池县| 平阴县|